xref: /sqlite-3.40.0/src/test1.c (revision 42829635)
1 /*
2 ** 2001 September 15
3 **
4 ** The author disclaims copyright to this source code.  In place of
5 ** a legal notice, here is a blessing:
6 **
7 **    May you do good and not evil.
8 **    May you find forgiveness for yourself and forgive others.
9 **    May you share freely, never taking more than you give.
10 **
11 *************************************************************************
12 ** Code for testing all sorts of SQLite interfaces.  This code
13 ** is not included in the SQLite library.  It is used for automated
14 ** testing of the SQLite library.
15 */
16 #include "sqliteInt.h"
17 #include "vdbeInt.h"
18 #include "tcl.h"
19 #include <stdlib.h>
20 #include <string.h>
21 
22 /*
23 ** This is a copy of the first part of the SqliteDb structure in
24 ** tclsqlite.c.  We need it here so that the get_sqlite_pointer routine
25 ** can extract the sqlite3* pointer from an existing Tcl SQLite
26 ** connection.
27 */
28 struct SqliteDb {
29   sqlite3 *db;
30 };
31 
32 /*
33 ** Convert text generated by the "%p" conversion format back into
34 ** a pointer.
35 */
36 static int testHexToInt(int h){
37   if( h>='0' && h<='9' ){
38     return h - '0';
39   }else if( h>='a' && h<='f' ){
40     return h - 'a' + 10;
41   }else{
42     assert( h>='A' && h<='F' );
43     return h - 'A' + 10;
44   }
45 }
46 void *sqlite3TestTextToPtr(const char *z){
47   void *p;
48   u64 v;
49   u32 v2;
50   if( z[0]=='0' && z[1]=='x' ){
51     z += 2;
52   }
53   v = 0;
54   while( *z ){
55     v = (v<<4) + testHexToInt(*z);
56     z++;
57   }
58   if( sizeof(p)==sizeof(v) ){
59     memcpy(&p, &v, sizeof(p));
60   }else{
61     assert( sizeof(p)==sizeof(v2) );
62     v2 = (u32)v;
63     memcpy(&p, &v2, sizeof(p));
64   }
65   return p;
66 }
67 
68 
69 /*
70 ** A TCL command that returns the address of the sqlite* pointer
71 ** for an sqlite connection instance.  Bad things happen if the
72 ** input is not an sqlite connection.
73 */
74 static int get_sqlite_pointer(
75   void * clientData,
76   Tcl_Interp *interp,
77   int objc,
78   Tcl_Obj *CONST objv[]
79 ){
80   struct SqliteDb *p;
81   Tcl_CmdInfo cmdInfo;
82   char zBuf[100];
83   if( objc!=2 ){
84     Tcl_WrongNumArgs(interp, 1, objv, "SQLITE-CONNECTION");
85     return TCL_ERROR;
86   }
87   if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
88     Tcl_AppendResult(interp, "command not found: ",
89            Tcl_GetString(objv[1]), (char*)0);
90     return TCL_ERROR;
91   }
92   p = (struct SqliteDb*)cmdInfo.objClientData;
93   sprintf(zBuf, "%p", p->db);
94   if( strncmp(zBuf,"0x",2) ){
95     sprintf(zBuf, "0x%p", p->db);
96   }
97   Tcl_AppendResult(interp, zBuf, 0);
98   return TCL_OK;
99 }
100 
101 /*
102 ** Decode a pointer to an sqlite3 object.
103 */
104 int getDbPointer(Tcl_Interp *interp, const char *zA, sqlite3 **ppDb){
105   struct SqliteDb *p;
106   Tcl_CmdInfo cmdInfo;
107   if( Tcl_GetCommandInfo(interp, zA, &cmdInfo) ){
108     p = (struct SqliteDb*)cmdInfo.objClientData;
109     *ppDb = p->db;
110   }else{
111     *ppDb = (sqlite3*)sqlite3TestTextToPtr(zA);
112   }
113   return TCL_OK;
114 }
115 
116 
117 const char *sqlite3TestErrorName(int rc){
118   const char *zName = 0;
119   switch( rc ){
120     case SQLITE_OK:                  zName = "SQLITE_OK";                break;
121     case SQLITE_ERROR:               zName = "SQLITE_ERROR";             break;
122     case SQLITE_INTERNAL:            zName = "SQLITE_INTERNAL";          break;
123     case SQLITE_PERM:                zName = "SQLITE_PERM";              break;
124     case SQLITE_ABORT:               zName = "SQLITE_ABORT";             break;
125     case SQLITE_BUSY:                zName = "SQLITE_BUSY";              break;
126     case SQLITE_LOCKED:              zName = "SQLITE_LOCKED";            break;
127     case SQLITE_LOCKED_SHAREDCACHE:  zName = "SQLITE_LOCKED_SHAREDCACHE";break;
128     case SQLITE_NOMEM:               zName = "SQLITE_NOMEM";             break;
129     case SQLITE_READONLY:            zName = "SQLITE_READONLY";          break;
130     case SQLITE_INTERRUPT:           zName = "SQLITE_INTERRUPT";         break;
131     case SQLITE_IOERR:               zName = "SQLITE_IOERR";             break;
132     case SQLITE_CORRUPT:             zName = "SQLITE_CORRUPT";           break;
133     case SQLITE_NOTFOUND:            zName = "SQLITE_NOTFOUND";          break;
134     case SQLITE_FULL:                zName = "SQLITE_FULL";              break;
135     case SQLITE_CANTOPEN:            zName = "SQLITE_CANTOPEN";          break;
136     case SQLITE_PROTOCOL:            zName = "SQLITE_PROTOCOL";          break;
137     case SQLITE_EMPTY:               zName = "SQLITE_EMPTY";             break;
138     case SQLITE_SCHEMA:              zName = "SQLITE_SCHEMA";            break;
139     case SQLITE_TOOBIG:              zName = "SQLITE_TOOBIG";            break;
140     case SQLITE_CONSTRAINT:          zName = "SQLITE_CONSTRAINT";        break;
141     case SQLITE_MISMATCH:            zName = "SQLITE_MISMATCH";          break;
142     case SQLITE_MISUSE:              zName = "SQLITE_MISUSE";            break;
143     case SQLITE_NOLFS:               zName = "SQLITE_NOLFS";             break;
144     case SQLITE_AUTH:                zName = "SQLITE_AUTH";              break;
145     case SQLITE_FORMAT:              zName = "SQLITE_FORMAT";            break;
146     case SQLITE_RANGE:               zName = "SQLITE_RANGE";             break;
147     case SQLITE_NOTADB:              zName = "SQLITE_NOTADB";            break;
148     case SQLITE_ROW:                 zName = "SQLITE_ROW";               break;
149     case SQLITE_DONE:                zName = "SQLITE_DONE";              break;
150     case SQLITE_IOERR_READ:          zName = "SQLITE_IOERR_READ";        break;
151     case SQLITE_IOERR_SHORT_READ:    zName = "SQLITE_IOERR_SHORT_READ";  break;
152     case SQLITE_IOERR_WRITE:         zName = "SQLITE_IOERR_WRITE";       break;
153     case SQLITE_IOERR_FSYNC:         zName = "SQLITE_IOERR_FSYNC";       break;
154     case SQLITE_IOERR_DIR_FSYNC:     zName = "SQLITE_IOERR_DIR_FSYNC";   break;
155     case SQLITE_IOERR_TRUNCATE:      zName = "SQLITE_IOERR_TRUNCATE";    break;
156     case SQLITE_IOERR_FSTAT:         zName = "SQLITE_IOERR_FSTAT";       break;
157     case SQLITE_IOERR_UNLOCK:        zName = "SQLITE_IOERR_UNLOCK";      break;
158     case SQLITE_IOERR_RDLOCK:        zName = "SQLITE_IOERR_RDLOCK";      break;
159     case SQLITE_IOERR_DELETE:        zName = "SQLITE_IOERR_DELETE";      break;
160     case SQLITE_IOERR_BLOCKED:       zName = "SQLITE_IOERR_BLOCKED";     break;
161     case SQLITE_IOERR_NOMEM:         zName = "SQLITE_IOERR_NOMEM";       break;
162     case SQLITE_IOERR_ACCESS:        zName = "SQLITE_IOERR_ACCESS";      break;
163     case SQLITE_IOERR_CHECKRESERVEDLOCK:
164                                zName = "SQLITE_IOERR_CHECKRESERVEDLOCK"; break;
165     case SQLITE_IOERR_LOCK:          zName = "SQLITE_IOERR_LOCK";        break;
166     case SQLITE_CORRUPT_VTAB:        zName = "SQLITE_CORRUPT_VTAB";      break;
167     case SQLITE_READONLY_RECOVERY:   zName = "SQLITE_READONLY_RECOVERY"; break;
168     case SQLITE_READONLY_CANTLOCK:   zName = "SQLITE_READONLY_CANTLOCK"; break;
169     default:                         zName = "SQLITE_Unknown";           break;
170   }
171   return zName;
172 }
173 #define t1ErrorName sqlite3TestErrorName
174 
175 /*
176 ** Convert an sqlite3_stmt* into an sqlite3*.  This depends on the
177 ** fact that the sqlite3* is the first field in the Vdbe structure.
178 */
179 #define StmtToDb(X)   sqlite3_db_handle(X)
180 
181 /*
182 ** Check a return value to make sure it agrees with the results
183 ** from sqlite3_errcode.
184 */
185 int sqlite3TestErrCode(Tcl_Interp *interp, sqlite3 *db, int rc){
186   if( sqlite3_threadsafe()==0 && rc!=SQLITE_MISUSE && rc!=SQLITE_OK
187    && sqlite3_errcode(db)!=rc ){
188     char zBuf[200];
189     int r2 = sqlite3_errcode(db);
190     sprintf(zBuf, "error code %s (%d) does not match sqlite3_errcode %s (%d)",
191        t1ErrorName(rc), rc, t1ErrorName(r2), r2);
192     Tcl_ResetResult(interp);
193     Tcl_AppendResult(interp, zBuf, 0);
194     return 1;
195   }
196   return 0;
197 }
198 
199 /*
200 ** Decode a pointer to an sqlite3_stmt object.
201 */
202 static int getStmtPointer(
203   Tcl_Interp *interp,
204   const char *zArg,
205   sqlite3_stmt **ppStmt
206 ){
207   *ppStmt = (sqlite3_stmt*)sqlite3TestTextToPtr(zArg);
208   return TCL_OK;
209 }
210 
211 /*
212 ** Generate a text representation of a pointer that can be understood
213 ** by the getDbPointer and getVmPointer routines above.
214 **
215 ** The problem is, on some machines (Solaris) if you do a printf with
216 ** "%p" you cannot turn around and do a scanf with the same "%p" and
217 ** get your pointer back.  You have to prepend a "0x" before it will
218 ** work.  Or at least that is what is reported to me (drh).  But this
219 ** behavior varies from machine to machine.  The solution used her is
220 ** to test the string right after it is generated to see if it can be
221 ** understood by scanf, and if not, try prepending an "0x" to see if
222 ** that helps.  If nothing works, a fatal error is generated.
223 */
224 int sqlite3TestMakePointerStr(Tcl_Interp *interp, char *zPtr, void *p){
225   sqlite3_snprintf(100, zPtr, "%p", p);
226   return TCL_OK;
227 }
228 
229 /*
230 ** The callback routine for sqlite3_exec_printf().
231 */
232 static int exec_printf_cb(void *pArg, int argc, char **argv, char **name){
233   Tcl_DString *str = (Tcl_DString*)pArg;
234   int i;
235 
236   if( Tcl_DStringLength(str)==0 ){
237     for(i=0; i<argc; i++){
238       Tcl_DStringAppendElement(str, name[i] ? name[i] : "NULL");
239     }
240   }
241   for(i=0; i<argc; i++){
242     Tcl_DStringAppendElement(str, argv[i] ? argv[i] : "NULL");
243   }
244   return 0;
245 }
246 
247 /*
248 ** The I/O tracing callback.
249 */
250 #if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
251 static FILE *iotrace_file = 0;
252 static void io_trace_callback(const char *zFormat, ...){
253   va_list ap;
254   va_start(ap, zFormat);
255   vfprintf(iotrace_file, zFormat, ap);
256   va_end(ap);
257   fflush(iotrace_file);
258 }
259 #endif
260 
261 /*
262 ** Usage:  io_trace FILENAME
263 **
264 ** Turn I/O tracing on or off.  If FILENAME is not an empty string,
265 ** I/O tracing begins going into FILENAME. If FILENAME is an empty
266 ** string, I/O tracing is turned off.
267 */
268 static int test_io_trace(
269   void *NotUsed,
270   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
271   int argc,              /* Number of arguments */
272   char **argv            /* Text of each argument */
273 ){
274 #if !defined(SQLITE_OMIT_TRACE) && defined(SQLITE_ENABLE_IOTRACE)
275   if( argc!=2 ){
276     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
277           " FILENAME\"", 0);
278     return TCL_ERROR;
279   }
280   if( iotrace_file ){
281     if( iotrace_file!=stdout && iotrace_file!=stderr ){
282       fclose(iotrace_file);
283     }
284     iotrace_file = 0;
285     sqlite3IoTrace = 0;
286   }
287   if( argv[1][0] ){
288     if( strcmp(argv[1],"stdout")==0 ){
289       iotrace_file = stdout;
290     }else if( strcmp(argv[1],"stderr")==0 ){
291       iotrace_file = stderr;
292     }else{
293       iotrace_file = fopen(argv[1], "w");
294     }
295     sqlite3IoTrace = io_trace_callback;
296   }
297 #endif
298   return TCL_OK;
299 }
300 
301 
302 /*
303 ** Usage:  sqlite3_exec_printf  DB  FORMAT  STRING
304 **
305 ** Invoke the sqlite3_exec_printf() interface using the open database
306 ** DB.  The SQL is the string FORMAT.  The format string should contain
307 ** one %s or %q.  STRING is the value inserted into %s or %q.
308 */
309 static int test_exec_printf(
310   void *NotUsed,
311   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
312   int argc,              /* Number of arguments */
313   char **argv            /* Text of each argument */
314 ){
315   sqlite3 *db;
316   Tcl_DString str;
317   int rc;
318   char *zErr = 0;
319   char *zSql;
320   char zBuf[30];
321   if( argc!=4 ){
322     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
323        " DB FORMAT STRING", 0);
324     return TCL_ERROR;
325   }
326   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
327   Tcl_DStringInit(&str);
328   zSql = sqlite3_mprintf(argv[2], argv[3]);
329   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
330   sqlite3_free(zSql);
331   sprintf(zBuf, "%d", rc);
332   Tcl_AppendElement(interp, zBuf);
333   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
334   Tcl_DStringFree(&str);
335   if( zErr ) sqlite3_free(zErr);
336   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
337   return TCL_OK;
338 }
339 
340 /*
341 ** Usage:  sqlite3_exec_hex  DB  HEX
342 **
343 ** Invoke the sqlite3_exec() on a string that is obtained by translating
344 ** HEX into ASCII.  Most characters are translated as is.  %HH becomes
345 ** a hex character.
346 */
347 static int test_exec_hex(
348   void *NotUsed,
349   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
350   int argc,              /* Number of arguments */
351   char **argv            /* Text of each argument */
352 ){
353   sqlite3 *db;
354   Tcl_DString str;
355   int rc, i, j;
356   char *zErr = 0;
357   char *zHex;
358   char zSql[500];
359   char zBuf[30];
360   if( argc!=3 ){
361     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
362        " DB HEX", 0);
363     return TCL_ERROR;
364   }
365   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
366   zHex = argv[2];
367   for(i=j=0; i<sizeof(zSql) && zHex[j]; i++, j++){
368     if( zHex[j]=='%' && zHex[j+2] && zHex[j+2] ){
369       zSql[i] = (testHexToInt(zHex[j+1])<<4) + testHexToInt(zHex[j+2]);
370       j += 2;
371     }else{
372       zSql[i] = zHex[j];
373     }
374   }
375   zSql[i] = 0;
376   Tcl_DStringInit(&str);
377   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
378   sprintf(zBuf, "%d", rc);
379   Tcl_AppendElement(interp, zBuf);
380   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
381   Tcl_DStringFree(&str);
382   if( zErr ) sqlite3_free(zErr);
383   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
384   return TCL_OK;
385 }
386 
387 /*
388 ** Usage:  db_enter DB
389 **         db_leave DB
390 **
391 ** Enter or leave the mutex on a database connection.
392 */
393 static int db_enter(
394   void *NotUsed,
395   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
396   int argc,              /* Number of arguments */
397   char **argv            /* Text of each argument */
398 ){
399   sqlite3 *db;
400   if( argc!=2 ){
401     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
402        " DB", 0);
403     return TCL_ERROR;
404   }
405   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
406   sqlite3_mutex_enter(db->mutex);
407   return TCL_OK;
408 }
409 static int db_leave(
410   void *NotUsed,
411   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
412   int argc,              /* Number of arguments */
413   char **argv            /* Text of each argument */
414 ){
415   sqlite3 *db;
416   if( argc!=2 ){
417     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
418        " DB", 0);
419     return TCL_ERROR;
420   }
421   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
422   sqlite3_mutex_leave(db->mutex);
423   return TCL_OK;
424 }
425 
426 /*
427 ** Usage:  sqlite3_exec  DB  SQL
428 **
429 ** Invoke the sqlite3_exec interface using the open database DB
430 */
431 static int test_exec(
432   void *NotUsed,
433   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
434   int argc,              /* Number of arguments */
435   char **argv            /* Text of each argument */
436 ){
437   sqlite3 *db;
438   Tcl_DString str;
439   int rc;
440   char *zErr = 0;
441   char *zSql;
442   int i, j;
443   char zBuf[30];
444   if( argc!=3 ){
445     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
446        " DB SQL", 0);
447     return TCL_ERROR;
448   }
449   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
450   Tcl_DStringInit(&str);
451   zSql = sqlite3_mprintf("%s", argv[2]);
452   for(i=j=0; zSql[i];){
453     if( zSql[i]=='%' ){
454       zSql[j++] = (testHexToInt(zSql[i+1])<<4) + testHexToInt(zSql[i+2]);
455       i += 3;
456     }else{
457       zSql[j++] = zSql[i++];
458     }
459   }
460   zSql[j] = 0;
461   rc = sqlite3_exec(db, zSql, exec_printf_cb, &str, &zErr);
462   sqlite3_free(zSql);
463   sprintf(zBuf, "%d", rc);
464   Tcl_AppendElement(interp, zBuf);
465   Tcl_AppendElement(interp, rc==SQLITE_OK ? Tcl_DStringValue(&str) : zErr);
466   Tcl_DStringFree(&str);
467   if( zErr ) sqlite3_free(zErr);
468   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
469   return TCL_OK;
470 }
471 
472 /*
473 ** Usage:  sqlite3_exec_nr  DB  SQL
474 **
475 ** Invoke the sqlite3_exec interface using the open database DB.  Discard
476 ** all results
477 */
478 static int test_exec_nr(
479   void *NotUsed,
480   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
481   int argc,              /* Number of arguments */
482   char **argv            /* Text of each argument */
483 ){
484   sqlite3 *db;
485   int rc;
486   char *zErr = 0;
487   if( argc!=3 ){
488     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
489        " DB SQL", 0);
490     return TCL_ERROR;
491   }
492   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
493   rc = sqlite3_exec(db, argv[2], 0, 0, &zErr);
494   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
495   return TCL_OK;
496 }
497 
498 /*
499 ** Usage:  sqlite3_mprintf_z_test  SEPARATOR  ARG0  ARG1 ...
500 **
501 ** Test the %z format of sqlite_mprintf().  Use multiple mprintf() calls to
502 ** concatenate arg0 through argn using separator as the separator.
503 ** Return the result.
504 */
505 static int test_mprintf_z(
506   void *NotUsed,
507   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
508   int argc,              /* Number of arguments */
509   char **argv            /* Text of each argument */
510 ){
511   char *zResult = 0;
512   int i;
513 
514   for(i=2; i<argc && (i==2 || zResult); i++){
515     zResult = sqlite3_mprintf("%z%s%s", zResult, argv[1], argv[i]);
516   }
517   Tcl_AppendResult(interp, zResult, 0);
518   sqlite3_free(zResult);
519   return TCL_OK;
520 }
521 
522 /*
523 ** Usage:  sqlite3_mprintf_n_test  STRING
524 **
525 ** Test the %n format of sqlite_mprintf().  Return the length of the
526 ** input string.
527 */
528 static int test_mprintf_n(
529   void *NotUsed,
530   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
531   int argc,              /* Number of arguments */
532   char **argv            /* Text of each argument */
533 ){
534   char *zStr;
535   int n = 0;
536   zStr = sqlite3_mprintf("%s%n", argv[1], &n);
537   sqlite3_free(zStr);
538   Tcl_SetObjResult(interp, Tcl_NewIntObj(n));
539   return TCL_OK;
540 }
541 
542 /*
543 ** Usage:  sqlite3_snprintf_int  SIZE FORMAT  INT
544 **
545 ** Test the of sqlite3_snprintf() routine.  SIZE is the size of the
546 ** output buffer in bytes.  The maximum size is 100.  FORMAT is the
547 ** format string.  INT is a single integer argument.  The FORMAT
548 ** string must require no more than this one integer argument.  If
549 ** You pass in a format string that requires more than one argument,
550 ** bad things will happen.
551 */
552 static int test_snprintf_int(
553   void *NotUsed,
554   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
555   int argc,              /* Number of arguments */
556   char **argv            /* Text of each argument */
557 ){
558   char zStr[100];
559   int n = atoi(argv[1]);
560   const char *zFormat = argv[2];
561   int a1 = atoi(argv[3]);
562   if( n>sizeof(zStr) ) n = sizeof(zStr);
563   sqlite3_snprintf(sizeof(zStr), zStr, "abcdefghijklmnopqrstuvwxyz");
564   sqlite3_snprintf(n, zStr, zFormat, a1);
565   Tcl_AppendResult(interp, zStr, 0);
566   return TCL_OK;
567 }
568 
569 #ifndef SQLITE_OMIT_GET_TABLE
570 
571 /*
572 ** Usage:  sqlite3_get_table_printf  DB  FORMAT  STRING  ?--no-counts?
573 **
574 ** Invoke the sqlite3_get_table_printf() interface using the open database
575 ** DB.  The SQL is the string FORMAT.  The format string should contain
576 ** one %s or %q.  STRING is the value inserted into %s or %q.
577 */
578 static int test_get_table_printf(
579   void *NotUsed,
580   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
581   int argc,              /* Number of arguments */
582   char **argv            /* Text of each argument */
583 ){
584   sqlite3 *db;
585   Tcl_DString str;
586   int rc;
587   char *zErr = 0;
588   int nRow, nCol;
589   char **aResult;
590   int i;
591   char zBuf[30];
592   char *zSql;
593   int resCount = -1;
594   if( argc==5 ){
595     if( Tcl_GetInt(interp, argv[4], &resCount) ) return TCL_ERROR;
596   }
597   if( argc!=4 && argc!=5 ){
598     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
599        " DB FORMAT STRING ?COUNT?", 0);
600     return TCL_ERROR;
601   }
602   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
603   Tcl_DStringInit(&str);
604   zSql = sqlite3_mprintf(argv[2],argv[3]);
605   if( argc==5 ){
606     rc = sqlite3_get_table(db, zSql, &aResult, 0, 0, &zErr);
607   }else{
608     rc = sqlite3_get_table(db, zSql, &aResult, &nRow, &nCol, &zErr);
609     resCount = (nRow+1)*nCol;
610   }
611   sqlite3_free(zSql);
612   sprintf(zBuf, "%d", rc);
613   Tcl_AppendElement(interp, zBuf);
614   if( rc==SQLITE_OK ){
615     if( argc==4 ){
616       sprintf(zBuf, "%d", nRow);
617       Tcl_AppendElement(interp, zBuf);
618       sprintf(zBuf, "%d", nCol);
619       Tcl_AppendElement(interp, zBuf);
620     }
621     for(i=0; i<resCount; i++){
622       Tcl_AppendElement(interp, aResult[i] ? aResult[i] : "NULL");
623     }
624   }else{
625     Tcl_AppendElement(interp, zErr);
626   }
627   sqlite3_free_table(aResult);
628   if( zErr ) sqlite3_free(zErr);
629   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
630   return TCL_OK;
631 }
632 
633 #endif /* SQLITE_OMIT_GET_TABLE */
634 
635 
636 /*
637 ** Usage:  sqlite3_last_insert_rowid DB
638 **
639 ** Returns the integer ROWID of the most recent insert.
640 */
641 static int test_last_rowid(
642   void *NotUsed,
643   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
644   int argc,              /* Number of arguments */
645   char **argv            /* Text of each argument */
646 ){
647   sqlite3 *db;
648   char zBuf[30];
649 
650   if( argc!=2 ){
651     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB\"", 0);
652     return TCL_ERROR;
653   }
654   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
655   sprintf(zBuf, "%lld", sqlite3_last_insert_rowid(db));
656   Tcl_AppendResult(interp, zBuf, 0);
657   return SQLITE_OK;
658 }
659 
660 /*
661 ** Usage:  sqlite3_key DB KEY
662 **
663 ** Set the codec key.
664 */
665 static int test_key(
666   void *NotUsed,
667   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
668   int argc,              /* Number of arguments */
669   char **argv            /* Text of each argument */
670 ){
671   sqlite3 *db;
672   const char *zKey;
673   int nKey;
674   if( argc!=3 ){
675     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
676        " FILENAME\"", 0);
677     return TCL_ERROR;
678   }
679   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
680   zKey = argv[2];
681   nKey = strlen(zKey);
682 #ifdef SQLITE_HAS_CODEC
683   sqlite3_key(db, zKey, nKey);
684 #endif
685   return TCL_OK;
686 }
687 
688 /*
689 ** Usage:  sqlite3_rekey DB KEY
690 **
691 ** Change the codec key.
692 */
693 static int test_rekey(
694   void *NotUsed,
695   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
696   int argc,              /* Number of arguments */
697   char **argv            /* Text of each argument */
698 ){
699   sqlite3 *db;
700   const char *zKey;
701   int nKey;
702   if( argc!=3 ){
703     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
704        " FILENAME\"", 0);
705     return TCL_ERROR;
706   }
707   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
708   zKey = argv[2];
709   nKey = strlen(zKey);
710 #ifdef SQLITE_HAS_CODEC
711   sqlite3_rekey(db, zKey, nKey);
712 #endif
713   return TCL_OK;
714 }
715 
716 /*
717 ** Usage:  sqlite3_close DB
718 **
719 ** Closes the database opened by sqlite3_open.
720 */
721 static int sqlite_test_close(
722   void *NotUsed,
723   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
724   int argc,              /* Number of arguments */
725   char **argv            /* Text of each argument */
726 ){
727   sqlite3 *db;
728   int rc;
729   if( argc!=2 ){
730     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
731        " FILENAME\"", 0);
732     return TCL_ERROR;
733   }
734   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
735   rc = sqlite3_close(db);
736   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
737   return TCL_OK;
738 }
739 
740 /*
741 ** Implementation of the x_coalesce() function.
742 ** Return the first argument non-NULL argument.
743 */
744 static void t1_ifnullFunc(
745   sqlite3_context *context,
746   int argc,
747   sqlite3_value **argv
748 ){
749   int i;
750   for(i=0; i<argc; i++){
751     if( SQLITE_NULL!=sqlite3_value_type(argv[i]) ){
752       int n = sqlite3_value_bytes(argv[i]);
753       sqlite3_result_text(context, (char*)sqlite3_value_text(argv[i]),
754           n, SQLITE_TRANSIENT);
755       break;
756     }
757   }
758 }
759 
760 /*
761 ** These are test functions.    hex8() interprets its argument as
762 ** UTF8 and returns a hex encoding.  hex16le() interprets its argument
763 ** as UTF16le and returns a hex encoding.
764 */
765 static void hex8Func(sqlite3_context *p, int argc, sqlite3_value **argv){
766   const unsigned char *z;
767   int i;
768   char zBuf[200];
769   z = sqlite3_value_text(argv[0]);
770   for(i=0; i<sizeof(zBuf)/2 - 2 && z[i]; i++){
771     sprintf(&zBuf[i*2], "%02x", z[i]&0xff);
772   }
773   zBuf[i*2] = 0;
774   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
775 }
776 #ifndef SQLITE_OMIT_UTF16
777 static void hex16Func(sqlite3_context *p, int argc, sqlite3_value **argv){
778   const unsigned short int *z;
779   int i;
780   char zBuf[400];
781   z = sqlite3_value_text16(argv[0]);
782   for(i=0; i<sizeof(zBuf)/4 - 4 && z[i]; i++){
783     sprintf(&zBuf[i*4], "%04x", z[i]&0xff);
784   }
785   zBuf[i*4] = 0;
786   sqlite3_result_text(p, (char*)zBuf, -1, SQLITE_TRANSIENT);
787 }
788 #endif
789 
790 /*
791 ** A structure into which to accumulate text.
792 */
793 struct dstr {
794   int nAlloc;  /* Space allocated */
795   int nUsed;   /* Space used */
796   char *z;     /* The space */
797 };
798 
799 /*
800 ** Append text to a dstr
801 */
802 static void dstrAppend(struct dstr *p, const char *z, int divider){
803   int n = strlen(z);
804   if( p->nUsed + n + 2 > p->nAlloc ){
805     char *zNew;
806     p->nAlloc = p->nAlloc*2 + n + 200;
807     zNew = sqlite3_realloc(p->z, p->nAlloc);
808     if( zNew==0 ){
809       sqlite3_free(p->z);
810       memset(p, 0, sizeof(*p));
811       return;
812     }
813     p->z = zNew;
814   }
815   if( divider && p->nUsed>0 ){
816     p->z[p->nUsed++] = divider;
817   }
818   memcpy(&p->z[p->nUsed], z, n+1);
819   p->nUsed += n;
820 }
821 
822 /*
823 ** Invoked for each callback from sqlite3ExecFunc
824 */
825 static int execFuncCallback(void *pData, int argc, char **argv, char **NotUsed){
826   struct dstr *p = (struct dstr*)pData;
827   int i;
828   for(i=0; i<argc; i++){
829     if( argv[i]==0 ){
830       dstrAppend(p, "NULL", ' ');
831     }else{
832       dstrAppend(p, argv[i], ' ');
833     }
834   }
835   return 0;
836 }
837 
838 /*
839 ** Implementation of the x_sqlite_exec() function.  This function takes
840 ** a single argument and attempts to execute that argument as SQL code.
