xref: /sqlite-3.40.0/test/e_blobopen.test (revision a32536b4)
1# 2014 October 30
2#
3# The author disclaims copyright to this source code.  In place of
4# a legal notice, here is a blessing:
5#
6#    May you do good and not evil.
7#    May you find forgiveness for yourself and forgive others.
8#    May you share freely, never taking more than you give.
9#
10#***********************************************************************
11#
12
13set testdir [file dirname $argv0]
14source $testdir/tester.tcl
15set testprefix e_blobopen
16
17ifcapable !incrblob {
18  finish_test
19  return
20}
21
22forcedelete test.db2
23
24do_execsql_test 1.0 {
25  ATTACH 'test.db2' AS aux;
26
27  CREATE TABLE main.t1(a INTEGER PRIMARY KEY, b TEXT, c BLOB);
28  CREATE TEMP TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c BLOB);
29  CREATE TABLE aux.t1(a INTEGER PRIMARY KEY, b TEXT, c BLOB);
30
31  CREATE TABLE main.x1(a INTEGER PRIMARY KEY, b TEXT, c BLOB);
32  CREATE TEMP TABLE x2(a INTEGER PRIMARY KEY, b TEXT, c BLOB);
33  CREATE TABLE aux.x3(a INTEGER PRIMARY KEY, b TEXT, c BLOB);
34
35  INSERT INTO main.t1 VALUES(1, 'main one', X'0101');
36  INSERT INTO main.t1 VALUES(2, 'main two', X'0102');
37  INSERT INTO main.t1 VALUES(3, 'main three', X'0103');
38  INSERT INTO main.t1 VALUES(4, 'main four', X'0104');
39  INSERT INTO main.t1 VALUES(5, 'main five', X'0105');
40
41  INSERT INTO main.x1 VALUES(1, 'x main one', X'000101');
42  INSERT INTO main.x1 VALUES(2, 'x main two', X'000102');
43  INSERT INTO main.x1 VALUES(3, 'x main three', X'000103');
44  INSERT INTO main.x1 VALUES(4, 'x main four', X'000104');
45  INSERT INTO main.x1 VALUES(5, 'x main five', X'000105');
46
47  INSERT INTO temp.t1 VALUES(1, 'temp one', X'0201');
48  INSERT INTO temp.t1 VALUES(2, 'temp two', X'0202');
49  INSERT INTO temp.t1 VALUES(3, 'temp three', X'0203');
50  INSERT INTO temp.t1 VALUES(4, 'temp four', X'0204');
51  INSERT INTO temp.t1 VALUES(5, 'temp five', X'0205');
52
53  INSERT INTO temp.x2 VALUES(1, 'x temp one', X'000201');
54  INSERT INTO temp.x2 VALUES(2, 'x temp two', X'000202');
55  INSERT INTO temp.x2 VALUES(3, 'x temp three', X'000203');
56  INSERT INTO temp.x2 VALUES(4, 'x temp four', X'000204');
57  INSERT INTO temp.x2 VALUES(5, 'x temp five', X'000205');
58
59  INSERT INTO aux.t1 VALUES(1, 'aux one', X'0301');
60  INSERT INTO aux.t1 VALUES(2, 'aux two', X'0302');
61  INSERT INTO aux.t1 VALUES(3, 'aux three', X'0303');
62  INSERT INTO aux.t1 VALUES(4, 'aux four', X'0304');
63  INSERT INTO aux.t1 VALUES(5, 'aux five', X'0305');
64
65  INSERT INTO aux.x3 VALUES(1, 'x aux one', X'000301');
66  INSERT INTO aux.x3 VALUES(2, 'x aux two', X'000302');
67  INSERT INTO aux.x3 VALUES(3, 'x aux three', X'000303');
68  INSERT INTO aux.x3 VALUES(4, 'x aux four', X'000304');
69  INSERT INTO aux.x3 VALUES(5, 'x aux five', X'000305');
70}
71
72#-------------------------------------------------------------------------
73# EVIDENCE-OF: R-37639-55938 This interfaces opens a handle to the BLOB
74# located in row iRow, column zColumn, table zTable in database zDb; in
75# other words, the same BLOB that would be selected by: SELECT zColumn
76# FROM zDb.zTable WHERE rowid = iRow;
77#
78proc read_blob {zDb zTab zCol iRow} {
79  sqlite3_blob_open db $zDb $zTab $zCol $iRow 0 B
80  set nByte [sqlite3_blob_bytes $B]
81  set data [sqlite3_blob_read $B 0 $nByte]
82  sqlite3_blob_close $B
83  return $data
84}
85
86do_test 1.1.1 { read_blob main t1 b 1 } "main one"
87do_test 1.1.2 { read_blob main t1 c 1 } "\01\01"
88do_test 1.1.3 { read_blob temp t1 b 1 } "temp one"
89do_test 1.1.4 { read_blob temp t1 c 1 } "\02\01"
90do_test 1.1.6 { read_blob aux  t1 b 1 } "aux one"
91do_test 1.1.7 { read_blob aux  t1 c 1 } "\03\01"
92
93do_test 1.2.1 { read_blob main t1 b 4 } "main four"
94do_test 1.2.2 { read_blob main t1 c 4 } "\01\04"
95do_test 1.2.3 { read_blob temp t1 b 4 } "temp four"
96do_test 1.2.4 { read_blob temp t1 c 4 } "\02\04"
97do_test 1.2.6 { read_blob aux  t1 b 4 } "aux four"
98do_test 1.2.7 { read_blob aux  t1 c 4 } "\03\04"
99
100do_test 1.3.1 { read_blob main x1 b 2 } "x main two"
101do_test 1.3.2 { read_blob main x1 c 2 } "\00\01\02"
102do_test 1.3.3 { read_blob temp x2 b 2 } "x temp two"
103do_test 1.3.4 { read_blob temp x2 c 2 } "\00\02\02"
104do_test 1.3.6 { read_blob aux  x3 b 2 } "x aux two"
105do_test 1.3.7 { read_blob aux  x3 c 2 } "\00\03\02"
106
107#-------------------------------------------------------------------------
108# EVIDENCE-OF: R-27234-05761 Parameter zDb is not the filename that
109# contains the database, but rather the symbolic name of the database.
110# For attached databases, this is the name that appears after the AS
111# keyword in the ATTACH statement. For the main database file, the
112# database name is "main". For TEMP tables, the database name is "temp".
113#
114#   The test cases immediately above demonstrate that the database name
115#   for the main db, for TEMP tables and for those in attached databases
116#   is correct. The following tests check that filenames cannot be
117#   used as well.
118#
119do_test 2.1 {
120  list [catch { sqlite3_blob_open db "test.db" t1 b 1 0 B } msg] $msg
121} {1 SQLITE_ERROR}
122do_test 2.2 {
123  list [catch { sqlite3_blob_open db "test.db2" t1 b 1 0 B } msg] $msg
124} {1 SQLITE_ERROR}
125
126#-------------------------------------------------------------------------
127# EVIDENCE-OF: R-50854-53979 If the flags parameter is non-zero, then
128# the BLOB is opened for read and write access.
129#
130# EVIDENCE-OF: R-03922-41160 If the flags parameter is zero, the BLOB is
131# opened for read-only access.
132#
133foreach {tn iRow flags} {
134  1 1   0
135  2 2   1
136  3 3  -1
137  4 4   2147483647
138  5 5  -2147483648
139} {
140  do_test 3.$tn.1 {
141    sqlite3_blob_open db main x1 c $iRow $flags B
142    set n [sqlite3_blob_bytes $B]
143    sqlite3_blob_read $B 0 $n