841 ** This is illegal and should set the SQLITE_MISUSE flag on the database.
842 **
843 ** 2004-Jan-07:  We have changed this to make it legal to call sqlite3_exec()
844 ** from within a function call.
845 **
846 ** This routine simulates the effect of having two threads attempt to
847 ** use the same database at the same time.
848 */
849 static void sqlite3ExecFunc(
850   sqlite3_context *context,
851   int argc,
852   sqlite3_value **argv
853 ){
854   struct dstr x;
855   memset(&x, 0, sizeof(x));
856   (void)sqlite3_exec((sqlite3*)sqlite3_user_data(context),
857       (char*)sqlite3_value_text(argv[0]),
858       execFuncCallback, &x, 0);
859   sqlite3_result_text(context, x.z, x.nUsed, SQLITE_TRANSIENT);
860   sqlite3_free(x.z);
861 }
862 
863 /*
864 ** Implementation of tkt2213func(), a scalar function that takes exactly
865 ** one argument. It has two interesting features:
866 **
867 ** * It calls sqlite3_value_text() 3 times on the argument sqlite3_value*.
868 **   If the three pointers returned are not the same an SQL error is raised.
869 **
870 ** * Otherwise it returns a copy of the text representation of its
871 **   argument in such a way as the VDBE representation is a Mem* cell
872 **   with the MEM_Term flag clear.
873 **
874 ** Ticket #2213 can therefore be tested by evaluating the following
875 ** SQL expression:
876 **
877 **   tkt2213func(tkt2213func('a string'));
878 */
879 static void tkt2213Function(
880   sqlite3_context *context,
881   int argc,
882   sqlite3_value **argv
883 ){
884   int nText;
885   unsigned char const *zText1;
886   unsigned char const *zText2;
887   unsigned char const *zText3;
888 
889   nText = sqlite3_value_bytes(argv[0]);
890   zText1 = sqlite3_value_text(argv[0]);
891   zText2 = sqlite3_value_text(argv[0]);
892   zText3 = sqlite3_value_text(argv[0]);
893 
894   if( zText1!=zText2 || zText2!=zText3 ){
895     sqlite3_result_error(context, "tkt2213 is not fixed", -1);
896   }else{
897     char *zCopy = (char *)sqlite3_malloc(nText);
898     memcpy(zCopy, zText1, nText);
899     sqlite3_result_text(context, zCopy, nText, sqlite3_free);
900   }
901 }
902 
903 /*
904 ** The following SQL function takes 4 arguments.  The 2nd and
905 ** 4th argument must be one of these strings:  'text', 'text16',
906 ** or 'blob' corresponding to API functions
907 **
908 **      sqlite3_value_text()
909 **      sqlite3_value_text16()
910 **      sqlite3_value_blob()
911 **
912 ** The third argument is a string, either 'bytes' or 'bytes16' or 'noop',
913 ** corresponding to APIs:
914 **
915 **      sqlite3_value_bytes()
916 **      sqlite3_value_bytes16()
917 **      noop
918 **
919 ** The APIs designated by the 2nd through 4th arguments are applied
920 ** to the first argument in order.  If the pointers returned by the
921 ** second and fourth are different, this routine returns 1.  Otherwise,
922 ** this routine returns 0.
923 **
924 ** This function is used to test to see when returned pointers from
925 ** the _text(), _text16() and _blob() APIs become invalidated.
926 */
927 static void ptrChngFunction(
928   sqlite3_context *context,
929   int argc,
930   sqlite3_value **argv
931 ){
932   const void *p1, *p2;
933   const char *zCmd;
934   if( argc!=4 ) return;
935   zCmd = (const char*)sqlite3_value_text(argv[1]);
936   if( zCmd==0 ) return;
937   if( strcmp(zCmd,"text")==0 ){
938     p1 = (const void*)sqlite3_value_text(argv[0]);
939 #ifndef SQLITE_OMIT_UTF16
940   }else if( strcmp(zCmd, "text16")==0 ){
941     p1 = (const void*)sqlite3_value_text16(argv[0]);
942 #endif
943   }else if( strcmp(zCmd, "blob")==0 ){
944     p1 = (const void*)sqlite3_value_blob(argv[0]);
945   }else{
946     return;
947   }
948   zCmd = (const char*)sqlite3_value_text(argv[2]);
949   if( zCmd==0 ) return;
950   if( strcmp(zCmd,"bytes")==0 ){
951     sqlite3_value_bytes(argv[0]);
952 #ifndef SQLITE_OMIT_UTF16
953   }else if( strcmp(zCmd, "bytes16")==0 ){
954     sqlite3_value_bytes16(argv[0]);
955 #endif
956   }else if( strcmp(zCmd, "noop")==0 ){
957     /* do nothing */
958   }else{
959     return;
960   }
961   zCmd = (const char*)sqlite3_value_text(argv[3]);
962   if( zCmd==0 ) return;
963   if( strcmp(zCmd,"text")==0 ){
964     p2 = (const void*)sqlite3_value_text(argv[0]);
965 #ifndef SQLITE_OMIT_UTF16
966   }else if( strcmp(zCmd, "text16")==0 ){
967     p2 = (const void*)sqlite3_value_text16(argv[0]);
968 #endif
969   }else if( strcmp(zCmd, "blob")==0 ){
970     p2 = (const void*)sqlite3_value_blob(argv[0]);
971   }else{
972     return;
973   }
974   sqlite3_result_int(context, p1!=p2);
975 }
976 
977 
978 /*
979 ** Usage:  sqlite_test_create_function DB
980 **
981 ** Call the sqlite3_create_function API on the given database in order
982 ** to create a function named "x_coalesce".  This function does the same thing
983 ** as the "coalesce" function.  This function also registers an SQL function
984 ** named "x_sqlite_exec" that invokes sqlite3_exec().  Invoking sqlite3_exec()
985 ** in this way is illegal recursion and should raise an SQLITE_MISUSE error.
986 ** The effect is similar to trying to use the same database connection from
987 ** two threads at the same time.
988 **
989 ** The original motivation for this routine was to be able to call the
990 ** sqlite3_create_function function while a query is in progress in order
991 ** to test the SQLITE_MISUSE detection logic.
992 */
993 static int test_create_function(
994   void *NotUsed,
995   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
996   int argc,              /* Number of arguments */
997   char **argv            /* Text of each argument */
998 ){
999   int rc;
1000   sqlite3 *db;
1001 
1002   if( argc!=2 ){
1003     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1004        " DB\"", 0);
1005     return TCL_ERROR;
1006   }
1007   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1008   rc = sqlite3_create_function(db, "x_coalesce", -1, SQLITE_ANY, 0,
1009         t1_ifnullFunc, 0, 0);
1010   if( rc==SQLITE_OK ){
1011     rc = sqlite3_create_function(db, "hex8", 1, SQLITE_ANY, 0,
1012           hex8Func, 0, 0);
1013   }
1014 #ifndef SQLITE_OMIT_UTF16
1015   if( rc==SQLITE_OK ){
1016     rc = sqlite3_create_function(db, "hex16", 1, SQLITE_ANY, 0,
1017           hex16Func, 0, 0);
1018   }
1019 #endif
1020   if( rc==SQLITE_OK ){
1021     rc = sqlite3_create_function(db, "tkt2213func", 1, SQLITE_ANY, 0,
1022           tkt2213Function, 0, 0);
1023   }
1024   if( rc==SQLITE_OK ){
1025     rc = sqlite3_create_function(db, "pointer_change", 4, SQLITE_ANY, 0,
1026           ptrChngFunction, 0, 0);
1027   }
1028 
1029 #ifndef SQLITE_OMIT_UTF16
1030   /* Use the sqlite3_create_function16() API here. Mainly for fun, but also
1031   ** because it is not tested anywhere else. */
1032   if( rc==SQLITE_OK ){
1033     const void *zUtf16;
1034     sqlite3_value *pVal;
1035     sqlite3_mutex_enter(db->mutex);
1036     pVal = sqlite3ValueNew(db);
1037     sqlite3ValueSetStr(pVal, -1, "x_sqlite_exec", SQLITE_UTF8, SQLITE_STATIC);
1038     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
1039     if( db->mallocFailed ){
1040       rc = SQLITE_NOMEM;
1041     }else{
1042       rc = sqlite3_create_function16(db, zUtf16,
1043                 1, SQLITE_UTF16, db, sqlite3ExecFunc, 0, 0);
1044     }
1045     sqlite3ValueFree(pVal);
1046     sqlite3_mutex_leave(db->mutex);
1047   }
1048 #endif
1049 
1050   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1051   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1052   return TCL_OK;
1053 }
1054 
1055 /*
1056 ** Routines to implement the x_count() aggregate function.
1057 **
1058 ** x_count() counts the number of non-null arguments.  But there are
1059 ** some twists for testing purposes.
1060 **
1061 ** If the argument to x_count() is 40 then a UTF-8 error is reported
1062 ** on the step function.  If x_count(41) is seen, then a UTF-16 error
1063 ** is reported on the step function.  If the total count is 42, then
1064 ** a UTF-8 error is reported on the finalize function.
1065 */
1066 typedef struct t1CountCtx t1CountCtx;
1067 struct t1CountCtx {
1068   int n;
1069 };
1070 static void t1CountStep(
1071   sqlite3_context *context,
1072   int argc,
1073   sqlite3_value **argv
1074 ){
1075   t1CountCtx *p;
1076   p = sqlite3_aggregate_context(context, sizeof(*p));
1077   if( (argc==0 || SQLITE_NULL!=sqlite3_value_type(argv[0]) ) && p ){
1078     p->n++;
1079   }
1080   if( argc>0 ){
1081     int v = sqlite3_value_int(argv[0]);
1082     if( v==40 ){
1083       sqlite3_result_error(context, "value of 40 handed to x_count", -1);
1084 #ifndef SQLITE_OMIT_UTF16
1085     }else if( v==41 ){
1086       const char zUtf16ErrMsg[] = { 0, 0x61, 0, 0x62, 0, 0x63, 0, 0, 0};
1087       sqlite3_result_error16(context, &zUtf16ErrMsg[1-SQLITE_BIGENDIAN], -1);
1088 #endif
1089     }
1090   }
1091 }
1092 static void t1CountFinalize(sqlite3_context *context){
1093   t1CountCtx *p;
1094   p = sqlite3_aggregate_context(context, sizeof(*p));
1095   if( p ){
1096     if( p->n==42 ){
1097       sqlite3_result_error(context, "x_count totals to 42", -1);
1098     }else{
1099       sqlite3_result_int(context, p ? p->n : 0);
1100     }
1101   }
1102 }
1103 
1104 #ifndef SQLITE_OMIT_DEPRECATED
1105 static void legacyCountStep(
1106   sqlite3_context *context,
1107   int argc,
1108   sqlite3_value **argv
1109 ){
1110   /* no-op */
1111 }
1112 
1113 static void legacyCountFinalize(sqlite3_context *context){
1114   sqlite3_result_int(context, sqlite3_aggregate_count(context));
1115 }
1116 #endif
1117 
1118 /*
1119 ** Usage:  sqlite3_create_aggregate DB
1120 **
1121 ** Call the sqlite3_create_function API on the given database in order
1122 ** to create a function named "x_count".  This function is similar
1123 ** to the built-in count() function, with a few special quirks
1124 ** for testing the sqlite3_result_error() APIs.
1125 **
1126 ** The original motivation for this routine was to be able to call the
1127 ** sqlite3_create_aggregate function while a query is in progress in order
1128 ** to test the SQLITE_MISUSE detection logic.  See misuse.test.
1129 **
1130 ** This routine was later extended to test the use of sqlite3_result_error()
1131 ** within aggregate functions.
1132 **
1133 ** Later: It is now also extended to register the aggregate function
1134 ** "legacy_count()" with the supplied database handle. This is used
1135 ** to test the deprecated sqlite3_aggregate_count() API.
1136 */
1137 static int test_create_aggregate(
1138   void *NotUsed,
1139   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1140   int argc,              /* Number of arguments */
1141   char **argv            /* Text of each argument */
1142 ){
1143   sqlite3 *db;
1144   int rc;
1145   if( argc!=2 ){
1146     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1147        " FILENAME\"", 0);
1148     return TCL_ERROR;
1149   }
1150   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
1151   rc = sqlite3_create_function(db, "x_count", 0, SQLITE_UTF8, 0, 0,
1152       t1CountStep,t1CountFinalize);
1153   if( rc==SQLITE_OK ){
1154     rc = sqlite3_create_function(db, "x_count", 1, SQLITE_UTF8, 0, 0,
1155         t1CountStep,t1CountFinalize);
1156   }
1157 #ifndef SQLITE_OMIT_DEPRECATED
1158   if( rc==SQLITE_OK ){
1159     rc = sqlite3_create_function(db, "legacy_count", 0, SQLITE_ANY, 0, 0,
1160         legacyCountStep, legacyCountFinalize
1161     );
1162   }
1163 #endif
1164   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
1165   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
1166   return TCL_OK;
1167 }
1168 
1169 
1170 /*
1171 ** Usage:  printf TEXT
1172 **
1173 ** Send output to printf.  Use this rather than puts to merge the output
1174 ** in the correct sequence with debugging printfs inserted into C code.
1175 ** Puts uses a separate buffer and debugging statements will be out of
1176 ** sequence if it is used.
1177 */
1178 static int test_printf(
1179   void *NotUsed,
1180   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1181   int argc,              /* Number of arguments */
1182   char **argv            /* Text of each argument */
1183 ){
1184   if( argc!=2 ){
1185     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1186        " TEXT\"", 0);
1187     return TCL_ERROR;
1188   }
1189   printf("%s\n", argv[1]);
1190   return TCL_OK;
1191 }
1192 
1193 
1194 
1195 /*
1196 ** Usage:  sqlite3_mprintf_int FORMAT INTEGER INTEGER INTEGER
1197 **
1198 ** Call mprintf with three integer arguments
1199 */
1200 static int sqlite3_mprintf_int(
1201   void *NotUsed,
1202   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1203   int argc,              /* Number of arguments */
1204   char **argv            /* Text of each argument */
1205 ){
1206   int a[3], i;
1207   char *z;
1208   if( argc!=5 ){
1209     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1210        " FORMAT INT INT INT\"", 0);
1211     return TCL_ERROR;
1212   }
1213   for(i=2; i<5; i++){
1214     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1215   }
1216   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1217   Tcl_AppendResult(interp, z, 0);
1218   sqlite3_free(z);
1219   return TCL_OK;
1220 }
1221 
1222 /*
1223 ** Usage:  sqlite3_mprintf_int64 FORMAT INTEGER INTEGER INTEGER
1224 **
1225 ** Call mprintf with three 64-bit integer arguments
1226 */
1227 static int sqlite3_mprintf_int64(
1228   void *NotUsed,
1229   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1230   int argc,              /* Number of arguments */
1231   char **argv            /* Text of each argument */
1232 ){
1233   int i;
1234   sqlite_int64 a[3];
1235   char *z;
1236   if( argc!=5 ){
1237     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1238        " FORMAT INT INT INT\"", 0);
1239     return TCL_ERROR;
1240   }
1241   for(i=2; i<5; i++){
1242     if( sqlite3Atoi64(argv[i], &a[i-2], 1000000, SQLITE_UTF8) ){
1243       Tcl_AppendResult(interp, "argument is not a valid 64-bit integer", 0);
1244       return TCL_ERROR;
1245     }
1246   }
1247   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1248   Tcl_AppendResult(interp, z, 0);
1249   sqlite3_free(z);
1250   return TCL_OK;
1251 }
1252 
1253 /*
1254 ** Usage:  sqlite3_mprintf_long FORMAT INTEGER INTEGER INTEGER
1255 **
1256 ** Call mprintf with three long integer arguments.   This might be the
1257 ** same as sqlite3_mprintf_int or sqlite3_mprintf_int64, depending on
1258 ** platform.
1259 */
1260 static int sqlite3_mprintf_long(
1261   void *NotUsed,
1262   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1263   int argc,              /* Number of arguments */
1264   char **argv            /* Text of each argument */
1265 ){
1266   int i;
1267   long int a[3];
1268   int b[3];
1269   char *z;
1270   if( argc!=5 ){
1271     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1272        " FORMAT INT INT INT\"", 0);
1273     return TCL_ERROR;
1274   }
1275   for(i=2; i<5; i++){
1276     if( Tcl_GetInt(interp, argv[i], &b[i-2]) ) return TCL_ERROR;
1277     a[i-2] = (long int)b[i-2];
1278     a[i-2] &= (((u64)1)<<(sizeof(int)*8))-1;
1279   }
1280   z = sqlite3_mprintf(argv[1], a[0], a[1], a[2]);
1281   Tcl_AppendResult(interp, z, 0);
1282   sqlite3_free(z);
1283   return TCL_OK;
1284 }
1285 
1286 /*
1287 ** Usage:  sqlite3_mprintf_str FORMAT INTEGER INTEGER STRING
1288 **
1289 ** Call mprintf with two integer arguments and one string argument
1290 */
1291 static int sqlite3_mprintf_str(
1292   void *NotUsed,
1293   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1294   int argc,              /* Number of arguments */
1295   char **argv            /* Text of each argument */
1296 ){
1297   int a[3], i;
1298   char *z;
1299   if( argc<4 || argc>5 ){
1300     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1301        " FORMAT INT INT ?STRING?\"", 0);
1302     return TCL_ERROR;
1303   }
1304   for(i=2; i<4; i++){
1305     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1306   }
1307   z = sqlite3_mprintf(argv[1], a[0], a[1], argc>4 ? argv[4] : NULL);
1308   Tcl_AppendResult(interp, z, 0);
1309   sqlite3_free(z);
1310   return TCL_OK;
1311 }
1312 
1313 /*
1314 ** Usage:  sqlite3_snprintf_str INTEGER FORMAT INTEGER INTEGER STRING
1315 **
1316 ** Call mprintf with two integer arguments and one string argument
1317 */
1318 static int sqlite3_snprintf_str(
1319   void *NotUsed,
1320   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1321   int argc,              /* Number of arguments */
1322   char **argv            /* Text of each argument */
1323 ){
1324   int a[3], i;
1325   int n;
1326   char *z;
1327   if( argc<5 || argc>6 ){
1328     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1329        " INT FORMAT INT INT ?STRING?\"", 0);
1330     return TCL_ERROR;
1331   }
1332   if( Tcl_GetInt(interp, argv[1], &n) ) return TCL_ERROR;
1333   if( n<0 ){
1334     Tcl_AppendResult(interp, "N must be non-negative", 0);
1335     return TCL_ERROR;
1336   }
1337   for(i=3; i<5; i++){
1338     if( Tcl_GetInt(interp, argv[i], &a[i-3]) ) return TCL_ERROR;
1339   }
1340   z = sqlite3_malloc( n+1 );
1341   sqlite3_snprintf(n, z, argv[2], a[0], a[1], argc>4 ? argv[5] : NULL);
1342   Tcl_AppendResult(interp, z, 0);
1343   sqlite3_free(z);
1344   return TCL_OK;
1345 }
1346 
1347 /*
1348 ** Usage:  sqlite3_mprintf_double FORMAT INTEGER INTEGER DOUBLE
1349 **
1350 ** Call mprintf with two integer arguments and one double argument
1351 */
1352 static int sqlite3_mprintf_double(
1353   void *NotUsed,
1354   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1355   int argc,              /* Number of arguments */
1356   char **argv            /* Text of each argument */
1357 ){
1358   int a[3], i;
1359   double r;
1360   char *z;
1361   if( argc!=5 ){
1362     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1363        " FORMAT INT INT DOUBLE\"", 0);
1364     return TCL_ERROR;
1365   }
1366   for(i=2; i<4; i++){
1367     if( Tcl_GetInt(interp, argv[i], &a[i-2]) ) return TCL_ERROR;
1368   }
1369   if( Tcl_GetDouble(interp, argv[4], &r) ) return TCL_ERROR;
1370   z = sqlite3_mprintf(argv[1], a[0], a[1], r);
1371   Tcl_AppendResult(interp, z, 0);
1372   sqlite3_free(z);
1373   return TCL_OK;
1374 }
1375 
1376 /*
1377 ** Usage:  sqlite3_mprintf_scaled FORMAT DOUBLE DOUBLE
1378 **
1379 ** Call mprintf with a single double argument which is the product of the
1380 ** two arguments given above.  This is used to generate overflow and underflow
1381 ** doubles to test that they are converted properly.
1382 */
1383 static int sqlite3_mprintf_scaled(
1384   void *NotUsed,
1385   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1386   int argc,              /* Number of arguments */
1387   char **argv            /* Text of each argument */
1388 ){
1389   int i;
1390   double r[2];
1391   char *z;
1392   if( argc!=4 ){
1393     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1394        " FORMAT DOUBLE DOUBLE\"", 0);
1395     return TCL_ERROR;
1396   }
1397   for(i=2; i<4; i++){
1398     if( Tcl_GetDouble(interp, argv[i], &r[i-2]) ) return TCL_ERROR;
1399   }
1400   z = sqlite3_mprintf(argv[1], r[0]*r[1]);
1401   Tcl_AppendResult(interp, z, 0);
1402   sqlite3_free(z);
1403   return TCL_OK;
1404 }
1405 
1406 /*
1407 ** Usage:  sqlite3_mprintf_stronly FORMAT STRING
1408 **
1409 ** Call mprintf with a single double argument which is the product of the
1410 ** two arguments given above.  This is used to generate overflow and underflow
1411 ** doubles to test that they are converted properly.
1412 */
1413 static int sqlite3_mprintf_stronly(
1414   void *NotUsed,
1415   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1416   int argc,              /* Number of arguments */
1417   char **argv            /* Text of each argument */
1418 ){
1419   char *z;
1420   if( argc!=3 ){
1421     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1422        " FORMAT STRING\"", 0);
1423     return TCL_ERROR;
1424   }
1425   z = sqlite3_mprintf(argv[1], argv[2]);
1426   Tcl_AppendResult(interp, z, 0);
1427   sqlite3_free(z);
1428   return TCL_OK;
1429 }
1430 
1431 /*
1432 ** Usage:  sqlite3_mprintf_hexdouble FORMAT HEX
1433 **
1434 ** Call mprintf with a single double argument which is derived from the
1435 ** hexadecimal encoding of an IEEE double.
1436 */
1437 static int sqlite3_mprintf_hexdouble(
1438   void *NotUsed,
1439   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1440   int argc,              /* Number of arguments */
1441   char **argv            /* Text of each argument */
1442 ){
1443   char *z;
1444   double r;
1445   unsigned int x1, x2;
1446   sqlite_uint64 d;
1447   if( argc!=3 ){
1448     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
1449        " FORMAT STRING\"", 0);
1450     return TCL_ERROR;
1451   }
1452   if( sscanf(argv[2], "%08x%08x", &x2, &x1)!=2 ){
1453     Tcl_AppendResult(interp, "2nd argument should be 16-characters of hex", 0);
1454     return TCL_ERROR;
1455   }
1456   d = x2;
1457   d = (d<<32) + x1;
1458   memcpy(&r, &d, sizeof(r));
1459   z = sqlite3_mprintf(argv[1], r);
1460   Tcl_AppendResult(interp, z, 0);
1461   sqlite3_free(z);
1462   return TCL_OK;
1463 }
1464 
1465 /*
1466 ** Usage: sqlite3_enable_shared_cache ?BOOLEAN?
1467 **
1468 */
1469 #if !defined(SQLITE_OMIT_SHARED_CACHE)
1470 static int test_enable_shared(
1471   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1472   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1473   int objc,              /* Number of arguments */
1474   Tcl_Obj *CONST objv[]  /* Command arguments */
1475 ){
1476   int rc;
1477   int enable;
1478   int ret = 0;
1479 
1480   if( objc!=2 && objc!=1 ){
1481     Tcl_WrongNumArgs(interp, 1, objv, "?BOOLEAN?");
1482     return TCL_ERROR;
1483   }
1484   ret = sqlite3GlobalConfig.sharedCacheEnabled;
1485 
1486   if( objc==2 ){
1487     if( Tcl_GetBooleanFromObj(interp, objv[1], &enable) ){
1488       return TCL_ERROR;
1489     }
1490     rc = sqlite3_enable_shared_cache(enable);
1491     if( rc!=SQLITE_OK ){
1492       Tcl_SetResult(interp, (char *)sqlite3ErrStr(rc), TCL_STATIC);
1493       return TCL_ERROR;
1494     }
1495   }
1496   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(ret));
1497   return TCL_OK;
1498 }
1499 #endif
1500 
1501 
1502 
1503 /*
1504 ** Usage: sqlite3_extended_result_codes   DB    BOOLEAN
1505 **
1506 */
1507 static int test_extended_result_codes(
1508   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1509   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1510   int objc,              /* Number of arguments */
1511   Tcl_Obj *CONST objv[]  /* Command arguments */
1512 ){
1513   int enable;
1514   sqlite3 *db;
1515 
1516   if( objc!=3 ){
1517     Tcl_WrongNumArgs(interp, 1, objv, "DB BOOLEAN");
1518     return TCL_ERROR;
1519   }
1520   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1521   if( Tcl_GetBooleanFromObj(interp, objv[2], &enable) ) return TCL_ERROR;
1522   sqlite3_extended_result_codes(db, enable);
1523   return TCL_OK;
1524 }
1525 
1526 /*
1527 ** Usage: sqlite3_libversion_number
1528 **
1529 */
1530 static int test_libversion_number(
1531   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1532   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1533   int objc,              /* Number of arguments */
1534   Tcl_Obj *CONST objv[]  /* Command arguments */
1535 ){
1536   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_libversion_number()));
1537   return TCL_OK;
1538 }
1539 
1540 /*
1541 ** Usage: sqlite3_table_column_metadata DB dbname tblname colname
1542 **
1543 */
1544 #ifdef SQLITE_ENABLE_COLUMN_METADATA
1545 static int test_table_column_metadata(
1546   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
1547   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1548   int objc,              /* Number of arguments */
1549   Tcl_Obj *CONST objv[]  /* Command arguments */
1550 ){
1551   sqlite3 *db;
1552   const char *zDb;
1553   const char *zTbl;
1554   const char *zCol;
1555   int rc;
1556   Tcl_Obj *pRet;
1557 
1558   const char *zDatatype;
1559   const char *zCollseq;
1560   int notnull;
1561   int primarykey;
1562   int autoincrement;
1563 
1564   if( objc!=5 ){
1565     Tcl_WrongNumArgs(interp, 1, objv, "DB dbname tblname colname");
1566     return TCL_ERROR;
1567   }
1568   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1569   zDb = Tcl_GetString(objv[2]);
1570   zTbl = Tcl_GetString(objv[3]);
1571   zCol = Tcl_GetString(objv[4]);
1572 
1573   if( strlen(zDb)==0 ) zDb = 0;
1574 
1575   rc = sqlite3_table_column_metadata(db, zDb, zTbl, zCol,
1576       &zDatatype, &zCollseq, &notnull, &primarykey, &autoincrement);
1577 
1578   if( rc!=SQLITE_OK ){
1579     Tcl_AppendResult(interp, sqlite3_errmsg(db), 0);
1580     return TCL_ERROR;
1581   }
1582 
1583   pRet = Tcl_NewObj();
1584   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zDatatype, -1));
1585   Tcl_ListObjAppendElement(0, pRet, Tcl_NewStringObj(zCollseq, -1));
1586   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(notnull));
1587   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(primarykey));
1588   Tcl_ListObjAppendElement(0, pRet, Tcl_NewIntObj(autoincrement));
1589   Tcl_SetObjResult(interp, pRet);
1590 
1591   return TCL_OK;
1592 }
1593 #endif
1594 
1595 #ifndef SQLITE_OMIT_INCRBLOB
1596 
1597 static int blobHandleFromObj(
1598   Tcl_Interp *interp,
1599   Tcl_Obj *pObj,
1600   sqlite3_blob **ppBlob
1601 ){
1602   char *z;
1603   int n;
1604 
1605   z = Tcl_GetStringFromObj(pObj, &n);
1606   if( n==0 ){
1607     *ppBlob = 0;
1608   }else{
1609     int notUsed;
1610     Tcl_Channel channel;
1611     ClientData instanceData;
1612 
1613     channel = Tcl_GetChannel(interp, z, &notUsed);
1614     if( !channel ) return TCL_ERROR;
1615 
1616     Tcl_Flush(channel);
1617     Tcl_Seek(channel, 0, SEEK_SET);
1618 
1619     instanceData = Tcl_GetChannelInstanceData(channel);
1620     *ppBlob = *((sqlite3_blob **)instanceData);
1621   }
1622 
1623   return TCL_OK;
1624 }
1625 
1626 /*
1627 ** sqlite3_blob_bytes  CHANNEL
1628 */
1629 static int test_blob_bytes(
1630   ClientData clientData, /* Not used */
1631   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1632   int objc,              /* Number of arguments */
1633   Tcl_Obj *CONST objv[]  /* Command arguments */
1634 ){
1635   sqlite3_blob *pBlob;
1636   int nByte;
1637 
1638   if( objc!=2 ){
1639     Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL");
1640     return TCL_ERROR;
1641   }
1642 
1643   if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
1644   nByte = sqlite3_blob_bytes(pBlob);
1645   Tcl_SetObjResult(interp, Tcl_NewIntObj(nByte));
1646 
1647   return TCL_OK;
1648 }
1649 
1650 /*
1651 ** sqlite3_blob_close  CHANNEL
1652 */
1653 static int test_blob_close(
1654   ClientData clientData, /* Not used */
1655   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1656   int objc,              /* Number of arguments */
1657   Tcl_Obj *CONST objv[]  /* Command arguments */
1658 ){
1659   sqlite3_blob *pBlob;
1660 
1661   if( objc!=2 ){
1662     Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL");
1663     return TCL_ERROR;
1664   }
1665 
1666   if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
1667   sqlite3_blob_close(pBlob);
1668 
1669   return TCL_OK;
1670 }
1671 
1672 /*
1673 ** sqlite3_blob_read  CHANNEL OFFSET N
1674 **
1675 **   This command is used to test the sqlite3_blob_read() in ways that
1676 **   the Tcl channel interface does not. The first argument should
1677 **   be the name of a valid channel created by the [incrblob] method
1678 **   of a database handle. This function calls sqlite3_blob_read()
1679 **   to read N bytes from offset OFFSET from the underlying SQLite
1680 **   blob handle.
1681 **
1682 **   On success, a byte-array object containing the read data is
1683 **   returned. On failure, the interpreter result is set to the
1684 **   text representation of the returned error code (i.e. "SQLITE_NOMEM")
1685 **   and a Tcl exception is thrown.
1686 */
1687 static int test_blob_read(
1688   ClientData clientData, /* Not used */
1689   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1690   int objc,              /* Number of arguments */
1691   Tcl_Obj *CONST objv[]  /* Command arguments */
1692 ){
1693   sqlite3_blob *pBlob;
1694   int nByte;
1695   int iOffset;
1696   unsigned char *zBuf = 0;
1697   int rc;
1698 
1699   if( objc!=4 ){
1700     Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL OFFSET N");
1701     return TCL_ERROR;
1702   }
1703 
1704   if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
1705   if( TCL_OK!=Tcl_GetIntFromObj(interp, objv[2], &iOffset)
1706    || TCL_OK!=Tcl_GetIntFromObj(interp, objv[3], &nByte)
1707   ){
1708     return TCL_ERROR;
1709   }
1710 
1711   if( nByte>0 ){
1712     zBuf = (unsigned char *)Tcl_Alloc(nByte);
1713   }
1714   rc = sqlite3_blob_read(pBlob, zBuf, nByte, iOffset);
1715   if( rc==SQLITE_OK ){
1716     Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zBuf, nByte));
1717   }else{
1718     Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
1719   }
1720   Tcl_Free((char *)zBuf);
1721 
1722   return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
1723 }
1724 
1725 /*
1726 ** sqlite3_blob_write CHANNEL OFFSET DATA ?NDATA?
1727 **
1728 **   This command is used to test the sqlite3_blob_write() in ways that
1729 **   the Tcl channel interface does not. The first argument should
1730 **   be the name of a valid channel created by the [incrblob] method
1731 **   of a database handle. This function calls sqlite3_blob_write()
1732 **   to write the DATA byte-array to the underlying SQLite blob handle.
1733 **   at offset OFFSET.
1734 **
1735 **   On success, an empty string is returned. On failure, the interpreter
1736 **   result is set to the text representation of the returned error code
1737 **   (i.e. "SQLITE_NOMEM") and a Tcl exception is thrown.
1738 */
1739 static int test_blob_write(
1740   ClientData clientData, /* Not used */
1741   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1742   int objc,              /* Number of arguments */
1743   Tcl_Obj *CONST objv[]  /* Command arguments */
1744 ){
1745   sqlite3_blob *pBlob;
1746   int iOffset;
1747   int rc;
1748 
1749   unsigned char *zBuf;
1750   int nBuf;
1751 
1752   if( objc!=4 && objc!=5 ){
1753     Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL OFFSET DATA ?NDATA?");
1754     return TCL_ERROR;
1755   }
1756 
1757   if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
1758   if( TCL_OK!=Tcl_GetIntFromObj(interp, objv[2], &iOffset) ){
1759     return TCL_ERROR;
1760   }
1761 
1762   zBuf = Tcl_GetByteArrayFromObj(objv[3], &nBuf);
1763   if( objc==5 && Tcl_GetIntFromObj(interp, objv[4], &nBuf) ){
1764     return TCL_ERROR;
1765   }
1766   rc = sqlite3_blob_write(pBlob, zBuf, nBuf, iOffset);
1767   if( rc!=SQLITE_OK ){
1768     Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
1769   }
1770 
1771   return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
1772 }
1773 
1774 static int test_blob_reopen(
1775   ClientData clientData, /* Not used */
1776   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1777   int objc,              /* Number of arguments */
1778   Tcl_Obj *CONST objv[]  /* Command arguments */
1779 ){
1780   Tcl_WideInt iRowid;
1781   sqlite3_blob *pBlob;
1782   int rc;
1783 
1784   if( objc!=3 ){
1785     Tcl_WrongNumArgs(interp, 1, objv, "CHANNEL ROWID");
1786     return TCL_ERROR;
1787   }
1788 
1789   if( blobHandleFromObj(interp, objv[1], &pBlob) ) return TCL_ERROR;
1790   if( Tcl_GetWideIntFromObj(interp, objv[2], &iRowid) ) return TCL_ERROR;
1791 
1792   rc = sqlite3_blob_reopen(pBlob, iRowid);
1793   if( rc!=SQLITE_OK ){
1794     Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_VOLATILE);
1795   }
1796 
1797   return (rc==SQLITE_OK ? TCL_OK : TCL_ERROR);
1798 }
1799 
1800 #endif
1801 
1802 /*
1803 ** Usage: sqlite3_create_collation_v2 DB-HANDLE NAME CMP-PROC DEL-PROC
1804 **
1805 **   This Tcl proc is used for testing the experimental
1806 **   sqlite3_create_collation_v2() interface.
1807 */
1808 struct TestCollationX {
1809   Tcl_Interp *interp;
1810   Tcl_Obj *pCmp;
1811   Tcl_Obj *pDel;
1812 };
1813 typedef struct TestCollationX TestCollationX;
1814 static void testCreateCollationDel(void *pCtx){
1815   TestCollationX *p = (TestCollationX *)pCtx;
1816 
1817   int rc = Tcl_EvalObjEx(p->interp, p->pDel, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL);
1818   if( rc!=TCL_OK ){
1819     Tcl_BackgroundError(p->interp);
1820   }
1821 
1822   Tcl_DecrRefCount(p->pCmp);
1823   Tcl_DecrRefCount(p->pDel);
1824   sqlite3_free((void *)p);
1825 }
1826 static int testCreateCollationCmp(
1827   void *pCtx,
1828   int nLeft,
1829   const void *zLeft,
1830   int nRight,
1831   const void *zRight
1832 ){
1833   TestCollationX *p = (TestCollationX *)pCtx;
1834   Tcl_Obj *pScript = Tcl_DuplicateObj(p->pCmp);
1835   int iRes = 0;
1836 
1837   Tcl_IncrRefCount(pScript);
1838   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zLeft, nLeft));
1839   Tcl_ListObjAppendElement(0, pScript, Tcl_NewStringObj((char *)zRight,nRight));
1840 
1841   if( TCL_OK!=Tcl_EvalObjEx(p->interp, pScript, TCL_EVAL_DIRECT|TCL_EVAL_GLOBAL)
1842    || TCL_OK!=Tcl_GetIntFromObj(p->interp, Tcl_GetObjResult(p->interp), &iRes)
1843   ){
1844     Tcl_BackgroundError(p->interp);
1845   }
1846   Tcl_DecrRefCount(pScript);
1847 
1848   return iRes;
1849 }
1850 static int test_create_collation_v2(
1851   ClientData clientData, /* Not used */
1852   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
1853   int objc,              /* Number of arguments */
1854   Tcl_Obj *CONST objv[]  /* Command arguments */
1855 ){
1856   TestCollationX *p;
1857   sqlite3 *db;
1858   int rc;
1859 
1860   if( objc!=5 ){
1861     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE NAME CMP-PROC DEL-PROC");
1862     return TCL_ERROR;
1863   }
1864   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1865 
1866   p = (TestCollationX *)sqlite3_malloc(sizeof(TestCollationX));
1867   p->pCmp = objv[3];
1868   p->pDel = objv[4];
1869   p->interp = interp;
1870   Tcl_IncrRefCount(p->pCmp);
1871   Tcl_IncrRefCount(p->pDel);
1872 
1873   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), 16,
1874       (void *)p, testCreateCollationCmp, testCreateCollationDel
1875   );
1876   if( rc!=SQLITE_MISUSE ){
1877     Tcl_AppendResult(interp, "sqlite3_create_collate_v2() failed to detect "
1878       "an invalid encoding", (char*)0);
1879     return TCL_ERROR;
1880   }
1881   rc = sqlite3_create_collation_v2(db, Tcl_GetString(objv[2]), SQLITE_UTF8,
1882       (void *)p, testCreateCollationCmp, testCreateCollationDel
1883   );
1884   return TCL_OK;
1885 }
1886 
1887 /*
1888 ** USAGE: sqlite3_create_function_v2 DB NAME NARG ENC ?SWITCHES?
1889 **
1890 ** Available switches are:
1891 **
1892 **   -func    SCRIPT
1893 **   -step    SCRIPT
1894 **   -final   SCRIPT
1895 **   -destroy SCRIPT
1896 */
1897 typedef struct CreateFunctionV2 CreateFunctionV2;
1898 struct CreateFunctionV2 {
1899   Tcl_Interp *interp;
1900   Tcl_Obj *pFunc;                 /* Script for function invocation */
1901   Tcl_Obj *pStep;                 /* Script for agg. step invocation */
1902   Tcl_Obj *pFinal;                /* Script for agg. finalization invocation */
1903   Tcl_Obj *pDestroy;              /* Destructor script */
1904 };
1905 static void cf2Func(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
1906 }
1907 static void cf2Step(sqlite3_context *ctx, int nArg, sqlite3_value **aArg){
1908 }
1909 static void cf2Final(sqlite3_context *ctx){
1910 }
1911 static void cf2Destroy(void *pUser){
1912   CreateFunctionV2 *p = (CreateFunctionV2 *)pUser;
1913 
1914   if( p->interp && p->pDestroy ){
1915     int rc = Tcl_EvalObjEx(p->interp, p->pDestroy, 0);
1916     if( rc!=TCL_OK ) Tcl_BackgroundError(p->interp);
1917   }
1918 
1919   if( p->pFunc ) Tcl_DecrRefCount(p->pFunc);
1920   if( p->pStep ) Tcl_DecrRefCount(p->pStep);
1921   if( p->pFinal ) Tcl_DecrRefCount(p->pFinal);
1922   if( p->pDestroy ) Tcl_DecrRefCount(p->pDestroy);
1923   sqlite3_free(p);
1924 }
1925 static int test_create_function_v2(
1926   ClientData clientData,          /* Not used */
1927   Tcl_Interp *interp,             /* The invoking TCL interpreter */
1928   int objc,                       /* Number of arguments */
1929   Tcl_Obj *CONST objv[]           /* Command arguments */
1930 ){
1931   sqlite3 *db;
1932   const char *zFunc;
1933   int nArg;
1934   int enc;
1935   CreateFunctionV2 *p;
1936   int i;
1937   int rc;
1938 
1939   struct EncTable {
1940     const char *zEnc;
1941     int enc;
1942   } aEnc[] = {
1943     {"utf8",    SQLITE_UTF8 },
1944     {"utf16",   SQLITE_UTF16 },
1945     {"utf16le", SQLITE_UTF16LE },
1946     {"utf16be", SQLITE_UTF16BE },
1947     {"any",     SQLITE_ANY },
1948     {"0", 0 }
1949   };
1950 
1951   if( objc<5 || (objc%2)==0 ){
1952     Tcl_WrongNumArgs(interp, 1, objv, "DB NAME NARG ENC SWITCHES...");
1953     return TCL_ERROR;
1954   }
1955 
1956   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
1957   zFunc = Tcl_GetString(objv[2]);
1958   if( Tcl_GetIntFromObj(interp, objv[3], &nArg) ) return TCL_ERROR;
1959   if( Tcl_GetIndexFromObjStruct(interp, objv[4], aEnc, sizeof(aEnc[0]),
1960           "encoding", 0, &enc)
1961   ){
1962     return TCL_ERROR;
1963   }
1964   enc = aEnc[enc].enc;
1965 
1966   p = sqlite3_malloc(sizeof(CreateFunctionV2));
1967   assert( p );
1968   memset(p, 0, sizeof(CreateFunctionV2));
1969   p->interp = interp;
1970 
1971   for(i=5; i<objc; i+=2){
1972     int iSwitch;
1973     const char *azSwitch[] = {"-func", "-step", "-final", "-destroy", 0};
1974     if( Tcl_GetIndexFromObj(interp, objv[i], azSwitch, "switch", 0, &iSwitch) ){
1975       sqlite3_free(p);
1976       return TCL_ERROR;
1977     }
1978 
1979     switch( iSwitch ){
1980       case 0: p->pFunc = objv[i+1];      break;
1981       case 1: p->pStep = objv[i+1];      break;
1982       case 2: p->pFinal = objv[i+1];     break;
1983       case 3: p->pDestroy = objv[i+1];   break;
1984     }
1985   }
1986   if( p->pFunc ) p->pFunc = Tcl_DuplicateObj(p->pFunc);
1987   if( p->pStep ) p->pStep = Tcl_DuplicateObj(p->pStep);
1988   if( p->pFinal ) p->pFinal = Tcl_DuplicateObj(p->pFinal);
1989   if( p->pDestroy ) p->pDestroy = Tcl_DuplicateObj(p->pDestroy);
1990 
1991   if( p->pFunc ) Tcl_IncrRefCount(p->pFunc);
1992   if( p->pStep ) Tcl_IncrRefCount(p->pStep);
1993   if( p->pFinal ) Tcl_IncrRefCount(p->pFinal);
1994   if( p->pDestroy ) Tcl_IncrRefCount(p->pDestroy);
1995 
1996   rc = sqlite3_create_function_v2(db, zFunc, nArg, enc, (void *)p,
1997       (p->pFunc ? cf2Func : 0),
1998       (p->pStep ? cf2Step : 0),
1999       (p->pFinal ? cf2Final : 0),
2000       cf2Destroy
2001   );
2002   if( rc!=SQLITE_OK ){
2003     Tcl_ResetResult(interp);
2004     Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
2005     return TCL_ERROR;
2006   }
2007   return TCL_OK;
2008 }
2009 
2010 /*
2011 ** Usage: sqlite3_load_extension DB-HANDLE FILE ?PROC?
2012 */
2013 static int test_load_extension(
2014   ClientData clientData, /* Not used */
2015   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2016   int objc,              /* Number of arguments */
2017   Tcl_Obj *CONST objv[]  /* Command arguments */
2018 ){
2019   Tcl_CmdInfo cmdInfo;
2020   sqlite3 *db;
2021   int rc;
2022   char *zDb;
2023   char *zFile;
2024   char *zProc = 0;
2025   char *zErr = 0;
2026 
2027   if( objc!=4 && objc!=3 ){
2028     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE FILE ?PROC?");
2029     return TCL_ERROR;
2030   }
2031   zDb = Tcl_GetString(objv[1]);
2032   zFile = Tcl_GetString(objv[2]);
2033   if( objc==4 ){
2034     zProc = Tcl_GetString(objv[3]);
2035   }
2036 
2037   /* Extract the C database handle from the Tcl command name */
2038   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
2039     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
2040     return TCL_ERROR;
2041   }
2042   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
2043   assert(db);
2044 
2045   /* Call the underlying C function. If an error occurs, set rc to
2046   ** TCL_ERROR and load any error string into the interpreter. If no
2047   ** error occurs, set rc to TCL_OK.
2048   */
2049 #ifdef SQLITE_OMIT_LOAD_EXTENSION
2050   rc = SQLITE_ERROR;
2051   zErr = sqlite3_mprintf("this build omits sqlite3_load_extension()");
2052 #else
2053   rc = sqlite3_load_extension(db, zFile, zProc, &zErr);
2054 #endif
2055   if( rc!=SQLITE_OK ){
2056     Tcl_SetResult(interp, zErr ? zErr : "", TCL_VOLATILE);
2057     rc = TCL_ERROR;
2058   }else{
2059     rc = TCL_OK;
2060   }
2061   sqlite3_free(zErr);
2062 
2063   return rc;
2064 }
2065 
2066 /*
2067 ** Usage: sqlite3_enable_load_extension DB-HANDLE ONOFF
2068 */
2069 static int test_enable_load(
2070   ClientData clientData, /* Not used */
2071   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2072   int objc,              /* Number of arguments */
2073   Tcl_Obj *CONST objv[]  /* Command arguments */
2074 ){
2075   Tcl_CmdInfo cmdInfo;
2076   sqlite3 *db;
2077   char *zDb;
2078   int onoff;
2079 
2080   if( objc!=3 ){
2081     Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE ONOFF");
2082     return TCL_ERROR;
2083   }
2084   zDb = Tcl_GetString(objv[1]);
2085 
2086   /* Extract the C database handle from the Tcl command name */
2087   if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
2088     Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
2089     return TCL_ERROR;
2090   }
2091   db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
2092   assert(db);
2093 
2094   /* Get the onoff parameter */
2095   if( Tcl_GetBooleanFromObj(interp, objv[2], &onoff) ){
2096     return TCL_ERROR;
2097   }
2098 
2099 #ifdef SQLITE_OMIT_LOAD_EXTENSION
2100   Tcl_AppendResult(interp, "this build omits sqlite3_load_extension()");
2101   return TCL_ERROR;
2102 #else
2103   sqlite3_enable_load_extension(db, onoff);
2104   return TCL_OK;
2105 #endif
2106 }
2107 
2108 /*
2109 ** Usage:  sqlite_abort
2110 **
2111 ** Shutdown the process immediately.  This is not a clean shutdown.
2112 ** This command is used to test the recoverability of a database in
2113 ** the event of a program crash.
2114 */
2115 static int sqlite_abort(
2116   void *NotUsed,
2117   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2118   int argc,              /* Number of arguments */
2119   char **argv            /* Text of each argument */
2120 ){
2121 #if defined(_MSC_VER)
2122   /* We do this, otherwise the test will halt with a popup message
2123    * that we have to click away before the test will continue.
2124    */
2125   _set_abort_behavior( 0, _CALL_REPORTFAULT );
2126 #endif
2127   exit(255);
2128   assert( interp==0 );   /* This will always fail */
2129   return TCL_OK;
2130 }
2131 
2132 /*
2133 ** The following routine is a user-defined SQL function whose purpose
2134 ** is to test the sqlite_set_result() API.
2135 */
2136 static void testFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
2137   while( argc>=2 ){
2138     const char *zArg0 = (char*)sqlite3_value_text(argv[0]);
2139     if( zArg0 ){
2140       if( 0==sqlite3StrICmp(zArg0, "int") ){
2141         sqlite3_result_int(context, sqlite3_value_int(argv[1]));
2142       }else if( sqlite3StrICmp(zArg0,"int64")==0 ){
2143         sqlite3_result_int64(context, sqlite3_value_int64(argv[1]));
2144       }else if( sqlite3StrICmp(zArg0,"string")==0 ){
2145         sqlite3_result_text(context, (char*)sqlite3_value_text(argv[1]), -1,
2146             SQLITE_TRANSIENT);
2147       }else if( sqlite3StrICmp(zArg0,"double")==0 ){
2148         sqlite3_result_double(context, sqlite3_value_double(argv[1]));
2149       }else if( sqlite3StrICmp(zArg0,"null")==0 ){
2150         sqlite3_result_null(context);
2151       }else if( sqlite3StrICmp(zArg0,"value")==0 ){
2152         sqlite3_result_value(context, argv[sqlite3_value_int(argv[1])]);
2153       }else{
2154         goto error_out;
2155       }
2156     }else{
2157       goto error_out;
2158     }
2159     argc -= 2;
2160     argv += 2;
2161   }
2162   return;
2163 
2164 error_out:
2165   sqlite3_result_error(context,"first argument should be one of: "
2166       "int int64 string double null value", -1);
2167 }
2168 
2169 /*
2170 ** Usage:   sqlite_register_test_function  DB  NAME
2171 **
2172 ** Register the test SQL function on the database DB under the name NAME.
2173 */
2174 static int test_register_func(
2175   void *NotUsed,
2176   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2177   int argc,              /* Number of arguments */
2178   char **argv            /* Text of each argument */
2179 ){
2180   sqlite3 *db;
2181   int rc;
2182   if( argc!=3 ){
2183     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
2184        " DB FUNCTION-NAME", 0);
2185     return TCL_ERROR;
2186   }
2187   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
2188   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0,
2189       testFunc, 0, 0);
2190   if( rc!=0 ){
2191     Tcl_AppendResult(interp, sqlite3ErrStr(rc), 0);
2192     return TCL_ERROR;
2193   }
2194   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2195   return TCL_OK;
2196 }
2197 
2198 /*
2199 ** Usage:  sqlite3_finalize  STMT
2200 **
2201 ** Finalize a statement handle.
2202 */
2203 static int test_finalize(
2204   void * clientData,
2205   Tcl_Interp *interp,
2206   int objc,
2207   Tcl_Obj *CONST objv[]
2208 ){
2209   sqlite3_stmt *pStmt;
2210   int rc;
2211   sqlite3 *db = 0;
2212 
2213   if( objc!=2 ){
2214     Tcl_AppendResult(interp, "wrong # args: should be \"",
2215         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2216     return TCL_ERROR;
2217   }
2218 
2219   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2220 
2221   if( pStmt ){
2222     db = StmtToDb(pStmt);
2223   }
2224   rc = sqlite3_finalize(pStmt);
2225   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
2226   if( db && sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2227   return TCL_OK;
2228 }
2229 
2230 /*
2231 ** Usage:  sqlite3_stmt_status  STMT  CODE  RESETFLAG
2232 **
2233 ** Get the value of a status counter from a statement.
2234 */
2235 static int test_stmt_status(
2236   void * clientData,
2237   Tcl_Interp *interp,
2238   int objc,
2239   Tcl_Obj *CONST objv[]
2240 ){
2241   int iValue;
2242   int i, op, resetFlag;
2243   const char *zOpName;
2244   sqlite3_stmt *pStmt;
2245 
2246   static const struct {
2247     const char *zName;
2248     int op;
2249   } aOp[] = {
2250     { "SQLITE_STMTSTATUS_FULLSCAN_STEP",   SQLITE_STMTSTATUS_FULLSCAN_STEP   },
2251     { "SQLITE_STMTSTATUS_SORT",            SQLITE_STMTSTATUS_SORT            },
2252     { "SQLITE_STMTSTATUS_AUTOINDEX",       SQLITE_STMTSTATUS_AUTOINDEX       },
2253   };
2254   if( objc!=4 ){
2255     Tcl_WrongNumArgs(interp, 1, objv, "STMT PARAMETER RESETFLAG");
2256     return TCL_ERROR;
2257   }
2258   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2259   zOpName = Tcl_GetString(objv[2]);
2260   for(i=0; i<ArraySize(aOp); i++){
2261     if( strcmp(aOp[i].zName, zOpName)==0 ){
2262       op = aOp[i].op;
2263       break;
2264     }
2265   }
2266   if( i>=ArraySize(aOp) ){
2267     if( Tcl_GetIntFromObj(interp, objv[2], &op) ) return TCL_ERROR;
2268   }
2269   if( Tcl_GetBooleanFromObj(interp, objv[3], &resetFlag) ) return TCL_ERROR;
2270   iValue = sqlite3_stmt_status(pStmt, op, resetFlag);
2271   Tcl_SetObjResult(interp, Tcl_NewIntObj(iValue));
2272   return TCL_OK;
2273 }
2274 
2275 /*
2276 ** Usage:  sqlite3_next_stmt  DB  STMT
2277 **
2278 ** Return the next statment in sequence after STMT.
2279 */
2280 static int test_next_stmt(
2281   void * clientData,
2282   Tcl_Interp *interp,
2283   int objc,
2284   Tcl_Obj *CONST objv[]
2285 ){
2286   sqlite3_stmt *pStmt;
2287   sqlite3 *db = 0;
2288   char zBuf[50];
2289 
2290   if( objc!=3 ){
2291     Tcl_AppendResult(interp, "wrong # args: should be \"",
2292         Tcl_GetStringFromObj(objv[0], 0), " DB STMT", 0);
2293     return TCL_ERROR;
2294   }
2295 
2296   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2297   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt) ) return TCL_ERROR;
2298   pStmt = sqlite3_next_stmt(db, pStmt);
2299   if( pStmt ){
2300     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
2301     Tcl_AppendResult(interp, zBuf, 0);
2302   }
2303   return TCL_OK;
2304 }
2305 
2306 /*
2307 ** Usage:  sqlite3_stmt_readonly  STMT
2308 **
2309 ** Return true if STMT is a NULL pointer or a pointer to a statement
2310 ** that is guaranteed to leave the database unmodified.
2311 */
2312 static int test_stmt_readonly(
2313   void * clientData,
2314   Tcl_Interp *interp,
2315   int objc,
2316   Tcl_Obj *CONST objv[]
2317 ){
2318   sqlite3_stmt *pStmt;
2319   int rc;
2320 
2321   if( objc!=2 ){
2322     Tcl_AppendResult(interp, "wrong # args: should be \"",
2323         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2324     return TCL_ERROR;
2325   }
2326 
2327   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2328   rc = sqlite3_stmt_readonly(pStmt);
2329   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(rc));
2330   return TCL_OK;
2331 }
2332 
2333 /*
2334 ** Usage:  sqlite3_stmt_busy  STMT
2335 **
2336 ** Return true if STMT is a non-NULL pointer to a statement
2337 ** that has been stepped but not to completion.
2338 */
2339 static int test_stmt_busy(
2340   void * clientData,
2341   Tcl_Interp *interp,
2342   int objc,
2343   Tcl_Obj *CONST objv[]
2344 ){
2345   sqlite3_stmt *pStmt;
2346   int rc;
2347 
2348   if( objc!=2 ){
2349     Tcl_AppendResult(interp, "wrong # args: should be \"",
2350         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2351     return TCL_ERROR;
2352   }
2353 
2354   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2355   rc = sqlite3_stmt_busy(pStmt);
2356   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(rc));
2357   return TCL_OK;
2358 }
2359 
2360 /*
2361 ** Usage:  uses_stmt_journal  STMT
2362 **
2363 ** Return true if STMT uses a statement journal.
2364 */
2365 static int uses_stmt_journal(
2366   void * clientData,
2367   Tcl_Interp *interp,
2368   int objc,
2369   Tcl_Obj *CONST objv[]
2370 ){
2371   sqlite3_stmt *pStmt;
2372   int rc;
2373 
2374   if( objc!=2 ){
2375     Tcl_AppendResult(interp, "wrong # args: should be \"",
2376         Tcl_GetStringFromObj(objv[0], 0), " STMT", 0);
2377     return TCL_ERROR;
2378   }
2379 
2380   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2381   rc = sqlite3_stmt_readonly(pStmt);
2382   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(((Vdbe *)pStmt)->usesStmtJournal));
2383   return TCL_OK;
2384 }
2385 
2386 
2387 /*
2388 ** Usage:  sqlite3_reset  STMT
2389 **
2390 ** Reset a statement handle.
2391 */
2392 static int test_reset(
2393   void * clientData,
2394   Tcl_Interp *interp,
2395   int objc,
2396   Tcl_Obj *CONST objv[]
2397 ){
2398   sqlite3_stmt *pStmt;
2399   int rc;
2400 
2401   if( objc!=2 ){
2402     Tcl_AppendResult(interp, "wrong # args: should be \"",
2403         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2404     return TCL_ERROR;
2405   }
2406 
2407   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2408 
2409   rc = sqlite3_reset(pStmt);
2410   if( pStmt && sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ){
2411     return TCL_ERROR;
2412   }
2413   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
2414 /*
2415   if( rc ){
2416     return TCL_ERROR;
2417   }
2418 */
2419   return TCL_OK;
2420 }
2421 
2422 /*
2423 ** Usage:  sqlite3_expired STMT
2424 **
2425 ** Return TRUE if a recompilation of the statement is recommended.
2426 */
2427 static int test_expired(
2428   void * clientData,
2429   Tcl_Interp *interp,
2430   int objc,
2431   Tcl_Obj *CONST objv[]
2432 ){
2433 #ifndef SQLITE_OMIT_DEPRECATED
2434   sqlite3_stmt *pStmt;
2435   if( objc!=2 ){
2436     Tcl_AppendResult(interp, "wrong # args: should be \"",
2437         Tcl_GetStringFromObj(objv[0], 0), " <STMT>", 0);
2438     return TCL_ERROR;
2439   }
2440   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
2441   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(sqlite3_expired(pStmt)));
2442 #endif
2443   return TCL_OK;
2444 }
2445 
2446 /*
2447 ** Usage:  sqlite3_transfer_bindings FROMSTMT TOSTMT
2448 **
2449 ** Transfer all bindings from FROMSTMT over to TOSTMT
2450 */
2451 static int test_transfer_bind(
2452   void * clientData,
2453   Tcl_Interp *interp,
2454   int objc,
2455   Tcl_Obj *CONST objv[]
2456 ){
2457 #ifndef SQLITE_OMIT_DEPRECATED
2458   sqlite3_stmt *pStmt1, *pStmt2;
2459   if( objc!=3 ){
2460     Tcl_AppendResult(interp, "wrong # args: should be \"",
2461         Tcl_GetStringFromObj(objv[0], 0), " FROM-STMT TO-STMT", 0);
2462     return TCL_ERROR;
2463   }
2464   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt1)) return TCL_ERROR;
2465   if( getStmtPointer(interp, Tcl_GetString(objv[2]), &pStmt2)) return TCL_ERROR;
2466   Tcl_SetObjResult(interp,
2467      Tcl_NewIntObj(sqlite3_transfer_bindings(pStmt1,pStmt2)));
2468 #endif
2469   return TCL_OK;
2470 }
2471 
2472 /*
2473 ** Usage:  sqlite3_changes DB
2474 **
2475 ** Return the number of changes made to the database by the last SQL
2476 ** execution.
2477 */
2478 static int test_changes(
2479   void * clientData,
2480   Tcl_Interp *interp,
2481   int objc,
2482   Tcl_Obj *CONST objv[]
2483 ){
2484   sqlite3 *db;
2485   if( objc!=2 ){
2486     Tcl_AppendResult(interp, "wrong # args: should be \"",
2487        Tcl_GetString(objv[0]), " DB", 0);
2488     return TCL_ERROR;
2489   }
2490   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2491   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_changes(db)));
2492   return TCL_OK;
2493 }
2494 
2495 /*
2496 ** This is the "static_bind_value" that variables are bound to when
2497 ** the FLAG option of sqlite3_bind is "static"
2498 */
2499 static char *sqlite_static_bind_value = 0;
2500 static int sqlite_static_bind_nbyte = 0;
2501 
2502 /*
2503 ** Usage:  sqlite3_bind  VM  IDX  VALUE  FLAGS
2504 **
2505 ** Sets the value of the IDX-th occurance of "?" in the original SQL
2506 ** string.  VALUE is the new value.  If FLAGS=="null" then VALUE is
2507 ** ignored and the value is set to NULL.  If FLAGS=="static" then
2508 ** the value is set to the value of a static variable named
2509 ** "sqlite_static_bind_value".  If FLAGS=="normal" then a copy
2510 ** of the VALUE is made.  If FLAGS=="blob10" then a VALUE is ignored
2511 ** an a 10-byte blob "abc\000xyz\000pq" is inserted.
2512 */
2513 static int test_bind(
2514   void *NotUsed,
2515   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2516   int argc,              /* Number of arguments */
2517   char **argv            /* Text of each argument */
2518 ){
2519   sqlite3_stmt *pStmt;
2520   int rc;
2521   int idx;
2522   if( argc!=5 ){
2523     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
2524        " VM IDX VALUE (null|static|normal)\"", 0);
2525     return TCL_ERROR;
2526   }
2527   if( getStmtPointer(interp, argv[1], &pStmt) ) return TCL_ERROR;
2528   if( Tcl_GetInt(interp, argv[2], &idx) ) return TCL_ERROR;
2529   if( strcmp(argv[4],"null")==0 ){
2530     rc = sqlite3_bind_null(pStmt, idx);
2531   }else if( strcmp(argv[4],"static")==0 ){
2532     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value, -1, 0);
2533   }else if( strcmp(argv[4],"static-nbytes")==0 ){
2534     rc = sqlite3_bind_text(pStmt, idx, sqlite_static_bind_value,
2535                                        sqlite_static_bind_nbyte, 0);
2536   }else if( strcmp(argv[4],"normal")==0 ){
2537     rc = sqlite3_bind_text(pStmt, idx, argv[3], -1, SQLITE_TRANSIENT);
2538   }else if( strcmp(argv[4],"blob10")==0 ){
2539     rc = sqlite3_bind_text(pStmt, idx, "abc\000xyz\000pq", 10, SQLITE_STATIC);
2540   }else{
2541     Tcl_AppendResult(interp, "4th argument should be "
2542         "\"null\" or \"static\" or \"normal\"", 0);
2543     return TCL_ERROR;
2544   }
2545   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
2546   if( rc ){
2547     char zBuf[50];
2548     sprintf(zBuf, "(%d) ", rc);
2549     Tcl_AppendResult(interp, zBuf, sqlite3ErrStr(rc), 0);
2550     return TCL_ERROR;
2551   }
2552   return TCL_OK;
2553 }
2554 
2555 #ifndef SQLITE_OMIT_UTF16
2556 /*
2557 ** Usage: add_test_collate <db ptr> <utf8> <utf16le> <utf16be>
2558 **
2559 ** This function is used to test that SQLite selects the correct collation
2560 ** sequence callback when multiple versions (for different text encodings)
2561 ** are available.
2562 **
2563 ** Calling this routine registers the collation sequence "test_collate"
2564 ** with database handle <db>. The second argument must be a list of three
2565 ** boolean values. If the first is true, then a version of test_collate is
2566 ** registered for UTF-8, if the second is true, a version is registered for
2567 ** UTF-16le, if the third is true, a UTF-16be version is available.
2568 ** Previous versions of test_collate are deleted.
2569 **
2570 ** The collation sequence test_collate is implemented by calling the
2571 ** following TCL script:
2572 **
2573 **   "test_collate <enc> <lhs> <rhs>"
2574 **
2575 ** The <lhs> and <rhs> are the two values being compared, encoded in UTF-8.
2576 ** The <enc> parameter is the encoding of the collation function that
2577 ** SQLite selected to call. The TCL test script implements the
2578 ** "test_collate" proc.
2579 **
2580 ** Note that this will only work with one intepreter at a time, as the
2581 ** interp pointer to use when evaluating the TCL script is stored in
2582 ** pTestCollateInterp.
2583 */
2584 static Tcl_Interp* pTestCollateInterp;
2585 static int test_collate_func(
2586   void *pCtx,
2587   int nA, const void *zA,
2588   int nB, const void *zB
2589 ){
2590   Tcl_Interp *i = pTestCollateInterp;
2591   int encin = SQLITE_PTR_TO_INT(pCtx);
2592   int res;
2593   int n;
2594 
2595   sqlite3_value *pVal;
2596   Tcl_Obj *pX;
2597 
2598   pX = Tcl_NewStringObj("test_collate", -1);
2599   Tcl_IncrRefCount(pX);
2600 
2601   switch( encin ){
2602     case SQLITE_UTF8:
2603       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-8",-1));
2604       break;
2605     case SQLITE_UTF16LE:
2606       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16LE",-1));
2607       break;
2608     case SQLITE_UTF16BE:
2609       Tcl_ListObjAppendElement(i,pX,Tcl_NewStringObj("UTF-16BE",-1));
2610       break;
2611     default:
2612       assert(0);
2613   }
2614 
2615   sqlite3BeginBenignMalloc();
2616   pVal = sqlite3ValueNew(0);
2617   if( pVal ){
2618     sqlite3ValueSetStr(pVal, nA, zA, encin, SQLITE_STATIC);
2619     n = sqlite3_value_bytes(pVal);
2620     Tcl_ListObjAppendElement(i,pX,
2621         Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
2622     sqlite3ValueSetStr(pVal, nB, zB, encin, SQLITE_STATIC);
2623     n = sqlite3_value_bytes(pVal);
2624     Tcl_ListObjAppendElement(i,pX,
2625         Tcl_NewStringObj((char*)sqlite3_value_text(pVal),n));
2626     sqlite3ValueFree(pVal);
2627   }
2628   sqlite3EndBenignMalloc();
2629 
2630   Tcl_EvalObjEx(i, pX, 0);
2631   Tcl_DecrRefCount(pX);
2632   Tcl_GetIntFromObj(i, Tcl_GetObjResult(i), &res);
2633   return res;
2634 }
2635 static int test_collate(
2636   void * clientData,
2637   Tcl_Interp *interp,
2638   int objc,
2639   Tcl_Obj *CONST objv[]
2640 ){
2641   sqlite3 *db;
2642   int val;
2643   sqlite3_value *pVal;
2644   int rc;
2645 
2646   if( objc!=5 ) goto bad_args;
2647   pTestCollateInterp = interp;
2648   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2649 
2650   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
2651   rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF8,
2652           (void *)SQLITE_UTF8, val?test_collate_func:0);
2653   if( rc==SQLITE_OK ){
2654     const void *zUtf16;
2655     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
2656     rc = sqlite3_create_collation(db, "test_collate", SQLITE_UTF16LE,
2657             (void *)SQLITE_UTF16LE, val?test_collate_func:0);
2658     if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
2659 
2660 #if 0
2661     if( sqlite3_iMallocFail>0 ){
2662       sqlite3_iMallocFail++;
2663     }
2664 #endif
2665     sqlite3_mutex_enter(db->mutex);
2666     pVal = sqlite3ValueNew(db);
2667     sqlite3ValueSetStr(pVal, -1, "test_collate", SQLITE_UTF8, SQLITE_STATIC);
2668     zUtf16 = sqlite3ValueText(pVal, SQLITE_UTF16NATIVE);
2669     if( db->mallocFailed ){
2670       rc = SQLITE_NOMEM;
2671     }else{
2672       rc = sqlite3_create_collation16(db, zUtf16, SQLITE_UTF16BE,
2673           (void *)SQLITE_UTF16BE, val?test_collate_func:0);
2674     }
2675     sqlite3ValueFree(pVal);
2676     sqlite3_mutex_leave(db->mutex);
2677   }
2678   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2679 
2680   if( rc!=SQLITE_OK ){
2681     Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
2682     return TCL_ERROR;
2683   }
2684   return TCL_OK;
2685 
2686 bad_args:
2687   Tcl_AppendResult(interp, "wrong # args: should be \"",
2688       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
2689   return TCL_ERROR;
2690 }
2691 
2692 /*
2693 ** When the collation needed callback is invoked, record the name of
2694 ** the requested collating function here.  The recorded name is linked
2695 ** to a TCL variable and used to make sure that the requested collation
2696 ** name is correct.
2697 */
2698 static char zNeededCollation[200];
2699 static char *pzNeededCollation = zNeededCollation;
2700 
2701 
2702 /*
2703 ** Called when a collating sequence is needed.  Registered using
2704 ** sqlite3_collation_needed16().
2705 */
2706 static void test_collate_needed_cb(
2707   void *pCtx,
2708   sqlite3 *db,
2709   int eTextRep,
2710   const void *pName
2711 ){
2712   int enc = ENC(db);
2713   int i;
2714   char *z;
2715   for(z = (char*)pName, i=0; *z || z[1]; z++){
2716     if( *z ) zNeededCollation[i++] = *z;
2717   }
2718   zNeededCollation[i] = 0;
2719   sqlite3_create_collation(
2720       db, "test_collate", ENC(db), SQLITE_INT_TO_PTR(enc), test_collate_func);
2721 }
2722 
2723 /*
2724 ** Usage: add_test_collate_needed DB
2725 */
2726 static int test_collate_needed(
2727   void * clientData,
2728   Tcl_Interp *interp,
2729   int objc,
2730   Tcl_Obj *CONST objv[]
2731 ){
2732   sqlite3 *db;
2733   int rc;
2734 
2735   if( objc!=2 ) goto bad_args;
2736   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2737   rc = sqlite3_collation_needed16(db, 0, test_collate_needed_cb);
2738   zNeededCollation[0] = 0;
2739   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
2740   return TCL_OK;
2741 
2742 bad_args:
2743   Tcl_WrongNumArgs(interp, 1, objv, "DB");
2744   return TCL_ERROR;
2745 }
2746 
2747 /*
2748 ** tclcmd:   add_alignment_test_collations  DB
2749 **
2750 ** Add two new collating sequences to the database DB
2751 **
2752 **     utf16_aligned
2753 **     utf16_unaligned
2754 **
2755 ** Both collating sequences use the same sort order as BINARY.
2756 ** The only difference is that the utf16_aligned collating
2757 ** sequence is declared with the SQLITE_UTF16_ALIGNED flag.
2758 ** Both collating functions increment the unaligned utf16 counter
2759 ** whenever they see a string that begins on an odd byte boundary.
2760 */
2761 static int unaligned_string_counter = 0;
2762 static int alignmentCollFunc(
2763   void *NotUsed,
2764   int nKey1, const void *pKey1,
2765   int nKey2, const void *pKey2
2766 ){
2767   int rc, n;
2768   n = nKey1<nKey2 ? nKey1 : nKey2;
2769   if( nKey1>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey1))) ) unaligned_string_counter++;
2770   if( nKey2>0 && 1==(1&(SQLITE_PTR_TO_INT(pKey2))) ) unaligned_string_counter++;
2771   rc = memcmp(pKey1, pKey2, n);
2772   if( rc==0 ){
2773     rc = nKey1 - nKey2;
2774   }
2775   return rc;
2776 }
2777 static int add_alignment_test_collations(
2778   void * clientData,
2779   Tcl_Interp *interp,
2780   int objc,
2781   Tcl_Obj *CONST objv[]
2782 ){
2783   sqlite3 *db;
2784   if( objc>=2 ){
2785     if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2786     sqlite3_create_collation(db, "utf16_unaligned", SQLITE_UTF16,
2787         0, alignmentCollFunc);
2788     sqlite3_create_collation(db, "utf16_aligned", SQLITE_UTF16_ALIGNED,
2789         0, alignmentCollFunc);
2790   }
2791   return SQLITE_OK;
2792 }
2793 #endif /* !defined(SQLITE_OMIT_UTF16) */
2794 
2795 /*
2796 ** Usage: add_test_function <db ptr> <utf8> <utf16le> <utf16be>
2797 **
2798 ** This function is used to test that SQLite selects the correct user
2799 ** function callback when multiple versions (for different text encodings)
2800 ** are available.
2801 **
2802 ** Calling this routine registers up to three versions of the user function
2803 ** "test_function" with database handle <db>.  If the second argument is
2804 ** true, then a version of test_function is registered for UTF-8, if the
2805 ** third is true, a version is registered for UTF-16le, if the fourth is
2806 ** true, a UTF-16be version is available.  Previous versions of
2807 ** test_function are deleted.
2808 **
2809 ** The user function is implemented by calling the following TCL script:
2810 **
2811 **   "test_function <enc> <arg>"
2812 **
2813 ** Where <enc> is one of UTF-8, UTF-16LE or UTF16BE, and <arg> is the
2814 ** single argument passed to the SQL function. The value returned by
2815 ** the TCL script is used as the return value of the SQL function. It
2816 ** is passed to SQLite using UTF-16BE for a UTF-8 test_function(), UTF-8
2817 ** for a UTF-16LE test_function(), and UTF-16LE for an implementation that
2818 ** prefers UTF-16BE.
2819 */
2820 #ifndef SQLITE_OMIT_UTF16
2821 static void test_function_utf8(
2822   sqlite3_context *pCtx,
2823   int nArg,
2824   sqlite3_value **argv
2825 ){
2826   Tcl_Interp *interp;
2827   Tcl_Obj *pX;
2828   sqlite3_value *pVal;
2829   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
2830   pX = Tcl_NewStringObj("test_function", -1);
2831   Tcl_IncrRefCount(pX);
2832   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-8", -1));
2833   Tcl_ListObjAppendElement(interp, pX,
2834       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
2835   Tcl_EvalObjEx(interp, pX, 0);
2836   Tcl_DecrRefCount(pX);
2837   sqlite3_result_text(pCtx, Tcl_GetStringResult(interp), -1, SQLITE_TRANSIENT);
2838   pVal = sqlite3ValueNew(0);
2839   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
2840       SQLITE_UTF8, SQLITE_STATIC);
2841   sqlite3_result_text16be(pCtx, sqlite3_value_text16be(pVal),
2842       -1, SQLITE_TRANSIENT);
2843   sqlite3ValueFree(pVal);
2844 }
2845 static void test_function_utf16le(
2846   sqlite3_context *pCtx,
2847   int nArg,
2848   sqlite3_value **argv
2849 ){
2850   Tcl_Interp *interp;
2851   Tcl_Obj *pX;
2852   sqlite3_value *pVal;
2853   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
2854   pX = Tcl_NewStringObj("test_function", -1);
2855   Tcl_IncrRefCount(pX);
2856   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16LE", -1));
2857   Tcl_ListObjAppendElement(interp, pX,
2858       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
2859   Tcl_EvalObjEx(interp, pX, 0);
2860   Tcl_DecrRefCount(pX);
2861   pVal = sqlite3ValueNew(0);
2862   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
2863       SQLITE_UTF8, SQLITE_STATIC);
2864   sqlite3_result_text(pCtx,(char*)sqlite3_value_text(pVal),-1,SQLITE_TRANSIENT);
2865   sqlite3ValueFree(pVal);
2866 }
2867 static void test_function_utf16be(
2868   sqlite3_context *pCtx,
2869   int nArg,
2870   sqlite3_value **argv
2871 ){
2872   Tcl_Interp *interp;
2873   Tcl_Obj *pX;
2874   sqlite3_value *pVal;
2875   interp = (Tcl_Interp *)sqlite3_user_data(pCtx);
2876   pX = Tcl_NewStringObj("test_function", -1);
2877   Tcl_IncrRefCount(pX);
2878   Tcl_ListObjAppendElement(interp, pX, Tcl_NewStringObj("UTF-16BE", -1));
2879   Tcl_ListObjAppendElement(interp, pX,
2880       Tcl_NewStringObj((char*)sqlite3_value_text(argv[0]), -1));
2881   Tcl_EvalObjEx(interp, pX, 0);
2882   Tcl_DecrRefCount(pX);
2883   pVal = sqlite3ValueNew(0);
2884   sqlite3ValueSetStr(pVal, -1, Tcl_GetStringResult(interp),
2885       SQLITE_UTF8, SQLITE_STATIC);
2886   sqlite3_result_text16(pCtx, sqlite3_value_text16le(pVal),
2887       -1, SQLITE_TRANSIENT);
2888   sqlite3_result_text16be(pCtx, sqlite3_value_text16le(pVal),
2889       -1, SQLITE_TRANSIENT);
2890   sqlite3_result_text16le(pCtx, sqlite3_value_text16le(pVal),
2891       -1, SQLITE_TRANSIENT);
2892   sqlite3ValueFree(pVal);
2893 }
2894 #endif /* SQLITE_OMIT_UTF16 */
2895 static int test_function(
2896   void * clientData,
2897   Tcl_Interp *interp,
2898   int objc,
2899   Tcl_Obj *CONST objv[]
2900 ){
2901 #ifndef SQLITE_OMIT_UTF16
2902   sqlite3 *db;
2903   int val;
2904 
2905   if( objc!=5 ) goto bad_args;
2906   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
2907 
2908   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
2909   if( val ){
2910     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF8,
2911         interp, test_function_utf8, 0, 0);
2912   }
2913   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[3], &val) ) return TCL_ERROR;
2914   if( val ){
2915     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16LE,
2916         interp, test_function_utf16le, 0, 0);
2917   }
2918   if( TCL_OK!=Tcl_GetBooleanFromObj(interp, objv[4], &val) ) return TCL_ERROR;
2919   if( val ){
2920     sqlite3_create_function(db, "test_function", 1, SQLITE_UTF16BE,
2921         interp, test_function_utf16be, 0, 0);
2922   }
2923 
2924   return TCL_OK;
2925 bad_args:
2926   Tcl_AppendResult(interp, "wrong # args: should be \"",
2927       Tcl_GetStringFromObj(objv[0], 0), " <DB> <utf8> <utf16le> <utf16be>", 0);
2928 #endif /* SQLITE_OMIT_UTF16 */
2929   return TCL_ERROR;
2930 }
2931 
2932 /*
2933 ** Usage:         sqlite3_test_errstr <err code>
2934 **
2935 ** Test that the english language string equivalents for sqlite error codes
2936 ** are sane. The parameter is an integer representing an sqlite error code.
2937 ** The result is a list of two elements, the string representation of the
2938 ** error code and the english language explanation.
2939 */
2940 static int test_errstr(
2941   void * clientData,
2942   Tcl_Interp *interp,
2943   int objc,
2944   Tcl_Obj *CONST objv[]
2945 ){
2946   char *zCode;
2947   int i;
2948   if( objc!=1 ){
2949     Tcl_WrongNumArgs(interp, 1, objv, "<error code>");
2950   }
2951 
2952   zCode = Tcl_GetString(objv[1]);
2953   for(i=0; i<200; i++){
2954     if( 0==strcmp(t1ErrorName(i), zCode) ) break;
2955   }
2956   Tcl_SetResult(interp, (char *)sqlite3ErrStr(i), 0);
2957   return TCL_OK;
2958 }
2959 
2960 /*
2961 ** Usage:    breakpoint
2962 **
2963 ** This routine exists for one purpose - to provide a place to put a
2964 ** breakpoint with GDB that can be triggered using TCL code.  The use
2965 ** for this is when a particular test fails on (say) the 1485th iteration.
2966 ** In the TCL test script, we can add code like this:
2967 **
2968 **     if {$i==1485} breakpoint
2969 **
2970 ** Then run testfixture in the debugger and wait for the breakpoint to
2971 ** fire.  Then additional breakpoints can be set to trace down the bug.
2972 */
2973 static int test_breakpoint(
2974   void *NotUsed,
2975   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
2976   int argc,              /* Number of arguments */
2977   char **argv            /* Text of each argument */
2978 ){
2979   return TCL_OK;         /* Do nothing */
2980 }
2981 
2982 /*
2983 ** Usage:   sqlite3_bind_zeroblob  STMT IDX N
2984 **
2985 ** Test the sqlite3_bind_zeroblob interface.  STMT is a prepared statement.
2986 ** IDX is the index of a wildcard in the prepared statement.  This command
2987 ** binds a N-byte zero-filled BLOB to the wildcard.
2988 */
2989 static int test_bind_zeroblob(
2990   void * clientData,
2991   Tcl_Interp *interp,
2992   int objc,
2993   Tcl_Obj *CONST objv[]
2994 ){
2995   sqlite3_stmt *pStmt;
2996   int idx;
2997   int n;
2998   int rc;
2999 
3000   if( objc!=4 ){
3001     Tcl_WrongNumArgs(interp, 1, objv, "STMT IDX N");
3002     return TCL_ERROR;
3003   }
3004 
3005   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3006   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3007   if( Tcl_GetIntFromObj(interp, objv[3], &n) ) return TCL_ERROR;
3008 
3009   rc = sqlite3_bind_zeroblob(pStmt, idx, n);
3010   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3011   if( rc!=SQLITE_OK ){
3012     return TCL_ERROR;
3013   }
3014 
3015   return TCL_OK;
3016 }
3017 
3018 /*
3019 ** Usage:   sqlite3_bind_int  STMT N VALUE
3020 **
3021 ** Test the sqlite3_bind_int interface.  STMT is a prepared statement.
3022 ** N is the index of a wildcard in the prepared statement.  This command
3023 ** binds a 32-bit integer VALUE to that wildcard.
3024 */
3025 static int test_bind_int(
3026   void * clientData,
3027   Tcl_Interp *interp,
3028   int objc,
3029   Tcl_Obj *CONST objv[]
3030 ){
3031   sqlite3_stmt *pStmt;
3032   int idx;
3033   int value;
3034   int rc;
3035 
3036   if( objc!=4 ){
3037     Tcl_AppendResult(interp, "wrong # args: should be \"",
3038         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3039     return TCL_ERROR;
3040   }
3041 
3042   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3043   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3044   if( Tcl_GetIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
3045 
3046   rc = sqlite3_bind_int(pStmt, idx, value);
3047   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3048   if( rc!=SQLITE_OK ){
3049     return TCL_ERROR;
3050   }
3051 
3052   return TCL_OK;
3053 }
3054 
3055 
3056 /*
3057 ** Usage:   sqlite3_bind_int64  STMT N VALUE
3058 **
3059 ** Test the sqlite3_bind_int64 interface.  STMT is a prepared statement.
3060 ** N is the index of a wildcard in the prepared statement.  This command
3061 ** binds a 64-bit integer VALUE to that wildcard.
3062 */
3063 static int test_bind_int64(
3064   void * clientData,
3065   Tcl_Interp *interp,
3066   int objc,
3067   Tcl_Obj *CONST objv[]
3068 ){
3069   sqlite3_stmt *pStmt;
3070   int idx;
3071   i64 value;
3072   int rc;
3073 
3074   if( objc!=4 ){
3075     Tcl_AppendResult(interp, "wrong # args: should be \"",
3076         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3077     return TCL_ERROR;
3078   }
3079 
3080   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3081   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3082   if( Tcl_GetWideIntFromObj(interp, objv[3], &value) ) return TCL_ERROR;
3083 
3084   rc = sqlite3_bind_int64(pStmt, idx, value);
3085   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3086   if( rc!=SQLITE_OK ){
3087     return TCL_ERROR;
3088   }
3089 
3090   return TCL_OK;
3091 }
3092 
3093 
3094 /*
3095 ** Usage:   sqlite3_bind_double  STMT N VALUE
3096 **
3097 ** Test the sqlite3_bind_double interface.  STMT is a prepared statement.
3098 ** N is the index of a wildcard in the prepared statement.  This command
3099 ** binds a 64-bit integer VALUE to that wildcard.
3100 */
3101 static int test_bind_double(
3102   void * clientData,
3103   Tcl_Interp *interp,
3104   int objc,
3105   Tcl_Obj *CONST objv[]
3106 ){
3107   sqlite3_stmt *pStmt;
3108   int idx;
3109   double value;
3110   int rc;
3111   const char *zVal;
3112   int i;
3113   static const struct {
3114     const char *zName;     /* Name of the special floating point value */
3115     unsigned int iUpper;   /* Upper 32 bits */
3116     unsigned int iLower;   /* Lower 32 bits */
3117   } aSpecialFp[] = {
3118     {  "NaN",      0x7fffffff, 0xffffffff },
3119     {  "SNaN",     0x7ff7ffff, 0xffffffff },
3120     {  "-NaN",     0xffffffff, 0xffffffff },
3121     {  "-SNaN",    0xfff7ffff, 0xffffffff },
3122     {  "+Inf",     0x7ff00000, 0x00000000 },
3123     {  "-Inf",     0xfff00000, 0x00000000 },
3124     {  "Epsilon",  0x00000000, 0x00000001 },
3125     {  "-Epsilon", 0x80000000, 0x00000001 },
3126     {  "NaN0",     0x7ff80000, 0x00000000 },
3127     {  "-NaN0",    0xfff80000, 0x00000000 },
3128   };
3129 
3130   if( objc!=4 ){
3131     Tcl_AppendResult(interp, "wrong # args: should be \"",
3132         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE", 0);
3133     return TCL_ERROR;
3134   }
3135 
3136   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3137   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3138 
3139   /* Intercept the string "NaN" and generate a NaN value for it.
3140   ** All other strings are passed through to Tcl_GetDoubleFromObj().
3141   ** Tcl_GetDoubleFromObj() should understand "NaN" but some versions
3142   ** contain a bug.
3143   */
3144   zVal = Tcl_GetString(objv[3]);
3145   for(i=0; i<sizeof(aSpecialFp)/sizeof(aSpecialFp[0]); i++){
3146     if( strcmp(aSpecialFp[i].zName, zVal)==0 ){
3147       sqlite3_uint64 x;
3148       x = aSpecialFp[i].iUpper;
3149       x <<= 32;
3150       x |= aSpecialFp[i].iLower;
3151       assert( sizeof(value)==8 );
3152       assert( sizeof(x)==8 );
3153       memcpy(&value, &x, 8);
3154       break;
3155     }
3156   }
3157   if( i>=sizeof(aSpecialFp)/sizeof(aSpecialFp[0]) &&
3158          Tcl_GetDoubleFromObj(interp, objv[3], &value) ){
3159     return TCL_ERROR;
3160   }
3161   rc = sqlite3_bind_double(pStmt, idx, value);
3162   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3163   if( rc!=SQLITE_OK ){
3164     return TCL_ERROR;
3165   }
3166 
3167   return TCL_OK;
3168 }
3169 
3170 /*
3171 ** Usage:   sqlite3_bind_null  STMT N
3172 **
3173 ** Test the sqlite3_bind_null interface.  STMT is a prepared statement.
3174 ** N is the index of a wildcard in the prepared statement.  This command
3175 ** binds a NULL to the wildcard.
3176 */
3177 static int test_bind_null(
3178   void * clientData,
3179   Tcl_Interp *interp,
3180   int objc,
3181   Tcl_Obj *CONST objv[]
3182 ){
3183   sqlite3_stmt *pStmt;
3184   int idx;
3185   int rc;
3186 
3187   if( objc!=3 ){
3188     Tcl_AppendResult(interp, "wrong # args: should be \"",
3189         Tcl_GetStringFromObj(objv[0], 0), " STMT N", 0);
3190     return TCL_ERROR;
3191   }
3192 
3193   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3194   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3195 
3196   rc = sqlite3_bind_null(pStmt, idx);
3197   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3198   if( rc!=SQLITE_OK ){
3199     return TCL_ERROR;
3200   }
3201 
3202   return TCL_OK;
3203 }
3204 
3205 /*
3206 ** Usage:   sqlite3_bind_text  STMT N STRING BYTES
3207 **
3208 ** Test the sqlite3_bind_text interface.  STMT is a prepared statement.
3209 ** N is the index of a wildcard in the prepared statement.  This command
3210 ** binds a UTF-8 string STRING to the wildcard.  The string is BYTES bytes
3211 ** long.
3212 */
3213 static int test_bind_text(
3214   void * clientData,
3215   Tcl_Interp *interp,
3216   int objc,
3217   Tcl_Obj *CONST objv[]
3218 ){
3219   sqlite3_stmt *pStmt;
3220   int idx;
3221   int bytes;
3222   char *value;
3223   int rc;
3224 
3225   if( objc!=5 ){
3226     Tcl_AppendResult(interp, "wrong # args: should be \"",
3227         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
3228     return TCL_ERROR;
3229   }
3230 
3231   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3232   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3233   value = (char*)Tcl_GetByteArrayFromObj(objv[3], &bytes);
3234   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
3235 
3236   rc = sqlite3_bind_text(pStmt, idx, value, bytes, SQLITE_TRANSIENT);
3237   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3238   if( rc!=SQLITE_OK ){
3239     Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
3240     return TCL_ERROR;
3241   }
3242 
3243   return TCL_OK;
3244 }
3245 
3246 /*
3247 ** Usage:   sqlite3_bind_text16 ?-static? STMT N STRING BYTES
3248 **
3249 ** Test the sqlite3_bind_text16 interface.  STMT is a prepared statement.
3250 ** N is the index of a wildcard in the prepared statement.  This command
3251 ** binds a UTF-16 string STRING to the wildcard.  The string is BYTES bytes
3252 ** long.
3253 */
3254 static int test_bind_text16(
3255   void * clientData,
3256   Tcl_Interp *interp,
3257   int objc,
3258   Tcl_Obj *CONST objv[]
3259 ){
3260 #ifndef SQLITE_OMIT_UTF16
3261   sqlite3_stmt *pStmt;
3262   int idx;
3263   int bytes;
3264   char *value;
3265   int rc;
3266 
3267   void (*xDel)() = (objc==6?SQLITE_STATIC:SQLITE_TRANSIENT);
3268   Tcl_Obj *oStmt    = objv[objc-4];
3269   Tcl_Obj *oN       = objv[objc-3];
3270   Tcl_Obj *oString  = objv[objc-2];
3271   Tcl_Obj *oBytes   = objv[objc-1];
3272 
3273   if( objc!=5 && objc!=6){
3274     Tcl_AppendResult(interp, "wrong # args: should be \"",
3275         Tcl_GetStringFromObj(objv[0], 0), " STMT N VALUE BYTES", 0);
3276     return TCL_ERROR;
3277   }
3278 
3279   if( getStmtPointer(interp, Tcl_GetString(oStmt), &pStmt) ) return TCL_ERROR;
3280   if( Tcl_GetIntFromObj(interp, oN, &idx) ) return TCL_ERROR;
3281   value = (char*)Tcl_GetByteArrayFromObj(oString, 0);
3282   if( Tcl_GetIntFromObj(interp, oBytes, &bytes) ) return TCL_ERROR;
3283 
3284   rc = sqlite3_bind_text16(pStmt, idx, (void *)value, bytes, xDel);
3285   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3286   if( rc!=SQLITE_OK ){
3287     Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
3288     return TCL_ERROR;
3289   }
3290 
3291 #endif /* SQLITE_OMIT_UTF16 */
3292   return TCL_OK;
3293 }
3294 
3295 /*
3296 ** Usage:   sqlite3_bind_blob ?-static? STMT N DATA BYTES
3297 **
3298 ** Test the sqlite3_bind_blob interface.  STMT is a prepared statement.
3299 ** N is the index of a wildcard in the prepared statement.  This command
3300 ** binds a BLOB to the wildcard.  The BLOB is BYTES bytes in size.
3301 */
3302 static int test_bind_blob(
3303   void * clientData,
3304   Tcl_Interp *interp,
3305   int objc,
3306   Tcl_Obj *CONST objv[]
3307 ){
3308   sqlite3_stmt *pStmt;
3309   int idx;
3310   int bytes;
3311   char *value;
3312   int rc;
3313   sqlite3_destructor_type xDestructor = SQLITE_TRANSIENT;
3314 
3315   if( objc!=5 && objc!=6 ){
3316     Tcl_AppendResult(interp, "wrong # args: should be \"",
3317         Tcl_GetStringFromObj(objv[0], 0), " STMT N DATA BYTES", 0);
3318     return TCL_ERROR;
3319   }
3320 
3321   if( objc==6 ){
3322     xDestructor = SQLITE_STATIC;
3323     objv++;
3324   }
3325 
3326   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3327   if( Tcl_GetIntFromObj(interp, objv[2], &idx) ) return TCL_ERROR;
3328   value = Tcl_GetString(objv[3]);
3329   if( Tcl_GetIntFromObj(interp, objv[4], &bytes) ) return TCL_ERROR;
3330 
3331   rc = sqlite3_bind_blob(pStmt, idx, value, bytes, xDestructor);
3332   if( sqlite3TestErrCode(interp, StmtToDb(pStmt), rc) ) return TCL_ERROR;
3333   if( rc!=SQLITE_OK ){
3334     return TCL_ERROR;
3335   }
3336 
3337   return TCL_OK;
3338 }
3339 
3340 /*
3341 ** Usage:   sqlite3_bind_parameter_count  STMT
3342 **
3343 ** Return the number of wildcards in the given statement.
3344 */
3345 static int test_bind_parameter_count(
3346   void * clientData,
3347   Tcl_Interp *interp,
3348   int objc,
3349   Tcl_Obj *CONST objv[]
3350 ){
3351   sqlite3_stmt *pStmt;
3352 
3353   if( objc!=2 ){
3354     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
3355     return TCL_ERROR;
3356   }
3357   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3358   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_bind_parameter_count(pStmt)));
3359   return TCL_OK;
3360 }
3361 
3362 /*
3363 ** Usage:   sqlite3_bind_parameter_name  STMT  N
3364 **
3365 ** Return the name of the Nth wildcard.  The first wildcard is 1.
3366 ** An empty string is returned if N is out of range or if the wildcard
3367 ** is nameless.
3368 */
3369 static int test_bind_parameter_name(
3370   void * clientData,
3371   Tcl_Interp *interp,
3372   int objc,
3373   Tcl_Obj *CONST objv[]
3374 ){
3375   sqlite3_stmt *pStmt;
3376   int i;
3377 
3378   if( objc!=3 ){
3379     Tcl_WrongNumArgs(interp, 1, objv, "STMT N");
3380     return TCL_ERROR;
3381   }
3382   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3383   if( Tcl_GetIntFromObj(interp, objv[2], &i) ) return TCL_ERROR;
3384   Tcl_SetObjResult(interp,
3385      Tcl_NewStringObj(sqlite3_bind_parameter_name(pStmt,i),-1)
3386   );
3387   return TCL_OK;
3388 }
3389 
3390 /*
3391 ** Usage:   sqlite3_bind_parameter_index  STMT  NAME
3392 **
3393 ** Return the index of the wildcard called NAME.  Return 0 if there is
3394 ** no such wildcard.
3395 */
3396 static int test_bind_parameter_index(
3397   void * clientData,
3398   Tcl_Interp *interp,
3399   int objc,
3400   Tcl_Obj *CONST objv[]
3401 ){
3402   sqlite3_stmt *pStmt;
3403 
3404   if( objc!=3 ){
3405     Tcl_WrongNumArgs(interp, 1, objv, "STMT NAME");
3406     return TCL_ERROR;
3407   }
3408   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3409   Tcl_SetObjResult(interp,
3410      Tcl_NewIntObj(
3411        sqlite3_bind_parameter_index(pStmt,Tcl_GetString(objv[2]))
3412      )
3413   );
3414   return TCL_OK;
3415 }
3416 
3417 /*
3418 ** Usage:   sqlite3_clear_bindings STMT
3419 **
3420 */
3421 static int test_clear_bindings(
3422   void * clientData,
3423   Tcl_Interp *interp,
3424   int objc,
3425   Tcl_Obj *CONST objv[]
3426 ){
3427   sqlite3_stmt *pStmt;
3428 
3429   if( objc!=2 ){
3430     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
3431     return TCL_ERROR;
3432   }
3433   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
3434   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_clear_bindings(pStmt)));
3435   return TCL_OK;
3436 }
3437 
3438 /*
3439 ** Usage:   sqlite3_sleep MILLISECONDS
3440 */
3441 static int test_sleep(
3442   void * clientData,
3443   Tcl_Interp *interp,
3444   int objc,
3445   Tcl_Obj *CONST objv[]
3446 ){
3447   int ms;
3448 
3449   if( objc!=2 ){
3450     Tcl_WrongNumArgs(interp, 1, objv, "MILLISECONDS");
3451     return TCL_ERROR;
3452   }
3453   if( Tcl_GetIntFromObj(interp, objv[1], &ms) ){
3454     return TCL_ERROR;
3455   }
3456   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_sleep(ms)));
3457   return TCL_OK;
3458 }
3459 
3460 /*
3461 ** Usage: sqlite3_extended_errcode DB
3462 **
3463 ** Return the string representation of the most recent sqlite3_* API
3464 ** error code. e.g. "SQLITE_ERROR".
3465 */
3466 static int test_ex_errcode(
3467   void * clientData,
3468   Tcl_Interp *interp,
3469   int objc,
3470   Tcl_Obj *CONST objv[]
3471 ){
3472   sqlite3 *db;
3473   int rc;
3474 
3475   if( objc!=2 ){
3476     Tcl_AppendResult(interp, "wrong # args: should be \"",
3477        Tcl_GetString(objv[0]), " DB", 0);
3478     return TCL_ERROR;
3479   }
3480   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3481   rc = sqlite3_extended_errcode(db);
3482   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
3483   return TCL_OK;
3484 }
3485 
3486 
3487 /*
3488 ** Usage: sqlite3_errcode DB
3489 **
3490 ** Return the string representation of the most recent sqlite3_* API
3491 ** error code. e.g. "SQLITE_ERROR".
3492 */
3493 static int test_errcode(
3494   void * clientData,
3495   Tcl_Interp *interp,
3496   int objc,
3497   Tcl_Obj *CONST objv[]
3498 ){
3499   sqlite3 *db;
3500   int rc;
3501 
3502   if( objc!=2 ){
3503     Tcl_AppendResult(interp, "wrong # args: should be \"",
3504        Tcl_GetString(objv[0]), " DB", 0);
3505     return TCL_ERROR;
3506   }
3507   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3508   rc = sqlite3_errcode(db);
3509   Tcl_AppendResult(interp, (char *)t1ErrorName(rc), 0);
3510   return TCL_OK;
3511 }
3512 
3513 /*
3514 ** Usage:   sqlite3_errmsg DB
3515 **
3516 ** Returns the UTF-8 representation of the error message string for the
3517 ** most recent sqlite3_* API call.
3518 */
3519 static int test_errmsg(
3520   void * clientData,
3521   Tcl_Interp *interp,
3522   int objc,
3523   Tcl_Obj *CONST objv[]
3524 ){
3525   sqlite3 *db;
3526   const char *zErr;
3527 
3528   if( objc!=2 ){
3529     Tcl_AppendResult(interp, "wrong # args: should be \"",
3530        Tcl_GetString(objv[0]), " DB", 0);
3531     return TCL_ERROR;
3532   }
3533   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3534 
3535   zErr = sqlite3_errmsg(db);
3536   Tcl_SetObjResult(interp, Tcl_NewStringObj(zErr, -1));
3537   return TCL_OK;
3538 }
3539 
3540 /*
3541 ** Usage:   test_errmsg16 DB
3542 **
3543 ** Returns the UTF-16 representation of the error message string for the
3544 ** most recent sqlite3_* API call. This is a byte array object at the TCL
3545 ** level, and it includes the 0x00 0x00 terminator bytes at the end of the
3546 ** UTF-16 string.
3547 */
3548 static int test_errmsg16(
3549   void * clientData,
3550   Tcl_Interp *interp,
3551   int objc,
3552   Tcl_Obj *CONST objv[]
3553 ){
3554 #ifndef SQLITE_OMIT_UTF16
3555   sqlite3 *db;
3556   const void *zErr;
3557   const char *z;
3558   int bytes = 0;
3559 
3560   if( objc!=2 ){
3561     Tcl_AppendResult(interp, "wrong # args: should be \"",
3562        Tcl_GetString(objv[0]), " DB", 0);
3563     return TCL_ERROR;
3564   }
3565   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3566 
3567   zErr = sqlite3_errmsg16(db);
3568   if( zErr ){
3569     z = zErr;
3570     for(bytes=0; z[bytes] || z[bytes+1]; bytes+=2){}
3571   }
3572   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(zErr, bytes));
3573 #endif /* SQLITE_OMIT_UTF16 */
3574   return TCL_OK;
3575 }
3576 
3577 /*
3578 ** Usage: sqlite3_prepare DB sql bytes ?tailvar?
3579 **
3580 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3581 ** database handle <DB>. The parameter <tailval> is the name of a global
3582 ** variable that is set to the unused portion of <sql> (if any). A
3583 ** STMT handle is returned.
3584 */
3585 static int test_prepare(
3586   void * clientData,
3587   Tcl_Interp *interp,
3588   int objc,
3589   Tcl_Obj *CONST objv[]
3590 ){
3591   sqlite3 *db;
3592   const char *zSql;
3593   int bytes;
3594   const char *zTail = 0;
3595   sqlite3_stmt *pStmt = 0;
3596   char zBuf[50];
3597   int rc;
3598 
3599   if( objc!=5 && objc!=4 ){
3600     Tcl_AppendResult(interp, "wrong # args: should be \"",
3601        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
3602     return TCL_ERROR;
3603   }
3604   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3605   zSql = Tcl_GetString(objv[2]);
3606   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
3607 
3608   rc = sqlite3_prepare(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
3609   Tcl_ResetResult(interp);
3610   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3611   if( zTail && objc>=5 ){
3612     if( bytes>=0 ){
3613       bytes = bytes - (zTail-zSql);
3614     }
3615     if( strlen(zTail)<bytes ){
3616       bytes = strlen(zTail);
3617     }
3618     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
3619   }
3620   if( rc!=SQLITE_OK ){
3621     assert( pStmt==0 );
3622     sprintf(zBuf, "(%d) ", rc);
3623     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
3624     return TCL_ERROR;
3625   }
3626 
3627   if( pStmt ){
3628     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3629     Tcl_AppendResult(interp, zBuf, 0);
3630   }
3631   return TCL_OK;
3632 }
3633 
3634 /*
3635 ** Usage: sqlite3_prepare_v2 DB sql bytes ?tailvar?
3636 **
3637 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3638 ** database handle <DB>. The parameter <tailval> is the name of a global
3639 ** variable that is set to the unused portion of <sql> (if any). A
3640 ** STMT handle is returned.
3641 */
3642 static int test_prepare_v2(
3643   void * clientData,
3644   Tcl_Interp *interp,
3645   int objc,
3646   Tcl_Obj *CONST objv[]
3647 ){
3648   sqlite3 *db;
3649   const char *zSql;
3650   int bytes;
3651   const char *zTail = 0;
3652   sqlite3_stmt *pStmt = 0;
3653   char zBuf[50];
3654   int rc;
3655 
3656   if( objc!=5 && objc!=4 ){
3657     Tcl_AppendResult(interp, "wrong # args: should be \"",
3658        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
3659     return TCL_ERROR;
3660   }
3661   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3662   zSql = Tcl_GetString(objv[2]);
3663   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
3664 
3665   rc = sqlite3_prepare_v2(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
3666   assert(rc==SQLITE_OK || pStmt==0);
3667   Tcl_ResetResult(interp);
3668   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3669   if( zTail && objc>=5 ){
3670     if( bytes>=0 ){
3671       bytes = bytes - (zTail-zSql);
3672     }
3673     Tcl_ObjSetVar2(interp, objv[4], 0, Tcl_NewStringObj(zTail, bytes), 0);
3674   }
3675   if( rc!=SQLITE_OK ){
3676     assert( pStmt==0 );
3677     sprintf(zBuf, "(%d) ", rc);
3678     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
3679     return TCL_ERROR;
3680   }
3681 
3682   if( pStmt ){
3683     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3684     Tcl_AppendResult(interp, zBuf, 0);
3685   }
3686   return TCL_OK;
3687 }
3688 
3689 /*
3690 ** Usage: sqlite3_prepare_tkt3134 DB
3691 **
3692 ** Generate a prepared statement for a zero-byte string as a test
3693 ** for ticket #3134.  The string should be preceeded by a zero byte.
3694 */
3695 static int test_prepare_tkt3134(
3696   void * clientData,
3697   Tcl_Interp *interp,
3698   int objc,
3699   Tcl_Obj *CONST objv[]
3700 ){
3701   sqlite3 *db;
3702   static const char zSql[] = "\000SELECT 1";
3703   sqlite3_stmt *pStmt = 0;
3704   char zBuf[50];
3705   int rc;
3706 
3707   if( objc!=2 ){
3708     Tcl_AppendResult(interp, "wrong # args: should be \"",
3709        Tcl_GetString(objv[0]), " DB sql bytes tailvar", 0);
3710     return TCL_ERROR;
3711   }
3712   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3713   rc = sqlite3_prepare_v2(db, &zSql[1], 0, &pStmt, 0);
3714   assert(rc==SQLITE_OK || pStmt==0);
3715   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3716   if( rc!=SQLITE_OK ){
3717     assert( pStmt==0 );
3718     sprintf(zBuf, "(%d) ", rc);
3719     Tcl_AppendResult(interp, zBuf, sqlite3_errmsg(db), 0);
3720     return TCL_ERROR;
3721   }
3722 
3723   if( pStmt ){
3724     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3725     Tcl_AppendResult(interp, zBuf, 0);
3726   }
3727   return TCL_OK;
3728 }
3729 
3730 /*
3731 ** Usage: sqlite3_prepare16 DB sql bytes tailvar
3732 **
3733 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3734 ** database handle <DB>. The parameter <tailval> is the name of a global
3735 ** variable that is set to the unused portion of <sql> (if any). A
3736 ** STMT handle is returned.
3737 */
3738 static int test_prepare16(
3739   void * clientData,
3740   Tcl_Interp *interp,
3741   int objc,
3742   Tcl_Obj *CONST objv[]
3743 ){
3744 #ifndef SQLITE_OMIT_UTF16
3745   sqlite3 *db;
3746   const void *zSql;
3747   const void *zTail = 0;
3748   Tcl_Obj *pTail = 0;
3749   sqlite3_stmt *pStmt = 0;
3750   char zBuf[50];
3751   int rc;
3752   int bytes;                /* The integer specified as arg 3 */
3753   int objlen;               /* The byte-array length of arg 2 */
3754 
3755   if( objc!=5 && objc!=4 ){
3756     Tcl_AppendResult(interp, "wrong # args: should be \"",
3757        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
3758     return TCL_ERROR;
3759   }
3760   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3761   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
3762   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
3763 
3764   rc = sqlite3_prepare16(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
3765   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3766   if( rc ){
3767     return TCL_ERROR;
3768   }
3769 
3770   if( objc>=5 ){
3771     if( zTail ){
3772       objlen = objlen - ((u8 *)zTail-(u8 *)zSql);
3773     }else{
3774       objlen = 0;
3775     }
3776     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
3777     Tcl_IncrRefCount(pTail);
3778     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
3779     Tcl_DecrRefCount(pTail);
3780   }
3781 
3782   if( pStmt ){
3783     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3784   }
3785   Tcl_AppendResult(interp, zBuf, 0);
3786 #endif /* SQLITE_OMIT_UTF16 */
3787   return TCL_OK;
3788 }
3789 
3790 /*
3791 ** Usage: sqlite3_prepare16_v2 DB sql bytes ?tailvar?
3792 **
3793 ** Compile up to <bytes> bytes of the supplied SQL string <sql> using
3794 ** database handle <DB>. The parameter <tailval> is the name of a global
3795 ** variable that is set to the unused portion of <sql> (if any). A
3796 ** STMT handle is returned.
3797 */
3798 static int test_prepare16_v2(
3799   void * clientData,
3800   Tcl_Interp *interp,
3801   int objc,
3802   Tcl_Obj *CONST objv[]
3803 ){
3804 #ifndef SQLITE_OMIT_UTF16
3805   sqlite3 *db;
3806   const void *zSql;
3807   const void *zTail = 0;
3808   Tcl_Obj *pTail = 0;
3809   sqlite3_stmt *pStmt = 0;
3810   char zBuf[50];
3811   int rc;
3812   int bytes;                /* The integer specified as arg 3 */
3813   int objlen;               /* The byte-array length of arg 2 */
3814 
3815   if( objc!=5 && objc!=4 ){
3816     Tcl_AppendResult(interp, "wrong # args: should be \"",
3817        Tcl_GetString(objv[0]), " DB sql bytes ?tailvar?", 0);
3818     return TCL_ERROR;
3819   }
3820   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
3821   zSql = Tcl_GetByteArrayFromObj(objv[2], &objlen);
3822   if( Tcl_GetIntFromObj(interp, objv[3], &bytes) ) return TCL_ERROR;
3823 
3824   rc = sqlite3_prepare16_v2(db, zSql, bytes, &pStmt, objc>=5 ? &zTail : 0);
3825   if( sqlite3TestErrCode(interp, db, rc) ) return TCL_ERROR;
3826   if( rc ){
3827     return TCL_ERROR;
3828   }
3829 
3830   if( objc>=5 ){
3831     if( zTail ){
3832       objlen = objlen - ((u8 *)zTail-(u8 *)zSql);
3833     }else{
3834       objlen = 0;
3835     }
3836     pTail = Tcl_NewByteArrayObj((u8 *)zTail, objlen);
3837     Tcl_IncrRefCount(pTail);
3838     Tcl_ObjSetVar2(interp, objv[4], 0, pTail, 0);
3839     Tcl_DecrRefCount(pTail);
3840   }
3841 
3842   if( pStmt ){
3843     if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ) return TCL_ERROR;
3844   }
3845   Tcl_AppendResult(interp, zBuf, 0);
3846 #endif /* SQLITE_OMIT_UTF16 */
3847   return TCL_OK;
3848 }
3849 
3850 /*
3851 ** Usage: sqlite3_open filename ?options-list?
3852 */
3853 static int test_open(
3854   void * clientData,
3855   Tcl_Interp *interp,
3856   int objc,
3857   Tcl_Obj *CONST objv[]
3858 ){
3859   const char *zFilename;
3860   sqlite3 *db;
3861   int rc;
3862   char zBuf[100];
3863 
3864   if( objc!=3 && objc!=2 && objc!=1 ){
3865     Tcl_AppendResult(interp, "wrong # args: should be \"",
3866        Tcl_GetString(objv[0]), " filename options-list", 0);
3867     return TCL_ERROR;
3868   }
3869 
3870   zFilename = objc>1 ? Tcl_GetString(objv[1]) : 0;
3871   rc = sqlite3_open(zFilename, &db);
3872 
3873   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
3874   Tcl_AppendResult(interp, zBuf, 0);
3875   return TCL_OK;
3876 }
3877 
3878 /*
3879 ** Usage: sqlite3_open_v2 FILENAME FLAGS VFS
3880 */
3881 static int test_open_v2(
3882   void * clientData,
3883   Tcl_Interp *interp,
3884   int objc,
3885   Tcl_Obj *CONST objv[]
3886 ){
3887   const char *zFilename;
3888   const char *zVfs;
3889   int flags = 0;
3890   sqlite3 *db;
3891   int rc;
3892   char zBuf[100];
3893 
3894   int nFlag;
3895   Tcl_Obj **apFlag;
3896   int i;
3897 
3898   if( objc!=4 ){
3899     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME FLAGS VFS");
3900     return TCL_ERROR;
3901   }
3902   zFilename = Tcl_GetString(objv[1]);
3903   zVfs = Tcl_GetString(objv[3]);
3904   if( zVfs[0]==0x00 ) zVfs = 0;
3905 
3906   rc = Tcl_ListObjGetElements(interp, objv[2], &nFlag, &apFlag);
3907   if( rc!=TCL_OK ) return rc;
3908   for(i=0; i<nFlag; i++){
3909     int iFlag;
3910     struct OpenFlag {
3911       const char *zFlag;
3912       int flag;
3913     } aFlag[] = {
3914       { "SQLITE_OPEN_READONLY", SQLITE_OPEN_READONLY },
3915       { "SQLITE_OPEN_READWRITE", SQLITE_OPEN_READWRITE },
3916       { "SQLITE_OPEN_CREATE", SQLITE_OPEN_CREATE },
3917       { "SQLITE_OPEN_DELETEONCLOSE", SQLITE_OPEN_DELETEONCLOSE },
3918       { "SQLITE_OPEN_EXCLUSIVE", SQLITE_OPEN_EXCLUSIVE },
3919       { "SQLITE_OPEN_AUTOPROXY", SQLITE_OPEN_AUTOPROXY },
3920       { "SQLITE_OPEN_MAIN_DB", SQLITE_OPEN_MAIN_DB },
3921       { "SQLITE_OPEN_TEMP_DB", SQLITE_OPEN_TEMP_DB },
3922       { "SQLITE_OPEN_TRANSIENT_DB", SQLITE_OPEN_TRANSIENT_DB },
3923       { "SQLITE_OPEN_MAIN_JOURNAL", SQLITE_OPEN_MAIN_JOURNAL },
3924       { "SQLITE_OPEN_TEMP_JOURNAL", SQLITE_OPEN_TEMP_JOURNAL },
3925       { "SQLITE_OPEN_SUBJOURNAL", SQLITE_OPEN_SUBJOURNAL },
3926       { "SQLITE_OPEN_MASTER_JOURNAL", SQLITE_OPEN_MASTER_JOURNAL },
3927       { "SQLITE_OPEN_NOMUTEX", SQLITE_OPEN_NOMUTEX },
3928       { "SQLITE_OPEN_FULLMUTEX", SQLITE_OPEN_FULLMUTEX },
3929       { "SQLITE_OPEN_SHAREDCACHE", SQLITE_OPEN_SHAREDCACHE },
3930       { "SQLITE_OPEN_PRIVATECACHE", SQLITE_OPEN_PRIVATECACHE },
3931       { "SQLITE_OPEN_WAL", SQLITE_OPEN_WAL },
3932       { "SQLITE_OPEN_URI", SQLITE_OPEN_URI },
3933       { 0, 0 }
3934     };
3935     rc = Tcl_GetIndexFromObjStruct(interp, apFlag[i], aFlag, sizeof(aFlag[0]),
3936         "flag", 0, &iFlag
3937     );
3938     if( rc!=TCL_OK ) return rc;
3939     flags |= aFlag[iFlag].flag;
3940   }
3941 
3942   rc = sqlite3_open_v2(zFilename, &db, flags, zVfs);
3943   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
3944   Tcl_AppendResult(interp, zBuf, 0);
3945   return TCL_OK;
3946 }
3947 
3948 /*
3949 ** Usage: sqlite3_open16 filename options
3950 */
3951 static int test_open16(
3952   void * clientData,
3953   Tcl_Interp *interp,
3954   int objc,
3955   Tcl_Obj *CONST objv[]
3956 ){
3957 #ifndef SQLITE_OMIT_UTF16
3958   const void *zFilename;
3959   sqlite3 *db;
3960   int rc;
3961   char zBuf[100];
3962 
3963   if( objc!=3 ){
3964     Tcl_AppendResult(interp, "wrong # args: should be \"",
3965        Tcl_GetString(objv[0]), " filename options-list", 0);
3966     return TCL_ERROR;
3967   }
3968 
3969   zFilename = Tcl_GetByteArrayFromObj(objv[1], 0);
3970   rc = sqlite3_open16(zFilename, &db);
3971 
3972   if( sqlite3TestMakePointerStr(interp, zBuf, db) ) return TCL_ERROR;
3973   Tcl_AppendResult(interp, zBuf, 0);
3974 #endif /* SQLITE_OMIT_UTF16 */
3975   return TCL_OK;
3976 }
3977 
3978 /*
3979 ** Usage: sqlite3_complete16 <UTF-16 string>
3980 **
3981 ** Return 1 if the supplied argument is a complete SQL statement, or zero
3982 ** otherwise.
3983 */
3984 static int test_complete16(
3985   void * clientData,
3986   Tcl_Interp *interp,
3987   int objc,
3988   Tcl_Obj *CONST objv[]
3989 ){
3990 #if !defined(SQLITE_OMIT_COMPLETE) && !defined(SQLITE_OMIT_UTF16)
3991   char *zBuf;
3992 
3993   if( objc!=2 ){
3994     Tcl_WrongNumArgs(interp, 1, objv, "<utf-16 sql>");
3995     return TCL_ERROR;
3996   }
3997 
3998   zBuf = (char*)Tcl_GetByteArrayFromObj(objv[1], 0);
3999   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_complete16(zBuf)));
4000 #endif /* SQLITE_OMIT_COMPLETE && SQLITE_OMIT_UTF16 */
4001   return TCL_OK;
4002 }
4003 
4004 /*
4005 ** Usage: sqlite3_step STMT
4006 **
4007 ** Advance the statement to the next row.
4008 */
4009 static int test_step(
4010   void * clientData,
4011   Tcl_Interp *interp,
4012   int objc,
4013   Tcl_Obj *CONST objv[]
4014 ){
4015   sqlite3_stmt *pStmt;
4016   int rc;
4017 
4018   if( objc!=2 ){
4019     Tcl_AppendResult(interp, "wrong # args: should be \"",
4020        Tcl_GetString(objv[0]), " STMT", 0);
4021     return TCL_ERROR;
4022   }
4023 
4024   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4025   rc = sqlite3_step(pStmt);
4026 
4027   /* if( rc!=SQLITE_DONE && rc!=SQLITE_ROW ) return TCL_ERROR; */
4028   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
4029   return TCL_OK;
4030 }
4031 
4032 static int test_sql(
4033   void * clientData,
4034   Tcl_Interp *interp,
4035   int objc,
4036   Tcl_Obj *CONST objv[]
4037 ){
4038   sqlite3_stmt *pStmt;
4039 
4040   if( objc!=2 ){
4041     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
4042     return TCL_ERROR;
4043   }
4044 
4045   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4046   Tcl_SetResult(interp, (char *)sqlite3_sql(pStmt), TCL_VOLATILE);
4047   return TCL_OK;
4048 }
4049 
4050 /*
4051 ** Usage: sqlite3_column_count STMT
4052 **
4053 ** Return the number of columns returned by the sql statement STMT.
4054 */
4055 static int test_column_count(
4056   void * clientData,
4057   Tcl_Interp *interp,
4058   int objc,
4059   Tcl_Obj *CONST objv[]
4060 ){
4061   sqlite3_stmt *pStmt;
4062 
4063   if( objc!=2 ){
4064     Tcl_AppendResult(interp, "wrong # args: should be \"",
4065        Tcl_GetString(objv[0]), " STMT column", 0);
4066     return TCL_ERROR;
4067   }
4068 
4069   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4070 
4071   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_column_count(pStmt)));
4072   return TCL_OK;
4073 }
4074 
4075 /*
4076 ** Usage: sqlite3_column_type STMT column
4077 **
4078 ** Return the type of the data in column 'column' of the current row.
4079 */
4080 static int test_column_type(
4081   void * clientData,
4082   Tcl_Interp *interp,
4083   int objc,
4084   Tcl_Obj *CONST objv[]
4085 ){
4086   sqlite3_stmt *pStmt;
4087   int col;
4088   int tp;
4089 
4090   if( objc!=3 ){
4091     Tcl_AppendResult(interp, "wrong # args: should be \"",
4092        Tcl_GetString(objv[0]), " STMT column", 0);
4093     return TCL_ERROR;
4094   }
4095 
4096   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4097   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4098 
4099   tp = sqlite3_column_type(pStmt, col);
4100   switch( tp ){
4101     case SQLITE_INTEGER:
4102       Tcl_SetResult(interp, "INTEGER", TCL_STATIC);
4103       break;
4104     case SQLITE_NULL:
4105       Tcl_SetResult(interp, "NULL", TCL_STATIC);
4106       break;
4107     case SQLITE_FLOAT:
4108       Tcl_SetResult(interp, "FLOAT", TCL_STATIC);
4109       break;
4110     case SQLITE_TEXT:
4111       Tcl_SetResult(interp, "TEXT", TCL_STATIC);
4112       break;
4113     case SQLITE_BLOB:
4114       Tcl_SetResult(interp, "BLOB", TCL_STATIC);
4115       break;
4116     default:
4117       assert(0);
4118   }
4119 
4120   return TCL_OK;
4121 }
4122 
4123 /*
4124 ** Usage: sqlite3_column_int64 STMT column
4125 **
4126 ** Return the data in column 'column' of the current row cast as an
4127 ** wide (64-bit) integer.
4128 */
4129 static int test_column_int64(
4130   void * clientData,
4131   Tcl_Interp *interp,
4132   int objc,
4133   Tcl_Obj *CONST objv[]
4134 ){
4135   sqlite3_stmt *pStmt;
4136   int col;
4137   i64 iVal;
4138 
4139   if( objc!=3 ){
4140     Tcl_AppendResult(interp, "wrong # args: should be \"",
4141        Tcl_GetString(objv[0]), " STMT column", 0);
4142     return TCL_ERROR;
4143   }
4144 
4145   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4146   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4147 
4148   iVal = sqlite3_column_int64(pStmt, col);
4149   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(iVal));
4150   return TCL_OK;
4151 }
4152 
4153 /*
4154 ** Usage: sqlite3_column_blob STMT column
4155 */
4156 static int test_column_blob(
4157   void * clientData,
4158   Tcl_Interp *interp,
4159   int objc,
4160   Tcl_Obj *CONST objv[]
4161 ){
4162   sqlite3_stmt *pStmt;
4163   int col;
4164 
4165   int len;
4166   const void *pBlob;
4167 
4168   if( objc!=3 ){
4169     Tcl_AppendResult(interp, "wrong # args: should be \"",
4170        Tcl_GetString(objv[0]), " STMT column", 0);
4171     return TCL_ERROR;
4172   }
4173 
4174   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4175   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4176 
4177   len = sqlite3_column_bytes(pStmt, col);
4178   pBlob = sqlite3_column_blob(pStmt, col);
4179   Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(pBlob, len));
4180   return TCL_OK;
4181 }
4182 
4183 /*
4184 ** Usage: sqlite3_column_double STMT column
4185 **
4186 ** Return the data in column 'column' of the current row cast as a double.
4187 */
4188 static int test_column_double(
4189   void * clientData,
4190   Tcl_Interp *interp,
4191   int objc,
4192   Tcl_Obj *CONST objv[]
4193 ){
4194   sqlite3_stmt *pStmt;
4195   int col;
4196   double rVal;
4197 
4198   if( objc!=3 ){
4199     Tcl_AppendResult(interp, "wrong # args: should be \"",
4200        Tcl_GetString(objv[0]), " STMT column", 0);
4201     return TCL_ERROR;
4202   }
4203 
4204   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4205   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4206 
4207   rVal = sqlite3_column_double(pStmt, col);
4208   Tcl_SetObjResult(interp, Tcl_NewDoubleObj(rVal));
4209   return TCL_OK;
4210 }
4211 
4212 /*
4213 ** Usage: sqlite3_data_count STMT
4214 **
4215 ** Return the number of columns returned by the sql statement STMT.
4216 */
4217 static int test_data_count(
4218   void * clientData,
4219   Tcl_Interp *interp,
4220   int objc,
4221   Tcl_Obj *CONST objv[]
4222 ){
4223   sqlite3_stmt *pStmt;
4224 
4225   if( objc!=2 ){
4226     Tcl_AppendResult(interp, "wrong # args: should be \"",
4227        Tcl_GetString(objv[0]), " STMT column", 0);
4228     return TCL_ERROR;
4229   }
4230 
4231   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4232 
4233   Tcl_SetObjResult(interp, Tcl_NewIntObj(sqlite3_data_count(pStmt)));
4234   return TCL_OK;
4235 }
4236 
4237 /*
4238 ** Usage: sqlite3_column_text STMT column
4239 **
4240 ** Usage: sqlite3_column_decltype STMT column
4241 **
4242 ** Usage: sqlite3_column_name STMT column
4243 */
4244 static int test_stmt_utf8(
4245   void * clientData,        /* Pointer to SQLite API function to be invoke */
4246   Tcl_Interp *interp,
4247   int objc,
4248   Tcl_Obj *CONST objv[]
4249 ){
4250   sqlite3_stmt *pStmt;
4251   int col;
4252   const char *(*xFunc)(sqlite3_stmt*, int);
4253   const char *zRet;
4254 
4255   xFunc = (const char *(*)(sqlite3_stmt*, int))clientData;
4256   if( objc!=3 ){
4257     Tcl_AppendResult(interp, "wrong # args: should be \"",
4258        Tcl_GetString(objv[0]), " STMT column", 0);
4259     return TCL_ERROR;
4260   }
4261 
4262   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4263   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4264   zRet = xFunc(pStmt, col);
4265   if( zRet ){
4266     Tcl_SetResult(interp, (char *)zRet, 0);
4267   }
4268   return TCL_OK;
4269 }
4270 
4271 static int test_global_recover(
4272   void * clientData,
4273   Tcl_Interp *interp,
4274   int objc,
4275   Tcl_Obj *CONST objv[]
4276 ){
4277 #ifndef SQLITE_OMIT_DEPRECATED
4278   int rc;
4279   if( objc!=1 ){
4280     Tcl_WrongNumArgs(interp, 1, objv, "");
4281     return TCL_ERROR;
4282   }
4283   rc = sqlite3_global_recover();
4284   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
4285 #endif
4286   return TCL_OK;
4287 }
4288 
4289 /*
4290 ** Usage: sqlite3_column_text STMT column
4291 **
4292 ** Usage: sqlite3_column_decltype STMT column
4293 **
4294 ** Usage: sqlite3_column_name STMT column
4295 */
4296 static int test_stmt_utf16(
4297   void * clientData,     /* Pointer to SQLite API function to be invoked */
4298   Tcl_Interp *interp,
4299   int objc,
4300   Tcl_Obj *CONST objv[]
4301 ){
4302 #ifndef SQLITE_OMIT_UTF16
4303   sqlite3_stmt *pStmt;
4304   int col;
4305   Tcl_Obj *pRet;
4306   const void *zName16;
4307   const void *(*xFunc)(sqlite3_stmt*, int);
4308 
4309   xFunc = (const void *(*)(sqlite3_stmt*, int))clientData;
4310   if( objc!=3 ){
4311     Tcl_AppendResult(interp, "wrong # args: should be \"",
4312        Tcl_GetString(objv[0]), " STMT column", 0);
4313     return TCL_ERROR;
4314   }
4315 
4316   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4317   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4318 
4319   zName16 = xFunc(pStmt, col);
4320   if( zName16 ){
4321     int n;
4322     const char *z = zName16;
4323     for(n=0; z[n] || z[n+1]; n+=2){}
4324     pRet = Tcl_NewByteArrayObj(zName16, n+2);
4325     Tcl_SetObjResult(interp, pRet);
4326   }
4327 #endif /* SQLITE_OMIT_UTF16 */
4328 
4329   return TCL_OK;
4330 }
4331 
4332 /*
4333 ** Usage: sqlite3_column_int STMT column
4334 **
4335 ** Usage: sqlite3_column_bytes STMT column
4336 **
4337 ** Usage: sqlite3_column_bytes16 STMT column
4338 **
4339 */
4340 static int test_stmt_int(
4341   void * clientData,    /* Pointer to SQLite API function to be invoked */
4342   Tcl_Interp *interp,
4343   int objc,
4344   Tcl_Obj *CONST objv[]
4345 ){
4346   sqlite3_stmt *pStmt;
4347   int col;
4348   int (*xFunc)(sqlite3_stmt*, int);
4349 
4350   xFunc = (int (*)(sqlite3_stmt*, int))clientData;
4351   if( objc!=3 ){
4352     Tcl_AppendResult(interp, "wrong # args: should be \"",
4353        Tcl_GetString(objv[0]), " STMT column", 0);
4354     return TCL_ERROR;
4355   }
4356 
4357   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
4358   if( Tcl_GetIntFromObj(interp, objv[2], &col) ) return TCL_ERROR;
4359 
4360   Tcl_SetObjResult(interp, Tcl_NewIntObj(xFunc(pStmt, col)));
4361   return TCL_OK;
4362 }
4363 
4364 /*
4365 ** Usage:  sqlite_set_magic  DB  MAGIC-NUMBER
4366 **
4367 ** Set the db->magic value.  This is used to test error recovery logic.
4368 */
4369 static int sqlite_set_magic(
4370   void * clientData,
4371   Tcl_Interp *interp,
4372   int argc,
4373   char **argv
4374 ){
4375   sqlite3 *db;
4376   if( argc!=3 ){
4377     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4378          " DB MAGIC", 0);
4379     return TCL_ERROR;
4380   }
4381   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4382   if( strcmp(argv[2], "SQLITE_MAGIC_OPEN")==0 ){
4383     db->magic = SQLITE_MAGIC_OPEN;
4384   }else if( strcmp(argv[2], "SQLITE_MAGIC_CLOSED")==0 ){
4385     db->magic = SQLITE_MAGIC_CLOSED;
4386   }else if( strcmp(argv[2], "SQLITE_MAGIC_BUSY")==0 ){
4387     db->magic = SQLITE_MAGIC_BUSY;
4388   }else if( strcmp(argv[2], "SQLITE_MAGIC_ERROR")==0 ){
4389     db->magic = SQLITE_MAGIC_ERROR;
4390   }else if( Tcl_GetInt(interp, argv[2], (int*)&db->magic) ){
4391     return TCL_ERROR;
4392   }
4393   return TCL_OK;
4394 }
4395 
4396 /*
4397 ** Usage:  sqlite3_interrupt  DB
4398 **
4399 ** Trigger an interrupt on DB
4400 */
4401 static int test_interrupt(
4402   void * clientData,
4403   Tcl_Interp *interp,
4404   int argc,
4405   char **argv
4406 ){
4407   sqlite3 *db;
4408   if( argc!=2 ){
4409     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0], " DB", 0);
4410     return TCL_ERROR;
4411   }
4412   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4413   sqlite3_interrupt(db);
4414   return TCL_OK;
4415 }
4416 
4417 static u8 *sqlite3_stack_baseline = 0;
4418 
4419 /*
4420 ** Fill the stack with a known bitpattern.
4421 */
4422 static void prepStack(void){
4423   int i;
4424   u32 bigBuf[65536];
4425   for(i=0; i<sizeof(bigBuf)/sizeof(bigBuf[0]); i++) bigBuf[i] = 0xdeadbeef;
4426   sqlite3_stack_baseline = (u8*)&bigBuf[65536];
4427 }
4428 
4429 /*
4430 ** Get the current stack depth.  Used for debugging only.
4431 */
4432 u64 sqlite3StackDepth(void){
4433   u8 x;
4434   return (u64)(sqlite3_stack_baseline - &x);
4435 }
4436 
4437 /*
4438 ** Usage:  sqlite3_stack_used DB SQL
4439 **
4440 ** Try to measure the amount of stack space used by a call to sqlite3_exec
4441 */
4442 static int test_stack_used(
4443   void * clientData,
4444   Tcl_Interp *interp,
4445   int argc,
4446   char **argv
4447 ){
4448   sqlite3 *db;
4449   int i;
4450   if( argc!=3 ){
4451     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4452         " DB SQL", 0);
4453     return TCL_ERROR;
4454   }
4455   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4456   prepStack();
4457   (void)sqlite3_exec(db, argv[2], 0, 0, 0);
4458   for(i=65535; i>=0 && ((u32*)sqlite3_stack_baseline)[-i]==0xdeadbeef; i--){}
4459   Tcl_SetObjResult(interp, Tcl_NewIntObj(i*4));
4460   return TCL_OK;
4461 }
4462 
4463 /*
4464 ** Usage: sqlite_delete_function DB function-name
4465 **
4466 ** Delete the user function 'function-name' from database handle DB. It
4467 ** is assumed that the user function was created as UTF8, any number of
4468 ** arguments (the way the TCL interface does it).
4469 */
4470 static int delete_function(
4471   void * clientData,
4472   Tcl_Interp *interp,
4473   int argc,
4474   char **argv
4475 ){
4476   int rc;
4477   sqlite3 *db;
4478   if( argc!=3 ){
4479     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4480         " DB function-name", 0);
4481     return TCL_ERROR;
4482   }
4483   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4484   rc = sqlite3_create_function(db, argv[2], -1, SQLITE_UTF8, 0, 0, 0, 0);
4485   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
4486   return TCL_OK;
4487 }
4488 
4489 /*
4490 ** Usage: sqlite_delete_collation DB collation-name
4491 **
4492 ** Delete the collation sequence 'collation-name' from database handle
4493 ** DB. It is assumed that the collation sequence was created as UTF8 (the
4494 ** way the TCL interface does it).
4495 */
4496 static int delete_collation(
4497   void * clientData,
4498   Tcl_Interp *interp,
4499   int argc,
4500   char **argv
4501 ){
4502   int rc;
4503   sqlite3 *db;
4504   if( argc!=3 ){
4505     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4506         " DB function-name", 0);
4507     return TCL_ERROR;
4508   }
4509   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4510   rc = sqlite3_create_collation(db, argv[2], SQLITE_UTF8, 0, 0);
4511   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
4512   return TCL_OK;
4513 }
4514 
4515 /*
4516 ** Usage: sqlite3_get_autocommit DB
4517 **
4518 ** Return true if the database DB is currently in auto-commit mode.
4519 ** Return false if not.
4520 */
4521 static int get_autocommit(
4522   void * clientData,
4523   Tcl_Interp *interp,
4524   int argc,
4525   char **argv
4526 ){
4527   char zBuf[30];
4528   sqlite3 *db;
4529   if( argc!=2 ){
4530     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4531         " DB", 0);
4532     return TCL_ERROR;
4533   }
4534   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4535   sprintf(zBuf, "%d", sqlite3_get_autocommit(db));
4536   Tcl_AppendResult(interp, zBuf, 0);
4537   return TCL_OK;
4538 }
4539 
4540 /*
4541 ** Usage: sqlite3_busy_timeout DB MS
4542 **
4543 ** Set the busy timeout.  This is more easily done using the timeout
4544 ** method of the TCL interface.  But we need a way to test the case
4545 ** where it returns SQLITE_MISUSE.
4546 */
4547 static int test_busy_timeout(
4548   void * clientData,
4549   Tcl_Interp *interp,
4550   int argc,
4551   char **argv
4552 ){
4553   int rc, ms;
4554   sqlite3 *db;
4555   if( argc!=3 ){
4556     Tcl_AppendResult(interp, "wrong # args: should be \"", argv[0],
4557         " DB", 0);
4558     return TCL_ERROR;
4559   }
4560   if( getDbPointer(interp, argv[1], &db) ) return TCL_ERROR;
4561   if( Tcl_GetInt(interp, argv[2], &ms) ) return TCL_ERROR;
4562   rc = sqlite3_busy_timeout(db, ms);
4563   Tcl_AppendResult(interp, sqlite3TestErrorName(rc), 0);
4564   return TCL_OK;
4565 }
4566 
4567 /*
4568 ** Usage:  tcl_variable_type VARIABLENAME
4569 **
4570 ** Return the name of the internal representation for the
4571 ** value of the given variable.
4572 */
4573 static int tcl_variable_type(
4574   void * clientData,
4575   Tcl_Interp *interp,
4576   int objc,
4577   Tcl_Obj *CONST objv[]
4578 ){
4579   Tcl_Obj *pVar;
4580   if( objc!=2 ){
4581     Tcl_WrongNumArgs(interp, 1, objv, "VARIABLE");
4582     return TCL_ERROR;
4583   }
4584   pVar = Tcl_GetVar2Ex(interp, Tcl_GetString(objv[1]), 0, TCL_LEAVE_ERR_MSG);
4585   if( pVar==0 ) return TCL_ERROR;
4586   if( pVar->typePtr ){
4587     Tcl_SetObjResult(interp, Tcl_NewStringObj(pVar->typePtr->name, -1));
4588   }
4589   return TCL_OK;
4590 }
4591 
4592 /*
4593 ** Usage:  sqlite3_release_memory ?N?
4594 **
4595 ** Attempt to release memory currently held but not actually required.
4596 ** The integer N is the number of bytes we are trying to release.  The
4597 ** return value is the amount of memory actually released.
4598 */
4599 static int test_release_memory(
4600   void * clientData,
4601   Tcl_Interp *interp,
4602   int objc,
4603   Tcl_Obj *CONST objv[]
4604 ){
4605 #if defined(SQLITE_ENABLE_MEMORY_MANAGEMENT) && !defined(SQLITE_OMIT_DISKIO)
4606   int N;
4607   int amt;
4608   if( objc!=1 && objc!=2 ){
4609     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
4610     return TCL_ERROR;
4611   }
4612   if( objc==2 ){
4613     if( Tcl_GetIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
4614   }else{
4615     N = -1;
4616   }
4617   amt = sqlite3_release_memory(N);
4618   Tcl_SetObjResult(interp, Tcl_NewIntObj(amt));
4619 #endif
4620   return TCL_OK;
4621 }
4622 
4623 
4624 /*
4625 ** Usage:  sqlite3_db_release_memory DB
4626 **
4627 ** Attempt to release memory currently held by database DB.  Return the
4628 ** result code (which in the current implementation is always zero).
4629 */
4630 static int test_db_release_memory(
4631   void * clientData,
4632   Tcl_Interp *interp,
4633   int objc,
4634   Tcl_Obj *CONST objv[]
4635 ){
4636   sqlite3 *db;
4637   int rc;
4638   if( objc!=2 ){
4639     Tcl_WrongNumArgs(interp, 1, objv, "DB");
4640     return TCL_ERROR;
4641   }
4642   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4643   rc = sqlite3_db_release_memory(db);
4644   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
4645   return TCL_OK;
4646 }
4647 
4648 /*
4649 ** Usage:  sqlite3_db_filename DB DBNAME
4650 **
4651 ** Return the name of a file associated with a database.
4652 */
4653 static int test_db_filename(
4654   void * clientData,
4655   Tcl_Interp *interp,
4656   int objc,
4657   Tcl_Obj *CONST objv[]
4658 ){
4659   sqlite3 *db;
4660   const char *zDbName;
4661   if( objc!=3 ){
4662     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME");
4663     return TCL_ERROR;
4664   }
4665   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4666   zDbName = Tcl_GetString(objv[2]);
4667   Tcl_AppendResult(interp, sqlite3_db_filename(db, zDbName), (void*)0);
4668   return TCL_OK;
4669 }
4670 
4671 /*
4672 ** Usage:  sqlite3_soft_heap_limit ?N?
4673 **
4674 ** Query or set the soft heap limit for the current thread.  The
4675 ** limit is only changed if the N is present.  The previous limit
4676 ** is returned.
4677 */
4678 static int test_soft_heap_limit(
4679   void * clientData,
4680   Tcl_Interp *interp,
4681   int objc,
4682   Tcl_Obj *CONST objv[]
4683 ){
4684   sqlite3_int64 amt;
4685   sqlite3_int64 N = -1;
4686   if( objc!=1 && objc!=2 ){
4687     Tcl_WrongNumArgs(interp, 1, objv, "?N?");
4688     return TCL_ERROR;
4689   }
4690   if( objc==2 ){
4691     if( Tcl_GetWideIntFromObj(interp, objv[1], &N) ) return TCL_ERROR;
4692   }
4693   amt = sqlite3_soft_heap_limit64(N);
4694   Tcl_SetObjResult(interp, Tcl_NewWideIntObj(amt));
4695   return TCL_OK;
4696 }
4697 
4698 /*
4699 ** Usage:   sqlite3_thread_cleanup
4700 **
4701 ** Call the sqlite3_thread_cleanup API.
4702 */
4703 static int test_thread_cleanup(
4704   void * clientData,
4705   Tcl_Interp *interp,
4706   int objc,
4707   Tcl_Obj *CONST objv[]
4708 ){
4709 #ifndef SQLITE_OMIT_DEPRECATED
4710   sqlite3_thread_cleanup();
4711 #endif
4712   return TCL_OK;
4713 }
4714 
4715 /*
4716 ** Usage:   sqlite3_pager_refcounts  DB
4717 **
4718 ** Return a list of numbers which are the PagerRefcount for all
4719 ** pagers on each database connection.
4720 */
4721 static int test_pager_refcounts(
4722   void * clientData,
4723   Tcl_Interp *interp,
4724   int objc,
4725   Tcl_Obj *CONST objv[]
4726 ){
4727   sqlite3 *db;
4728   int i;
4729   int v, *a;
4730   Tcl_Obj *pResult;
4731 
4732   if( objc!=2 ){
4733     Tcl_AppendResult(interp, "wrong # args: should be \"",
4734         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
4735     return TCL_ERROR;
4736   }
4737   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4738   pResult = Tcl_NewObj();
4739   for(i=0; i<db->nDb; i++){
4740     if( db->aDb[i].pBt==0 ){
4741       v = -1;
4742     }else{
4743       sqlite3_mutex_enter(db->mutex);
4744       a = sqlite3PagerStats(sqlite3BtreePager(db->aDb[i].pBt));
4745       v = a[0];
4746       sqlite3_mutex_leave(db->mutex);
4747     }
4748     Tcl_ListObjAppendElement(0, pResult, Tcl_NewIntObj(v));
4749   }
4750   Tcl_SetObjResult(interp, pResult);
4751   return TCL_OK;
4752 }
4753 
4754 
4755 /*
4756 ** tclcmd:   working_64bit_int
4757 **
4758 ** Some TCL builds (ex: cygwin) do not support 64-bit integers.  This
4759 ** leads to a number of test failures.  The present command checks the
4760 ** TCL build to see whether or not it supports 64-bit integers.  It
4761 ** returns TRUE if it does and FALSE if not.
4762 **
4763 ** This command is used to warn users that their TCL build is defective
4764 ** and that the errors they are seeing in the test scripts might be
4765 ** a result of their defective TCL rather than problems in SQLite.
4766 */
4767 static int working_64bit_int(
4768   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4769   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4770   int objc,              /* Number of arguments */
4771   Tcl_Obj *CONST objv[]  /* Command arguments */
4772 ){
4773   Tcl_Obj *pTestObj;
4774   int working = 0;
4775 
4776   pTestObj = Tcl_NewWideIntObj(1000000*(i64)1234567890);
4777   working = strcmp(Tcl_GetString(pTestObj), "1234567890000000")==0;
4778   Tcl_DecrRefCount(pTestObj);
4779   Tcl_SetObjResult(interp, Tcl_NewBooleanObj(working));
4780   return TCL_OK;
4781 }
4782 
4783 
4784 /*
4785 ** tclcmd:   vfs_unlink_test
4786 **
4787 ** This TCL command unregisters the primary VFS and then registers
4788 ** it back again.  This is used to test the ability to register a
4789 ** VFS when none are previously registered, and the ability to
4790 ** unregister the only available VFS.  Ticket #2738
4791 */
4792 static int vfs_unlink_test(
4793   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4794   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4795   int objc,              /* Number of arguments */
4796   Tcl_Obj *CONST objv[]  /* Command arguments */
4797 ){
4798   int i;
4799   sqlite3_vfs *pMain;
4800   sqlite3_vfs *apVfs[20];
4801   sqlite3_vfs one, two;
4802 
4803   sqlite3_vfs_unregister(0);   /* Unregister of NULL is harmless */
4804   one.zName = "__one";
4805   two.zName = "__two";
4806 
4807   /* Calling sqlite3_vfs_register with 2nd argument of 0 does not
4808   ** change the default VFS
4809   */
4810   pMain = sqlite3_vfs_find(0);
4811   sqlite3_vfs_register(&one, 0);
4812   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
4813   sqlite3_vfs_register(&two, 0);
4814   assert( pMain==0 || pMain==sqlite3_vfs_find(0) );
4815 
4816   /* We can find a VFS by its name */
4817   assert( sqlite3_vfs_find("__one")==&one );
4818   assert( sqlite3_vfs_find("__two")==&two );
4819 
4820   /* Calling sqlite_vfs_register with non-zero second parameter changes the
4821   ** default VFS, even if the 1st parameter is an existig VFS that is
4822   ** previously registered as the non-default.
4823   */
4824   sqlite3_vfs_register(&one, 1);
4825   assert( sqlite3_vfs_find("__one")==&one );
4826   assert( sqlite3_vfs_find("__two")==&two );
4827   assert( sqlite3_vfs_find(0)==&one );
4828   sqlite3_vfs_register(&two, 1);
4829   assert( sqlite3_vfs_find("__one")==&one );
4830   assert( sqlite3_vfs_find("__two")==&two );
4831   assert( sqlite3_vfs_find(0)==&two );
4832   if( pMain ){
4833     sqlite3_vfs_register(pMain, 1);
4834     assert( sqlite3_vfs_find("__one")==&one );
4835     assert( sqlite3_vfs_find("__two")==&two );
4836     assert( sqlite3_vfs_find(0)==pMain );
4837   }
4838 
4839   /* Unlink the default VFS.  Repeat until there are no more VFSes
4840   ** registered.
4841   */
4842   for(i=0; i<sizeof(apVfs)/sizeof(apVfs[0]); i++){
4843     apVfs[i] = sqlite3_vfs_find(0);
4844     if( apVfs[i] ){
4845       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
4846       sqlite3_vfs_unregister(apVfs[i]);
4847       assert( 0==sqlite3_vfs_find(apVfs[i]->zName) );
4848     }
4849   }
4850   assert( 0==sqlite3_vfs_find(0) );
4851 
4852   /* Register the main VFS as non-default (will be made default, since
4853   ** it'll be the only one in existence).
4854   */
4855   sqlite3_vfs_register(pMain, 0);
4856   assert( sqlite3_vfs_find(0)==pMain );
4857 
4858   /* Un-register the main VFS again to restore an empty VFS list */
4859   sqlite3_vfs_unregister(pMain);
4860   assert( 0==sqlite3_vfs_find(0) );
4861 
4862   /* Relink all VFSes in reverse order. */
4863   for(i=sizeof(apVfs)/sizeof(apVfs[0])-1; i>=0; i--){
4864     if( apVfs[i] ){
4865       sqlite3_vfs_register(apVfs[i], 1);
4866       assert( apVfs[i]==sqlite3_vfs_find(0) );
4867       assert( apVfs[i]==sqlite3_vfs_find(apVfs[i]->zName) );
4868     }
4869   }
4870 
4871   /* Unregister out sample VFSes. */
4872   sqlite3_vfs_unregister(&one);
4873   sqlite3_vfs_unregister(&two);
4874 
4875   /* Unregistering a VFS that is not currently registered is harmless */
4876   sqlite3_vfs_unregister(&one);
4877   sqlite3_vfs_unregister(&two);
4878   assert( sqlite3_vfs_find("__one")==0 );
4879   assert( sqlite3_vfs_find("__two")==0 );
4880 
4881   /* We should be left with the original default VFS back as the
4882   ** original */
4883   assert( sqlite3_vfs_find(0)==pMain );
4884 
4885   return TCL_OK;
4886 }
4887 
4888 /*
4889 ** tclcmd:   vfs_initfail_test
4890 **
4891 ** This TCL command attempts to vfs_find and vfs_register when the
4892 ** sqlite3_initialize() interface is failing.  All calls should fail.
4893 */
4894 static int vfs_initfail_test(
4895   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4896   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4897   int objc,              /* Number of arguments */
4898   Tcl_Obj *CONST objv[]  /* Command arguments */
4899 ){
4900   sqlite3_vfs one;
4901   one.zName = "__one";
4902 
4903   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
4904   sqlite3_vfs_register(&one, 0);
4905   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
4906   sqlite3_vfs_register(&one, 1);
4907   if( sqlite3_vfs_find(0) ) return TCL_ERROR;
4908   return TCL_OK;
4909 }
4910 
4911 /*
4912 ** Saved VFSes
4913 */
4914 static sqlite3_vfs *apVfs[20];
4915 static int nVfs = 0;
4916 
4917 /*
4918 ** tclcmd:   vfs_unregister_all
4919 **
4920 ** Unregister all VFSes.
4921 */
4922 static int vfs_unregister_all(
4923   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4924   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4925   int objc,              /* Number of arguments */
4926   Tcl_Obj *CONST objv[]  /* Command arguments */
4927 ){
4928   int i;
4929   for(i=0; i<ArraySize(apVfs); i++){
4930     apVfs[i] = sqlite3_vfs_find(0);
4931     if( apVfs[i]==0 ) break;
4932     sqlite3_vfs_unregister(apVfs[i]);
4933   }
4934   nVfs = i;
4935   return TCL_OK;
4936 }
4937 /*
4938 ** tclcmd:   vfs_reregister_all
4939 **
4940 ** Restore all VFSes that were removed using vfs_unregister_all
4941 */
4942 static int vfs_reregister_all(
4943   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4944   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4945   int objc,              /* Number of arguments */
4946   Tcl_Obj *CONST objv[]  /* Command arguments */
4947 ){
4948   int i;
4949   for(i=0; i<nVfs; i++){
4950     sqlite3_vfs_register(apVfs[i], i==0);
4951   }
4952   return TCL_OK;
4953 }
4954 
4955 
4956 /*
4957 ** tclcmd:   file_control_test DB
4958 **
4959 ** This TCL command runs the sqlite3_file_control interface and
4960 ** verifies correct operation of the same.
4961 */
4962 static int file_control_test(
4963   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4964   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
4965   int objc,              /* Number of arguments */
4966   Tcl_Obj *CONST objv[]  /* Command arguments */
4967 ){
4968   int iArg = 0;
4969   sqlite3 *db;
4970   int rc;
4971 
4972   if( objc!=2 ){
4973     Tcl_AppendResult(interp, "wrong # args: should be \"",
4974         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
4975     return TCL_ERROR;
4976   }
4977   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
4978   rc = sqlite3_file_control(db, 0, 0, &iArg);
4979   assert( rc==SQLITE_NOTFOUND );
4980   rc = sqlite3_file_control(db, "notadatabase", SQLITE_FCNTL_LOCKSTATE, &iArg);
4981   assert( rc==SQLITE_ERROR );
4982   rc = sqlite3_file_control(db, "main", -1, &iArg);
4983   assert( rc==SQLITE_NOTFOUND );
4984   rc = sqlite3_file_control(db, "temp", -1, &iArg);
4985   assert( rc==SQLITE_NOTFOUND || rc==SQLITE_ERROR );
4986 
4987   return TCL_OK;
4988 }
4989 
4990 
4991 /*
4992 ** tclcmd:   file_control_lasterrno_test DB
4993 **
4994 ** This TCL command runs the sqlite3_file_control interface and
4995 ** verifies correct operation of the SQLITE_LAST_ERRNO verb.
4996 */
4997 static int file_control_lasterrno_test(
4998   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
4999   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5000   int objc,              /* Number of arguments */
5001   Tcl_Obj *CONST objv[]  /* Command arguments */
5002 ){
5003   int iArg = 0;
5004   sqlite3 *db;
5005   int rc;
5006 
5007   if( objc!=2 ){
5008     Tcl_AppendResult(interp, "wrong # args: should be \"",
5009         Tcl_GetStringFromObj(objv[0], 0), " DB", 0);
5010     return TCL_ERROR;
5011   }
5012   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5013     return TCL_ERROR;
5014   }
5015   rc = sqlite3_file_control(db, NULL, SQLITE_LAST_ERRNO, &iArg);
5016   if( rc ){
5017     Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5018     return TCL_ERROR;
5019   }
5020   if( iArg!=0 ) {
5021     Tcl_AppendResult(interp, "Unexpected non-zero errno: ",
5022                      Tcl_GetStringFromObj(Tcl_NewIntObj(iArg), 0), " ", 0);
5023     return TCL_ERROR;
5024   }
5025   return TCL_OK;
5026 }
5027 
5028 /*
5029 ** tclcmd:   file_control_chunksize_test DB DBNAME SIZE
5030 **
5031 ** This TCL command runs the sqlite3_file_control interface and
5032 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
5033 ** SQLITE_SET_LOCKPROXYFILE verbs.
5034 */
5035 static int file_control_chunksize_test(
5036   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5037   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5038   int objc,              /* Number of arguments */
5039   Tcl_Obj *CONST objv[]  /* Command arguments */
5040 ){
5041   int nSize;                      /* New chunk size */
5042   char *zDb;                      /* Db name ("main", "temp" etc.) */
5043   sqlite3 *db;                    /* Database handle */
5044   int rc;                         /* file_control() return code */
5045 
5046   if( objc!=4 ){
5047     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
5048     return TCL_ERROR;
5049   }
5050   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
5051    || Tcl_GetIntFromObj(interp, objv[3], &nSize)
5052   ){
5053    return TCL_ERROR;
5054   }
5055   zDb = Tcl_GetString(objv[2]);
5056   if( zDb[0]=='\0' ) zDb = NULL;
5057 
5058   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_CHUNK_SIZE, (void *)&nSize);
5059   if( rc ){
5060     Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
5061     return TCL_ERROR;
5062   }
5063   return TCL_OK;
5064 }
5065 
5066 /*
5067 ** tclcmd:   file_control_sizehint_test DB DBNAME SIZE
5068 **
5069 ** This TCL command runs the sqlite3_file_control interface
5070 ** with SQLITE_FCNTL_SIZE_HINT
5071 */
5072 static int file_control_sizehint_test(
5073   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5074   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5075   int objc,              /* Number of arguments */
5076   Tcl_Obj *CONST objv[]  /* Command arguments */
5077 ){
5078   sqlite3_int64 nSize;            /* Hinted size */
5079   char *zDb;                      /* Db name ("main", "temp" etc.) */
5080   sqlite3 *db;                    /* Database handle */
5081   int rc;                         /* file_control() return code */
5082 
5083   if( objc!=4 ){
5084     Tcl_WrongNumArgs(interp, 1, objv, "DB DBNAME SIZE");
5085     return TCL_ERROR;
5086   }
5087   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
5088    || Tcl_GetWideIntFromObj(interp, objv[3], &nSize)
5089   ){
5090    return TCL_ERROR;
5091   }
5092   zDb = Tcl_GetString(objv[2]);
5093   if( zDb[0]=='\0' ) zDb = NULL;
5094 
5095   rc = sqlite3_file_control(db, zDb, SQLITE_FCNTL_SIZE_HINT, (void *)&nSize);
5096   if( rc ){
5097     Tcl_SetResult(interp, (char *)sqlite3TestErrorName(rc), TCL_STATIC);
5098     return TCL_ERROR;
5099   }
5100   return TCL_OK;
5101 }
5102 
5103 /*
5104 ** tclcmd:   file_control_lockproxy_test DB PWD
5105 **
5106 ** This TCL command runs the sqlite3_file_control interface and
5107 ** verifies correct operation of the SQLITE_GET_LOCKPROXYFILE and
5108 ** SQLITE_SET_LOCKPROXYFILE verbs.
5109 */
5110 static int file_control_lockproxy_test(
5111   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5112   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5113   int objc,              /* Number of arguments */
5114   Tcl_Obj *CONST objv[]  /* Command arguments */
5115 ){
5116   sqlite3 *db;
5117   const char *zPwd;
5118   int nPwd;
5119 
5120   if( objc!=3 ){
5121     Tcl_AppendResult(interp, "wrong # args: should be \"",
5122                      Tcl_GetStringFromObj(objv[0], 0), " DB PWD", 0);
5123     return TCL_ERROR;
5124   }
5125   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5126    return TCL_ERROR;
5127   }
5128   zPwd = Tcl_GetStringFromObj(objv[2], &nPwd);
5129 
5130 #if !defined(SQLITE_ENABLE_LOCKING_STYLE)
5131 #  if defined(__APPLE__)
5132 #    define SQLITE_ENABLE_LOCKING_STYLE 1
5133 #  else
5134 #    define SQLITE_ENABLE_LOCKING_STYLE 0
5135 #  endif
5136 #endif
5137 #if SQLITE_ENABLE_LOCKING_STYLE && defined(__APPLE__)
5138   {
5139     char *testPath;
5140     int rc;
5141     char proxyPath[400];
5142 
5143     if( sizeof(proxyPath)<nPwd+20 ){
5144       Tcl_AppendResult(interp, "PWD too big", (void*)0);
5145       return TCL_ERROR;
5146     }
5147     sprintf(proxyPath, "%s/test.proxy", zPwd);
5148     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
5149     if( rc ){
5150       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5151       return TCL_ERROR;
5152     }
5153     rc = sqlite3_file_control(db, NULL, SQLITE_GET_LOCKPROXYFILE, &testPath);
5154     if( strncmp(proxyPath,testPath,11) ){
5155       Tcl_AppendResult(interp, "Lock proxy file did not match the "
5156                                "previously assigned value", 0);
5157       return TCL_ERROR;
5158     }
5159     if( rc ){
5160       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5161       return TCL_ERROR;
5162     }
5163     rc = sqlite3_file_control(db, NULL, SQLITE_SET_LOCKPROXYFILE, proxyPath);
5164     if( rc ){
5165       Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5166       return TCL_ERROR;
5167     }
5168   }
5169 #endif
5170   return TCL_OK;
5171 }
5172 
5173 /*
5174 ** tclcmd:   file_control_win32_av_retry DB  NRETRY  DELAY
5175 **
5176 ** This TCL command runs the sqlite3_file_control interface with
5177 ** the SQLITE_FCNTL_WIN32_AV_RETRY opcode.
5178 */
5179 static int file_control_win32_av_retry(
5180   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5181   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5182   int objc,              /* Number of arguments */
5183   Tcl_Obj *CONST objv[]  /* Command arguments */
5184 ){
5185   sqlite3 *db;
5186   int rc;
5187   int a[2];
5188   char z[100];
5189 
5190   if( objc!=4 ){
5191     Tcl_AppendResult(interp, "wrong # args: should be \"",
5192         Tcl_GetStringFromObj(objv[0], 0), " DB NRETRY DELAY", 0);
5193     return TCL_ERROR;
5194   }
5195   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5196     return TCL_ERROR;
5197   }
5198   if( Tcl_GetIntFromObj(interp, objv[2], &a[0]) ) return TCL_ERROR;
5199   if( Tcl_GetIntFromObj(interp, objv[3], &a[1]) ) return TCL_ERROR;
5200   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_AV_RETRY, (void*)a);
5201   sqlite3_snprintf(sizeof(z), z, "%d %d %d", rc, a[0], a[1]);
5202   Tcl_AppendResult(interp, z, (char*)0);
5203   return TCL_OK;
5204 }
5205 
5206 /*
5207 ** tclcmd:   file_control_persist_wal DB PERSIST-FLAG
5208 **
5209 ** This TCL command runs the sqlite3_file_control interface with
5210 ** the SQLITE_FCNTL_PERSIST_WAL opcode.
5211 */
5212 static int file_control_persist_wal(
5213   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5214   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5215   int objc,              /* Number of arguments */
5216   Tcl_Obj *CONST objv[]  /* Command arguments */
5217 ){
5218   sqlite3 *db;
5219   int rc;
5220   int bPersist;
5221   char z[100];
5222 
5223   if( objc!=3 ){
5224     Tcl_AppendResult(interp, "wrong # args: should be \"",
5225         Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
5226     return TCL_ERROR;
5227   }
5228   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5229     return TCL_ERROR;
5230   }
5231   if( Tcl_GetIntFromObj(interp, objv[2], &bPersist) ) return TCL_ERROR;
5232   rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_PERSIST_WAL, (void*)&bPersist);
5233   sqlite3_snprintf(sizeof(z), z, "%d %d", rc, bPersist);
5234   Tcl_AppendResult(interp, z, (char*)0);
5235   return TCL_OK;
5236 }
5237 
5238 /*
5239 ** tclcmd:   file_control_powersafe_overwrite DB PSOW-FLAG
5240 **
5241 ** This TCL command runs the sqlite3_file_control interface with
5242 ** the SQLITE_FCNTL_POWERSAFE_OVERWRITE opcode.
5243 */
5244 static int file_control_powersafe_overwrite(
5245   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5246   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5247   int objc,              /* Number of arguments */
5248   Tcl_Obj *CONST objv[]  /* Command arguments */
5249 ){
5250   sqlite3 *db;
5251   int rc;
5252   int b;
5253   char z[100];
5254 
5255   if( objc!=3 ){
5256     Tcl_AppendResult(interp, "wrong # args: should be \"",
5257         Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
5258     return TCL_ERROR;
5259   }
5260   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5261     return TCL_ERROR;
5262   }
5263   if( Tcl_GetIntFromObj(interp, objv[2], &b) ) return TCL_ERROR;
5264   rc = sqlite3_file_control(db,NULL,SQLITE_FCNTL_POWERSAFE_OVERWRITE,(void*)&b);
5265   sqlite3_snprintf(sizeof(z), z, "%d %d", rc, b);
5266   Tcl_AppendResult(interp, z, (char*)0);
5267   return TCL_OK;
5268 }
5269 
5270 
5271 /*
5272 ** tclcmd:   file_control_vfsname DB ?AUXDB?
5273 **
5274 ** Return a string that describes the stack of VFSes.
5275 */
5276 static int file_control_vfsname(
5277   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5278   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5279   int objc,              /* Number of arguments */
5280   Tcl_Obj *CONST objv[]  /* Command arguments */
5281 ){
5282   sqlite3 *db;
5283   const char *zDbName = "main";
5284   char *zVfsName = 0;
5285 
5286   if( objc!=2 && objc!=3 ){
5287     Tcl_AppendResult(interp, "wrong # args: should be \"",
5288         Tcl_GetStringFromObj(objv[0], 0), " DB ?AUXDB?", 0);
5289     return TCL_ERROR;
5290   }
5291   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5292     return TCL_ERROR;
5293   }
5294   if( objc==3 ){
5295     zDbName = Tcl_GetString(objv[2]);
5296   }
5297   sqlite3_file_control(db, zDbName, SQLITE_FCNTL_VFSNAME,(void*)&zVfsName);
5298   Tcl_AppendResult(interp, zVfsName, (char*)0);
5299   sqlite3_free(zVfsName);
5300   return TCL_OK;
5301 }
5302 
5303 
5304 /*
5305 ** tclcmd:   sqlite3_vfs_list
5306 **
5307 **   Return a tcl list containing the names of all registered vfs's.
5308 */
5309 static int vfs_list(
5310   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5311   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5312   int objc,              /* Number of arguments */
5313   Tcl_Obj *CONST objv[]  /* Command arguments */
5314 ){
5315   sqlite3_vfs *pVfs;
5316   Tcl_Obj *pRet = Tcl_NewObj();
5317   if( objc!=1 ){
5318     Tcl_WrongNumArgs(interp, 1, objv, "");
5319     return TCL_ERROR;
5320   }
5321   for(pVfs=sqlite3_vfs_find(0); pVfs; pVfs=pVfs->pNext){
5322     Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj(pVfs->zName, -1));
5323   }
5324   Tcl_SetObjResult(interp, pRet);
5325   return TCL_OK;
5326 }
5327 
5328 /*
5329 ** tclcmd:   sqlite3_limit DB ID VALUE
5330 **
5331 ** This TCL command runs the sqlite3_limit interface and
5332 ** verifies correct operation of the same.
5333 */
5334 static int test_limit(
5335   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5336   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5337   int objc,              /* Number of arguments */
5338   Tcl_Obj *CONST objv[]  /* Command arguments */
5339 ){
5340   sqlite3 *db;
5341   int rc;
5342   static const struct {
5343      char *zName;
5344      int id;
5345   } aId[] = {
5346     { "SQLITE_LIMIT_LENGTH",              SQLITE_LIMIT_LENGTH               },
5347     { "SQLITE_LIMIT_SQL_LENGTH",          SQLITE_LIMIT_SQL_LENGTH           },
5348     { "SQLITE_LIMIT_COLUMN",              SQLITE_LIMIT_COLUMN               },
5349     { "SQLITE_LIMIT_EXPR_DEPTH",          SQLITE_LIMIT_EXPR_DEPTH           },
5350     { "SQLITE_LIMIT_COMPOUND_SELECT",     SQLITE_LIMIT_COMPOUND_SELECT      },
5351     { "SQLITE_LIMIT_VDBE_OP",             SQLITE_LIMIT_VDBE_OP              },
5352     { "SQLITE_LIMIT_FUNCTION_ARG",        SQLITE_LIMIT_FUNCTION_ARG         },
5353     { "SQLITE_LIMIT_ATTACHED",            SQLITE_LIMIT_ATTACHED             },
5354     { "SQLITE_LIMIT_LIKE_PATTERN_LENGTH", SQLITE_LIMIT_LIKE_PATTERN_LENGTH  },
5355     { "SQLITE_LIMIT_VARIABLE_NUMBER",     SQLITE_LIMIT_VARIABLE_NUMBER      },
5356     { "SQLITE_LIMIT_TRIGGER_DEPTH",       SQLITE_LIMIT_TRIGGER_DEPTH        },
5357 
5358     /* Out of range test cases */
5359     { "SQLITE_LIMIT_TOOSMALL",            -1,                               },
5360     { "SQLITE_LIMIT_TOOBIG",              SQLITE_LIMIT_TRIGGER_DEPTH+1      },
5361   };
5362   int i, id;
5363   int val;
5364   const char *zId;
5365 
5366   if( objc!=4 ){
5367     Tcl_AppendResult(interp, "wrong # args: should be \"",
5368         Tcl_GetStringFromObj(objv[0], 0), " DB ID VALUE", 0);
5369     return TCL_ERROR;
5370   }
5371   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5372   zId = Tcl_GetString(objv[2]);
5373   for(i=0; i<sizeof(aId)/sizeof(aId[0]); i++){
5374     if( strcmp(zId, aId[i].zName)==0 ){
5375       id = aId[i].id;
5376       break;
5377     }
5378   }
5379   if( i>=sizeof(aId)/sizeof(aId[0]) ){
5380     Tcl_AppendResult(interp, "unknown limit type: ", zId, (char*)0);
5381     return TCL_ERROR;
5382   }
5383   if( Tcl_GetIntFromObj(interp, objv[3], &val) ) return TCL_ERROR;
5384   rc = sqlite3_limit(db, id, val);
5385   Tcl_SetObjResult(interp, Tcl_NewIntObj(rc));
5386   return TCL_OK;
5387 }
5388 
5389 /*
5390 ** tclcmd:  save_prng_state
5391 **
5392 ** Save the state of the pseudo-random number generator.
5393 ** At the same time, verify that sqlite3_test_control works even when
5394 ** called with an out-of-range opcode.
5395 */
5396 static int save_prng_state(
5397   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5398   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5399   int objc,              /* Number of arguments */
5400   Tcl_Obj *CONST objv[]  /* Command arguments */
5401 ){
5402   int rc = sqlite3_test_control(9999);
5403   assert( rc==0 );
5404   rc = sqlite3_test_control(-1);
5405   assert( rc==0 );
5406   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_SAVE);
5407   return TCL_OK;
5408 }
5409 /*
5410 ** tclcmd:  restore_prng_state
5411 */
5412 static int restore_prng_state(
5413   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5414   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5415   int objc,              /* Number of arguments */
5416   Tcl_Obj *CONST objv[]  /* Command arguments */
5417 ){
5418   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESTORE);
5419   return TCL_OK;
5420 }
5421 /*
5422 ** tclcmd:  reset_prng_state
5423 */
5424 static int reset_prng_state(
5425   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5426   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5427   int objc,              /* Number of arguments */
5428   Tcl_Obj *CONST objv[]  /* Command arguments */
5429 ){
5430   sqlite3_test_control(SQLITE_TESTCTRL_PRNG_RESET);
5431   return TCL_OK;
5432 }
5433 
5434 /*
5435 ** tclcmd:  pcache_stats
5436 */
5437 static int test_pcache_stats(
5438   ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
5439   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5440   int objc,              /* Number of arguments */
5441   Tcl_Obj *CONST objv[]  /* Command arguments */
5442 ){
5443   int nMin;
5444   int nMax;
5445   int nCurrent;
5446   int nRecyclable;
5447   Tcl_Obj *pRet;
5448 
5449   sqlite3PcacheStats(&nCurrent, &nMax, &nMin, &nRecyclable);
5450 
5451   pRet = Tcl_NewObj();
5452   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("current", -1));
5453   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCurrent));
5454   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("max", -1));
5455   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMax));
5456   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("min", -1));
5457   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nMin));
5458   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewStringObj("recyclable", -1));
5459   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nRecyclable));
5460 
5461   Tcl_SetObjResult(interp, pRet);
5462 
5463   return TCL_OK;
5464 }
5465 
5466 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
5467 static void test_unlock_notify_cb(void **aArg, int nArg){
5468   int ii;
5469   for(ii=0; ii<nArg; ii++){
5470     Tcl_EvalEx((Tcl_Interp *)aArg[ii], "unlock_notify", -1, TCL_EVAL_GLOBAL);
5471   }
5472 }
5473 #endif /* SQLITE_ENABLE_UNLOCK_NOTIFY */
5474 
5475 /*
5476 ** tclcmd:  sqlite3_unlock_notify db
5477 */
5478 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
5479 static int test_unlock_notify(
5480   ClientData clientData, /* Unused */
5481   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5482   int objc,              /* Number of arguments */
5483   Tcl_Obj *CONST objv[]  /* Command arguments */
5484 ){
5485   sqlite3 *db;
5486   int rc;
5487 
5488   if( objc!=2 ){
5489     Tcl_WrongNumArgs(interp, 1, objv, "DB");
5490     return TCL_ERROR;
5491   }
5492 
5493   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5494     return TCL_ERROR;
5495   }
5496   rc = sqlite3_unlock_notify(db, test_unlock_notify_cb, (void *)interp);
5497   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5498   return TCL_OK;
5499 }
5500 #endif
5501 
5502 /*
5503 ** tclcmd:  sqlite3_wal_checkpoint db ?NAME?
5504 */
5505 static int test_wal_checkpoint(
5506   ClientData clientData, /* Unused */
5507   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5508   int objc,              /* Number of arguments */
5509   Tcl_Obj *CONST objv[]  /* Command arguments */
5510 ){
5511   char *zDb = 0;
5512   sqlite3 *db;
5513   int rc;
5514 
5515   if( objc!=3 && objc!=2 ){
5516     Tcl_WrongNumArgs(interp, 1, objv, "DB ?NAME?");
5517     return TCL_ERROR;
5518   }
5519 
5520   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
5521     return TCL_ERROR;
5522   }
5523   if( objc==3 ){
5524     zDb = Tcl_GetString(objv[2]);
5525   }
5526   rc = sqlite3_wal_checkpoint(db, zDb);
5527   Tcl_SetResult(interp, (char *)t1ErrorName(rc), TCL_STATIC);
5528   return TCL_OK;
5529 }
5530 
5531 /*
5532 ** tclcmd:  sqlite3_wal_checkpoint_v2 db MODE ?NAME?
5533 **
5534 ** This command calls the wal_checkpoint_v2() function with the specified
5535 ** mode argument (passive, full or restart). If present, the database name
5536 ** NAME is passed as the second argument to wal_checkpoint_v2(). If it the
5537 ** NAME argument is not present, a NULL pointer is passed instead.
5538 **
5539 ** If wal_checkpoint_v2() returns any value other than SQLITE_BUSY or
5540 ** SQLITE_OK, then this command returns TCL_ERROR. The Tcl result is set
5541 ** to the error message obtained from sqlite3_errmsg().
5542 **
5543 ** Otherwise, this command returns a list of three integers. The first integer
5544 ** is 1 if SQLITE_BUSY was returned, or 0 otherwise. The following two integers
5545 ** are the values returned via the output paramaters by wal_checkpoint_v2() -
5546 ** the number of frames in the log and the number of frames in the log
5547 ** that have been checkpointed.
5548 */
5549 static int test_wal_checkpoint_v2(
5550   ClientData clientData, /* Unused */
5551   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5552   int objc,              /* Number of arguments */
5553   Tcl_Obj *CONST objv[]  /* Command arguments */
5554 ){
5555   char *zDb = 0;
5556   sqlite3 *db;
5557   int rc;
5558 
5559   int eMode;
5560   int nLog = -555;
5561   int nCkpt = -555;
5562   Tcl_Obj *pRet;
5563 
5564   const char * aMode[] = { "passive", "full", "restart", 0 };
5565   assert( SQLITE_CHECKPOINT_PASSIVE==0 );
5566   assert( SQLITE_CHECKPOINT_FULL==1 );
5567   assert( SQLITE_CHECKPOINT_RESTART==2 );
5568 
5569   if( objc!=3 && objc!=4 ){
5570     Tcl_WrongNumArgs(interp, 1, objv, "DB MODE ?NAME?");
5571     return TCL_ERROR;
5572   }
5573 
5574   if( objc==4 ){
5575     zDb = Tcl_GetString(objv[3]);
5576   }
5577   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db)
5578    || Tcl_GetIndexFromObj(interp, objv[2], aMode, "mode", 0, &eMode)
5579   ){
5580     return TCL_ERROR;
5581   }
5582 
5583   rc = sqlite3_wal_checkpoint_v2(db, zDb, eMode, &nLog, &nCkpt);
5584   if( rc!=SQLITE_OK && rc!=SQLITE_BUSY ){
5585     Tcl_SetResult(interp, (char *)sqlite3_errmsg(db), TCL_VOLATILE);
5586     return TCL_ERROR;
5587   }
5588 
5589   pRet = Tcl_NewObj();
5590   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(rc==SQLITE_BUSY?1:0));
5591   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nLog));
5592   Tcl_ListObjAppendElement(interp, pRet, Tcl_NewIntObj(nCkpt));
5593   Tcl_SetObjResult(interp, pRet);
5594 
5595   return TCL_OK;
5596 }
5597 
5598 /*
5599 ** tclcmd:  test_sqlite3_log ?SCRIPT?
5600 */
5601 static struct LogCallback {
5602   Tcl_Interp *pInterp;
5603   Tcl_Obj *pObj;
5604 } logcallback = {0, 0};
5605 static void xLogcallback(void *unused, int err, char *zMsg){
5606   Tcl_Obj *pNew = Tcl_DuplicateObj(logcallback.pObj);
5607   Tcl_IncrRefCount(pNew);
5608   Tcl_ListObjAppendElement(
5609       0, pNew, Tcl_NewStringObj(sqlite3TestErrorName(err), -1)
5610   );
5611   Tcl_ListObjAppendElement(0, pNew, Tcl_NewStringObj(zMsg, -1));
5612   Tcl_EvalObjEx(logcallback.pInterp, pNew, TCL_EVAL_GLOBAL|TCL_EVAL_DIRECT);
5613   Tcl_DecrRefCount(pNew);
5614 }
5615 static int test_sqlite3_log(
5616   ClientData clientData,
5617   Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
5618   int objc,              /* Number of arguments */
5619   Tcl_Obj *CONST objv[]  /* Command arguments */
5620 ){
5621   if( objc>2 ){
5622     Tcl_WrongNumArgs(interp, 1, objv, "SCRIPT");
5623     return TCL_ERROR;
5624   }
5625   if( logcallback.pObj ){
5626     Tcl_DecrRefCount(logcallback.pObj);
5627     logcallback.pObj = 0;
5628     logcallback.pInterp = 0;
5629     sqlite3_config(SQLITE_CONFIG_LOG, 0, 0);
5630   }
5631   if( objc>1 ){
5632     logcallback.pObj = objv[1];
5633     Tcl_IncrRefCount(logcallback.pObj);
5634     logcallback.pInterp = interp;
5635     sqlite3_config(SQLITE_CONFIG_LOG, xLogcallback, 0);
5636   }
5637   return TCL_OK;
5638 }
5639 
5640 /*
5641 **     tcl_objproc COMMANDNAME ARGS...
5642 **
5643 ** Run a TCL command using its objProc interface.  Throw an error if
5644 ** the command has no objProc interface.
5645 */
5646 static int runAsObjProc(
5647   void * clientData,
5648   Tcl_Interp *interp,
5649   int objc,
5650   Tcl_Obj *CONST objv[]
5651 ){
5652   Tcl_CmdInfo cmdInfo;
5653   if( objc<2 ){
5654     Tcl_WrongNumArgs(interp, 1, objv, "COMMAND ...");
5655     return TCL_ERROR;
5656   }
5657   if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
5658     Tcl_AppendResult(interp, "command not found: ",
5659            Tcl_GetString(objv[1]), (char*)0);
5660     return TCL_ERROR;
5661   }
5662   if( cmdInfo.objProc==0 ){
5663     Tcl_AppendResult(interp, "command has no objProc: ",
5664            Tcl_GetString(objv[1]), (char*)0);
5665     return TCL_ERROR;
5666   }
5667   return cmdInfo.objProc(cmdInfo.objClientData, interp, objc-1, objv+1);
5668 }
5669 
5670 #ifndef SQLITE_OMIT_EXPLAIN
5671 /*
5672 ** WARNING: The following function, printExplainQueryPlan() is an exact
5673 ** copy of example code from eqp.in (eqp.html). If this code is modified,
5674 ** then the documentation copy needs to be modified as well.
5675 */
5676 /*
5677 ** Argument pStmt is a prepared SQL statement. This function compiles
5678 ** an EXPLAIN QUERY PLAN command to report on the prepared statement,
5679 ** and prints the report to stdout using printf().
5680 */
5681 int printExplainQueryPlan(sqlite3_stmt *pStmt){
5682   const char *zSql;               /* Input SQL */
5683   char *zExplain;                 /* SQL with EXPLAIN QUERY PLAN prepended */
5684   sqlite3_stmt *pExplain;         /* Compiled EXPLAIN QUERY PLAN command */
5685   int rc;                         /* Return code from sqlite3_prepare_v2() */
5686 
5687   zSql = sqlite3_sql(pStmt);
5688   if( zSql==0 ) return SQLITE_ERROR;
5689 
5690   zExplain = sqlite3_mprintf("EXPLAIN QUERY PLAN %s", zSql);
5691   if( zExplain==0 ) return SQLITE_NOMEM;
5692 
5693   rc = sqlite3_prepare_v2(sqlite3_db_handle(pStmt), zExplain, -1, &pExplain, 0);
5694   sqlite3_free(zExplain);
5695   if( rc!=SQLITE_OK ) return rc;
5696 
5697   while( SQLITE_ROW==sqlite3_step(pExplain) ){
5698     int iSelectid = sqlite3_column_int(pExplain, 0);
5699     int iOrder = sqlite3_column_int(pExplain, 1);
5700     int iFrom = sqlite3_column_int(pExplain, 2);
5701     const char *zDetail = (const char *)sqlite3_column_text(pExplain, 3);
5702 
5703     printf("%d %d %d %s\n", iSelectid, iOrder, iFrom, zDetail);
5704   }
5705 
5706   return sqlite3_finalize(pExplain);
5707 }
5708 
5709 static int test_print_eqp(
5710   void * clientData,
5711   Tcl_Interp *interp,
5712   int objc,
5713   Tcl_Obj *CONST objv[]
5714 ){
5715   int rc;
5716   sqlite3_stmt *pStmt;
5717 
5718   if( objc!=2 ){
5719     Tcl_WrongNumArgs(interp, 1, objv, "STMT");
5720     return TCL_ERROR;
5721   }
5722   if( getStmtPointer(interp, Tcl_GetString(objv[1]), &pStmt) ) return TCL_ERROR;
5723   rc = printExplainQueryPlan(pStmt);
5724   /* This is needed on Windows so that a test case using this
5725   ** function can open a read pipe and get the output of
5726   ** printExplainQueryPlan() immediately.
5727   */
5728   fflush(stdout);
5729   Tcl_SetResult(interp, (char *)t1ErrorName(rc), 0);
5730   return TCL_OK;
5731 }
5732 #endif /* SQLITE_OMIT_EXPLAIN */
5733 
5734 /*
5735 ** sqlite3_test_control VERB ARGS...
5736 */
5737 static int test_test_control(
5738   void * clientData,
5739   Tcl_Interp *interp,
5740   int objc,
5741   Tcl_Obj *CONST objv[]
5742 ){
5743   struct Verb {
5744     const char *zName;
5745     int i;
5746   } aVerb[] = {
5747     { "SQLITE_TESTCTRL_LOCALTIME_FAULT", SQLITE_TESTCTRL_LOCALTIME_FAULT },
5748   };
5749   int iVerb;
5750   int iFlag;
5751   int rc;
5752 
5753   if( objc<2 ){
5754     Tcl_WrongNumArgs(interp, 1, objv, "VERB ARGS...");
5755     return TCL_ERROR;
5756   }
5757 
5758   rc = Tcl_GetIndexFromObjStruct(
5759       interp, objv[1], aVerb, sizeof(aVerb[0]), "VERB", 0, &iVerb
5760   );
5761   if( rc!=TCL_OK ) return rc;
5762 
5763   iFlag = aVerb[iVerb].i;
5764   switch( iFlag ){
5765     case SQLITE_TESTCTRL_LOCALTIME_FAULT: {
5766       int val;
5767       if( objc!=3 ){
5768         Tcl_WrongNumArgs(interp, 2, objv, "ONOFF");
5769         return TCL_ERROR;
5770       }
5771       if( Tcl_GetBooleanFromObj(interp, objv[2], &val) ) return TCL_ERROR;
5772       sqlite3_test_control(SQLITE_TESTCTRL_LOCALTIME_FAULT, val);
5773       break;
5774     }
5775   }
5776 
5777   Tcl_ResetResult(interp);
5778   return TCL_OK;
5779 }
5780 
5781 #if SQLITE_OS_WIN
5782 /*
5783 ** Information passed from the main thread into the windows file locker
5784 ** background thread.
5785 */
5786 struct win32FileLocker {
5787   char *evName;       /* Name of event to signal thread startup */
5788   HANDLE h;           /* Handle of the file to be locked */
5789   int delay1;         /* Delay before locking */
5790   int delay2;         /* Delay before unlocking */
5791   int ok;             /* Finished ok */
5792   int err;            /* True if an error occurs */
5793 };
5794 #endif
5795 
5796 
5797 #if SQLITE_OS_WIN
5798 /*
5799 ** The background thread that does file locking.
5800 */
5801 static void win32_file_locker(void *pAppData){
5802   struct win32FileLocker *p = (struct win32FileLocker*)pAppData;
5803   if( p->evName ){
5804     HANDLE ev = OpenEvent(EVENT_MODIFY_STATE, FALSE, p->evName);
5805     if ( ev ){
5806       SetEvent(ev);
5807       CloseHandle(ev);
5808     }
5809   }
5810   if( p->delay1 ) Sleep(p->delay1);
5811   if( LockFile(p->h, 0, 0, 100000000, 0) ){
5812     Sleep(p->delay2);
5813     UnlockFile(p->h, 0, 0, 100000000, 0);
5814     p->ok = 1;
5815   }else{
5816     p->err = 1;
5817   }
5818   CloseHandle(p->h);
5819   p->h = 0;
5820   p->delay1 = 0;
5821   p->delay2 = 0;
5822 }
5823 #endif
5824 
5825 #if SQLITE_OS_WIN
5826 /*
5827 **      lock_win32_file FILENAME DELAY1 DELAY2
5828 **
5829 ** Get an exclusive manditory lock on file for DELAY2 milliseconds.
5830 ** Wait DELAY1 milliseconds before acquiring the lock.
5831 */
5832 static int win32_file_lock(
5833   void * clientData,
5834   Tcl_Interp *interp,
5835   int objc,
5836   Tcl_Obj *CONST objv[]
5837 ){
5838   static struct win32FileLocker x = { "win32_file_lock", 0, 0, 0, 0, 0 };
5839   const char *zFilename;
5840   char zBuf[200];
5841   int retry = 0;
5842   HANDLE ev;
5843   DWORD wResult;
5844 
5845   if( objc!=4 && objc!=1 ){
5846     Tcl_WrongNumArgs(interp, 1, objv, "FILENAME DELAY1 DELAY2");
5847     return TCL_ERROR;
5848   }
5849   if( objc==1 ){
5850     sqlite3_snprintf(sizeof(zBuf), zBuf, "%d %d %d %d %d",
5851                      x.ok, x.err, x.delay1, x.delay2, x.h);
5852     Tcl_AppendResult(interp, zBuf, (char*)0);
5853     return TCL_OK;
5854   }
5855   while( x.h && retry<30 ){
5856     retry++;
5857     Sleep(100);
5858   }
5859   if( x.h ){
5860     Tcl_AppendResult(interp, "busy", (char*)0);
5861     return TCL_ERROR;
5862   }
5863   if( Tcl_GetIntFromObj(interp, objv[2], &x.delay1) ) return TCL_ERROR;
5864   if( Tcl_GetIntFromObj(interp, objv[3], &x.delay2) ) return TCL_ERROR;
5865   zFilename = Tcl_GetString(objv[1]);
5866   x.h = CreateFile(zFilename, GENERIC_READ|GENERIC_WRITE,
5867               FILE_SHARE_READ|FILE_SHARE_WRITE, 0, OPEN_ALWAYS,
5868               FILE_ATTRIBUTE_NORMAL, 0);
5869   if( !x.h ){
5870     Tcl_AppendResult(interp, "cannot open file: ", zFilename, (char*)0);
5871     return TCL_ERROR;
5872   }
5873   ev = CreateEvent(NULL, TRUE, FALSE, x.evName);
5874   if ( !ev ){
5875     Tcl_AppendResult(interp, "cannot create event: ", x.evName, (char*)0);
5876     return TCL_ERROR;
5877   }
5878   _beginthread(win32_file_locker, 0, (void*)&x);
5879   Sleep(0);
5880   if ( (wResult = WaitForSingleObject(ev, 10000))!=WAIT_OBJECT_0 ){
5881     sqlite3_snprintf(sizeof(zBuf), zBuf, "0x%x", wResult);
5882     Tcl_AppendResult(interp, "wait failed: ", zBuf, (char*)0);
5883     CloseHandle(ev);
5884     return TCL_ERROR;
5885   }
5886   CloseHandle(ev);
5887   return TCL_OK;
5888 }
5889 #endif
5890 
5891 
5892 /*
5893 **      optimization_control DB OPT BOOLEAN
5894 **
5895 ** Enable or disable query optimizations using the sqlite3_test_control()
5896 ** interface.  Disable if BOOLEAN is false and enable if BOOLEAN is true.
5897 ** OPT is the name of the optimization to be disabled.
5898 */
5899 static int optimization_control(
5900   void * clientData,
5901   Tcl_Interp *interp,
5902   int objc,
5903   Tcl_Obj *CONST objv[]
5904 ){
5905   int i;
5906   sqlite3 *db;
5907   const char *zOpt;
5908   int onoff;
5909   int mask;
5910   static const struct {
5911     const char *zOptName;
5912     int mask;
5913   } aOpt[] = {
5914     { "all",              SQLITE_OptMask        },
5915     { "query-flattener",  SQLITE_QueryFlattener },
5916     { "column-cache",     SQLITE_ColumnCache    },
5917     { "index-sort",       SQLITE_IndexSort      },
5918     { "index-search",     SQLITE_IndexSearch    },
5919     { "index-cover",      SQLITE_IndexCover     },
5920     { "groupby-order",    SQLITE_GroupByOrder   },
5921     { "factor-constants", SQLITE_FactorOutConst },
5922     { "real-as-int",      SQLITE_IdxRealAsInt   },
5923   };
5924 
5925   if( objc!=4 ){
5926     Tcl_WrongNumArgs(interp, 1, objv, "DB OPT BOOLEAN");
5927     return TCL_ERROR;
5928   }
5929   if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
5930   if( Tcl_GetBooleanFromObj(interp, objv[3], &onoff) ) return TCL_ERROR;
5931   zOpt = Tcl_GetString(objv[2]);
5932   for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
5933     if( strcmp(zOpt, aOpt[i].zOptName)==0 ){
5934       mask = aOpt[i].mask;
5935       break;
5936     }
5937   }
5938   if( onoff ) mask = ~mask;
5939   if( i>=sizeof(aOpt)/sizeof(aOpt[0]) ){
5940     Tcl_AppendResult(interp, "unknown optimization - should be one of:",
5941                      (char*)0);
5942     for(i=0; i<sizeof(aOpt)/sizeof(aOpt[0]); i++){
5943       Tcl_AppendResult(interp, " ", aOpt[i].zOptName);
5944     }
5945     return TCL_ERROR;
5946   }
5947   sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS, db, mask);
5948   return TCL_OK;
5949 }
5950 
5951 /*
5952 ** Register commands with the TCL interpreter.
5953 */
5954 int Sqlitetest1_Init(Tcl_Interp *interp){
5955   extern int sqlite3_search_count;
5956   extern int sqlite3_found_count;
5957   extern int sqlite3_interrupt_count;
5958   extern int sqlite3_open_file_count;
5959   extern int sqlite3_sort_count;
5960   extern int sqlite3_current_time;
5961 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
5962   extern int sqlite3_hostid_num;
5963 #endif
5964   extern int sqlite3_max_blobsize;
5965   extern int sqlite3BtreeSharedCacheReport(void*,
5966                                           Tcl_Interp*,int,Tcl_Obj*CONST*);
5967   static struct {
5968      char *zName;
5969      Tcl_CmdProc *xProc;
5970   } aCmd[] = {
5971      { "db_enter",                      (Tcl_CmdProc*)db_enter               },
5972      { "db_leave",                      (Tcl_CmdProc*)db_leave               },
5973      { "sqlite3_mprintf_int",           (Tcl_CmdProc*)sqlite3_mprintf_int    },
5974      { "sqlite3_mprintf_int64",         (Tcl_CmdProc*)sqlite3_mprintf_int64  },
5975      { "sqlite3_mprintf_long",          (Tcl_CmdProc*)sqlite3_mprintf_long   },
5976      { "sqlite3_mprintf_str",           (Tcl_CmdProc*)sqlite3_mprintf_str    },
5977      { "sqlite3_snprintf_str",          (Tcl_CmdProc*)sqlite3_snprintf_str   },
5978      { "sqlite3_mprintf_stronly",       (Tcl_CmdProc*)sqlite3_mprintf_stronly},
5979      { "sqlite3_mprintf_double",        (Tcl_CmdProc*)sqlite3_mprintf_double },
5980      { "sqlite3_mprintf_scaled",        (Tcl_CmdProc*)sqlite3_mprintf_scaled },
5981      { "sqlite3_mprintf_hexdouble",   (Tcl_CmdProc*)sqlite3_mprintf_hexdouble},
5982      { "sqlite3_mprintf_z_test",        (Tcl_CmdProc*)test_mprintf_z        },
5983      { "sqlite3_mprintf_n_test",        (Tcl_CmdProc*)test_mprintf_n        },
5984      { "sqlite3_snprintf_int",          (Tcl_CmdProc*)test_snprintf_int     },
5985      { "sqlite3_last_insert_rowid",     (Tcl_CmdProc*)test_last_rowid       },
5986      { "sqlite3_exec_printf",           (Tcl_CmdProc*)test_exec_printf      },
5987      { "sqlite3_exec_hex",              (Tcl_CmdProc*)test_exec_hex         },
5988      { "sqlite3_exec",                  (Tcl_CmdProc*)test_exec             },
5989      { "sqlite3_exec_nr",               (Tcl_CmdProc*)test_exec_nr          },
5990 #ifndef SQLITE_OMIT_GET_TABLE
5991      { "sqlite3_get_table_printf",      (Tcl_CmdProc*)test_get_table_printf },
5992 #endif
5993      { "sqlite3_close",                 (Tcl_CmdProc*)sqlite_test_close     },
5994      { "sqlite3_create_function",       (Tcl_CmdProc*)test_create_function  },
5995      { "sqlite3_create_aggregate",      (Tcl_CmdProc*)test_create_aggregate },
5996      { "sqlite_register_test_function", (Tcl_CmdProc*)test_register_func    },
5997      { "sqlite_abort",                  (Tcl_CmdProc*)sqlite_abort          },
5998      { "sqlite_bind",                   (Tcl_CmdProc*)test_bind             },
5999      { "breakpoint",                    (Tcl_CmdProc*)test_breakpoint       },
6000      { "sqlite3_key",                   (Tcl_CmdProc*)test_key              },
6001      { "sqlite3_rekey",                 (Tcl_CmdProc*)test_rekey            },
6002      { "sqlite_set_magic",              (Tcl_CmdProc*)sqlite_set_magic      },
6003      { "sqlite3_interrupt",             (Tcl_CmdProc*)test_interrupt        },
6004      { "sqlite_delete_function",        (Tcl_CmdProc*)delete_function       },
6005      { "sqlite_delete_collation",       (Tcl_CmdProc*)delete_collation      },
6006      { "sqlite3_get_autocommit",        (Tcl_CmdProc*)get_autocommit        },
6007      { "sqlite3_stack_used",            (Tcl_CmdProc*)test_stack_used       },
6008      { "sqlite3_busy_timeout",          (Tcl_CmdProc*)test_busy_timeout     },
6009      { "printf",                        (Tcl_CmdProc*)test_printf           },
6010      { "sqlite3IoTrace",              (Tcl_CmdProc*)test_io_trace         },
6011   };
6012   static struct {
6013      char *zName;
6014      Tcl_ObjCmdProc *xProc;
6015      void *clientData;
6016   } aObjCmd[] = {
6017      { "sqlite3_connection_pointer",    get_sqlite_pointer, 0 },
6018      { "sqlite3_bind_int",              test_bind_int,      0 },
6019      { "sqlite3_bind_zeroblob",         test_bind_zeroblob, 0 },
6020      { "sqlite3_bind_int64",            test_bind_int64,    0 },
6021      { "sqlite3_bind_double",           test_bind_double,   0 },
6022      { "sqlite3_bind_null",             test_bind_null     ,0 },
6023      { "sqlite3_bind_text",             test_bind_text     ,0 },
6024      { "sqlite3_bind_text16",           test_bind_text16   ,0 },
6025      { "sqlite3_bind_blob",             test_bind_blob     ,0 },
6026      { "sqlite3_bind_parameter_count",  test_bind_parameter_count, 0},
6027      { "sqlite3_bind_parameter_name",   test_bind_parameter_name,  0},
6028      { "sqlite3_bind_parameter_index",  test_bind_parameter_index, 0},
6029      { "sqlite3_clear_bindings",        test_clear_bindings, 0},
6030      { "sqlite3_sleep",                 test_sleep,          0},
6031      { "sqlite3_errcode",               test_errcode       ,0 },
6032      { "sqlite3_extended_errcode",      test_ex_errcode    ,0 },
6033      { "sqlite3_errmsg",                test_errmsg        ,0 },
6034      { "sqlite3_errmsg16",              test_errmsg16      ,0 },
6035      { "sqlite3_open",                  test_open          ,0 },
6036      { "sqlite3_open16",                test_open16        ,0 },
6037      { "sqlite3_open_v2",               test_open_v2       ,0 },
6038      { "sqlite3_complete16",            test_complete16    ,0 },
6039 
6040      { "sqlite3_prepare",               test_prepare       ,0 },
6041      { "sqlite3_prepare16",             test_prepare16     ,0 },
6042      { "sqlite3_prepare_v2",            test_prepare_v2    ,0 },
6043      { "sqlite3_prepare_tkt3134",       test_prepare_tkt3134, 0},
6044      { "sqlite3_prepare16_v2",          test_prepare16_v2  ,0 },
6045      { "sqlite3_finalize",              test_finalize      ,0 },
6046      { "sqlite3_stmt_status",           test_stmt_status   ,0 },
6047      { "sqlite3_reset",                 test_reset         ,0 },
6048      { "sqlite3_expired",               test_expired       ,0 },
6049      { "sqlite3_transfer_bindings",     test_transfer_bind ,0 },
6050      { "sqlite3_changes",               test_changes       ,0 },
6051      { "sqlite3_step",                  test_step          ,0 },
6052      { "sqlite3_sql",                   test_sql           ,0 },
6053      { "sqlite3_next_stmt",             test_next_stmt     ,0 },
6054      { "sqlite3_stmt_readonly",         test_stmt_readonly ,0 },
6055      { "sqlite3_stmt_busy",             test_stmt_busy     ,0 },
6056      { "uses_stmt_journal",             uses_stmt_journal ,0 },
6057 
6058      { "sqlite3_release_memory",        test_release_memory,     0},
6059      { "sqlite3_db_release_memory",     test_db_release_memory,  0},
6060      { "sqlite3_db_filename",           test_db_filename,        0},
6061      { "sqlite3_soft_heap_limit",       test_soft_heap_limit,    0},
6062      { "sqlite3_thread_cleanup",        test_thread_cleanup,     0},
6063      { "sqlite3_pager_refcounts",       test_pager_refcounts,    0},
6064 
6065      { "sqlite3_load_extension",        test_load_extension,     0},
6066      { "sqlite3_enable_load_extension", test_enable_load,        0},
6067      { "sqlite3_extended_result_codes", test_extended_result_codes, 0},
6068      { "sqlite3_limit",                 test_limit,                 0},
6069 
6070      { "save_prng_state",               save_prng_state,    0 },
6071      { "restore_prng_state",            restore_prng_state, 0 },
6072      { "reset_prng_state",              reset_prng_state,   0 },
6073      { "optimization_control",          optimization_control,0},
6074 #if SQLITE_OS_WIN
6075      { "lock_win32_file",               win32_file_lock,    0 },
6076 #endif
6077      { "tcl_objproc",                   runAsObjProc,       0 },
6078 
6079      /* sqlite3_column_*() API */
6080      { "sqlite3_column_count",          test_column_count  ,0 },
6081      { "sqlite3_data_count",            test_data_count    ,0 },
6082      { "sqlite3_column_type",           test_column_type   ,0 },
6083      { "sqlite3_column_blob",           test_column_blob   ,0 },
6084      { "sqlite3_column_double",         test_column_double ,0 },
6085      { "sqlite3_column_int64",          test_column_int64  ,0 },
6086      { "sqlite3_column_text",   test_stmt_utf8,  (void*)sqlite3_column_text },
6087      { "sqlite3_column_name",   test_stmt_utf8,  (void*)sqlite3_column_name },
6088      { "sqlite3_column_int",    test_stmt_int,   (void*)sqlite3_column_int  },
6089      { "sqlite3_column_bytes",  test_stmt_int,   (void*)sqlite3_column_bytes},
6090 #ifndef SQLITE_OMIT_DECLTYPE
6091      { "sqlite3_column_decltype",test_stmt_utf8,(void*)sqlite3_column_decltype},
6092 #endif
6093 #ifdef SQLITE_ENABLE_COLUMN_METADATA
6094 { "sqlite3_column_database_name",test_stmt_utf8,(void*)sqlite3_column_database_name},
6095 { "sqlite3_column_table_name",test_stmt_utf8,(void*)sqlite3_column_table_name},
6096 { "sqlite3_column_origin_name",test_stmt_utf8,(void*)sqlite3_column_origin_name},
6097 #endif
6098 
6099 #ifndef SQLITE_OMIT_UTF16
6100      { "sqlite3_column_bytes16", test_stmt_int, (void*)sqlite3_column_bytes16 },
6101      { "sqlite3_column_text16",  test_stmt_utf16, (void*)sqlite3_column_text16},
6102      { "sqlite3_column_name16",  test_stmt_utf16, (void*)sqlite3_column_name16},
6103      { "add_alignment_test_collations", add_alignment_test_collations, 0      },
6104 #ifndef SQLITE_OMIT_DECLTYPE
6105      { "sqlite3_column_decltype16",test_stmt_utf16,(void*)sqlite3_column_decltype16},
6106 #endif
6107 #ifdef SQLITE_ENABLE_COLUMN_METADATA
6108 {"sqlite3_column_database_name16",
6109   test_stmt_utf16, sqlite3_column_database_name16},
6110 {"sqlite3_column_table_name16", test_stmt_utf16, (void*)sqlite3_column_table_name16},
6111 {"sqlite3_column_origin_name16", test_stmt_utf16, (void*)sqlite3_column_origin_name16},
6112 #endif
6113 #endif
6114      { "sqlite3_create_collation_v2", test_create_collation_v2, 0 },
6115      { "sqlite3_global_recover",     test_global_recover, 0   },
6116      { "working_64bit_int",          working_64bit_int,   0   },
6117      { "vfs_unlink_test",            vfs_unlink_test,     0   },
6118      { "vfs_initfail_test",          vfs_initfail_test,   0   },
6119      { "vfs_unregister_all",         vfs_unregister_all,  0   },
6120      { "vfs_reregister_all",         vfs_reregister_all,  0   },
6121      { "file_control_test",          file_control_test,   0   },
6122      { "file_control_lasterrno_test", file_control_lasterrno_test,  0   },
6123      { "file_control_lockproxy_test", file_control_lockproxy_test,  0   },
6124      { "file_control_chunksize_test", file_control_chunksize_test,  0   },
6125      { "file_control_sizehint_test",  file_control_sizehint_test,   0   },
6126      { "file_control_win32_av_retry", file_control_win32_av_retry,  0   },
6127      { "file_control_persist_wal",    file_control_persist_wal,     0   },
6128      { "file_control_powersafe_overwrite",file_control_powersafe_overwrite,0},
6129      { "file_control_vfsname",        file_control_vfsname,         0   },
6130      { "sqlite3_vfs_list",           vfs_list,     0   },
6131      { "sqlite3_create_function_v2", test_create_function_v2, 0 },
6132 
6133      /* Functions from os.h */
6134 #ifndef SQLITE_OMIT_UTF16
6135      { "add_test_collate",        test_collate, 0            },
6136      { "add_test_collate_needed", test_collate_needed, 0     },
6137      { "add_test_function",       test_function, 0           },
6138 #endif
6139      { "sqlite3_test_errstr",     test_errstr, 0             },
6140      { "tcl_variable_type",       tcl_variable_type, 0       },
6141 #ifndef SQLITE_OMIT_SHARED_CACHE
6142      { "sqlite3_enable_shared_cache", test_enable_shared, 0  },
6143      { "sqlite3_shared_cache_report", sqlite3BtreeSharedCacheReport, 0},
6144 #endif
6145      { "sqlite3_libversion_number", test_libversion_number, 0  },
6146 #ifdef SQLITE_ENABLE_COLUMN_METADATA
6147      { "sqlite3_table_column_metadata", test_table_column_metadata, 0  },
6148 #endif
6149 #ifndef SQLITE_OMIT_INCRBLOB
6150      { "sqlite3_blob_read",   test_blob_read, 0  },
6151      { "sqlite3_blob_write",  test_blob_write, 0  },
6152      { "sqlite3_blob_reopen", test_blob_reopen, 0  },
6153      { "sqlite3_blob_bytes",  test_blob_bytes, 0  },
6154      { "sqlite3_blob_close",  test_blob_close, 0  },
6155 #endif
6156      { "pcache_stats",       test_pcache_stats, 0  },
6157 #ifdef SQLITE_ENABLE_UNLOCK_NOTIFY
6158      { "sqlite3_unlock_notify", test_unlock_notify, 0  },
6159 #endif
6160      { "sqlite3_wal_checkpoint",   test_wal_checkpoint, 0  },
6161      { "sqlite3_wal_checkpoint_v2",test_wal_checkpoint_v2, 0  },
6162      { "test_sqlite3_log",         test_sqlite3_log, 0  },
6163 #ifndef SQLITE_OMIT_EXPLAIN
6164      { "print_explain_query_plan", test_print_eqp, 0  },
6165 #endif
6166      { "sqlite3_test_control", test_test_control },
6167   };
6168   static int bitmask_size = sizeof(Bitmask)*8;
6169   int i;
6170   extern int sqlite3_sync_count, sqlite3_fullsync_count;
6171   extern int sqlite3_opentemp_count;
6172   extern int sqlite3_like_count;
6173   extern int sqlite3_xferopt_count;
6174   extern int sqlite3_pager_readdb_count;
6175   extern int sqlite3_pager_writedb_count;
6176   extern int sqlite3_pager_writej_count;
6177 #if SQLITE_OS_WIN
6178   extern int sqlite3_os_type;
6179 #endif
6180 #ifdef SQLITE_DEBUG
6181   extern int sqlite3WhereTrace;
6182   extern int sqlite3OSTrace;
6183   extern int sqlite3VdbeAddopTrace;
6184   extern int sqlite3WalTrace;
6185 #endif
6186 #ifdef SQLITE_TEST
6187   extern char sqlite3_query_plan[];
6188   static char *query_plan = sqlite3_query_plan;
6189 #ifdef SQLITE_ENABLE_FTS3
6190   extern int sqlite3_fts3_enable_parentheses;
6191 #endif
6192 #endif
6193 
6194   for(i=0; i<sizeof(aCmd)/sizeof(aCmd[0]); i++){
6195     Tcl_CreateCommand(interp, aCmd[i].zName, aCmd[i].xProc, 0, 0);
6196   }
6197   for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
6198     Tcl_CreateObjCommand(interp, aObjCmd[i].zName,
6199         aObjCmd[i].xProc, aObjCmd[i].clientData, 0);
6200   }
6201   Tcl_LinkVar(interp, "sqlite_search_count",
6202       (char*)&sqlite3_search_count, TCL_LINK_INT);
6203   Tcl_LinkVar(interp, "sqlite_found_count",
6204       (char*)&sqlite3_found_count, TCL_LINK_INT);
6205   Tcl_LinkVar(interp, "sqlite_sort_count",
6206       (char*)&sqlite3_sort_count, TCL_LINK_INT);
6207   Tcl_LinkVar(interp, "sqlite3_max_blobsize",
6208       (char*)&sqlite3_max_blobsize, TCL_LINK_INT);
6209   Tcl_LinkVar(interp, "sqlite_like_count",
6210       (char*)&sqlite3_like_count, TCL_LINK_INT);
6211   Tcl_LinkVar(interp, "sqlite_interrupt_count",
6212       (char*)&sqlite3_interrupt_count, TCL_LINK_INT);
6213   Tcl_LinkVar(interp, "sqlite_open_file_count",
6214       (char*)&sqlite3_open_file_count, TCL_LINK_INT);
6215   Tcl_LinkVar(interp, "sqlite_current_time",
6216       (char*)&sqlite3_current_time, TCL_LINK_INT);
6217 #if SQLITE_OS_UNIX && defined(__APPLE__) && SQLITE_ENABLE_LOCKING_STYLE
6218   Tcl_LinkVar(interp, "sqlite_hostid_num",
6219       (char*)&sqlite3_hostid_num, TCL_LINK_INT);
6220 #endif
6221   Tcl_LinkVar(interp, "sqlite3_xferopt_count",
6222       (char*)&sqlite3_xferopt_count, TCL_LINK_INT);
6223   Tcl_LinkVar(interp, "sqlite3_pager_readdb_count",
6224       (char*)&sqlite3_pager_readdb_count, TCL_LINK_INT);
6225   Tcl_LinkVar(interp, "sqlite3_pager_writedb_count",
6226       (char*)&sqlite3_pager_writedb_count, TCL_LINK_INT);
6227   Tcl_LinkVar(interp, "sqlite3_pager_writej_count",
6228       (char*)&sqlite3_pager_writej_count, TCL_LINK_INT);
6229 #ifndef SQLITE_OMIT_UTF16
6230   Tcl_LinkVar(interp, "unaligned_string_counter",
6231       (char*)&unaligned_string_counter, TCL_LINK_INT);
6232 #endif
6233 #ifndef SQLITE_OMIT_UTF16
6234   Tcl_LinkVar(interp, "sqlite_last_needed_collation",
6235       (char*)&pzNeededCollation, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
6236 #endif
6237 #if SQLITE_OS_WIN
6238   Tcl_LinkVar(interp, "sqlite_os_type",
6239       (char*)&sqlite3_os_type, TCL_LINK_INT);
6240 #endif
6241 #ifdef SQLITE_TEST
6242   Tcl_LinkVar(interp, "sqlite_query_plan",
6243       (char*)&query_plan, TCL_LINK_STRING|TCL_LINK_READ_ONLY);
6244 #endif
6245 #ifdef SQLITE_DEBUG
6246   Tcl_LinkVar(interp, "sqlite_addop_trace",
6247       (char*)&sqlite3VdbeAddopTrace, TCL_LINK_INT);
6248   Tcl_LinkVar(interp, "sqlite_where_trace",
6249       (char*)&sqlite3WhereTrace, TCL_LINK_INT);
6250   Tcl_LinkVar(interp, "sqlite_os_trace",
6251       (char*)&sqlite3OSTrace, TCL_LINK_INT);
6252 #ifndef SQLITE_OMIT_WAL
6253   Tcl_LinkVar(interp, "sqlite_wal_trace",
6254       (char*)&sqlite3WalTrace, TCL_LINK_INT);
6255 #endif
6256 #endif
6257 #ifndef SQLITE_OMIT_DISKIO
6258   Tcl_LinkVar(interp, "sqlite_opentemp_count",
6259       (char*)&sqlite3_opentemp_count, TCL_LINK_INT);
6260 #endif
6261   Tcl_LinkVar(interp, "sqlite_static_bind_value",
6262       (char*)&sqlite_static_bind_value, TCL_LINK_STRING);
6263   Tcl_LinkVar(interp, "sqlite_static_bind_nbyte",
6264       (char*)&sqlite_static_bind_nbyte, TCL_LINK_INT);
6265   Tcl_LinkVar(interp, "sqlite_temp_directory",
6266       (char*)&sqlite3_temp_directory, TCL_LINK_STRING);
6267   Tcl_LinkVar(interp, "bitmask_size",
6268       (char*)&bitmask_size, TCL_LINK_INT|TCL_LINK_READ_ONLY);
6269   Tcl_LinkVar(interp, "sqlite_sync_count",
6270       (char*)&sqlite3_sync_count, TCL_LINK_INT);
6271   Tcl_LinkVar(interp, "sqlite_fullsync_count",
6272       (char*)&sqlite3_fullsync_count, TCL_LINK_INT);
6273 #if defined(SQLITE_ENABLE_FTS3) && defined(SQLITE_TEST)
6274   Tcl_LinkVar(interp, "sqlite_fts3_enable_parentheses",
6275       (char*)&sqlite3_fts3_enable_parentheses, TCL_LINK_INT);
6276 #endif
6277   return TCL_OK;
6278 }
6279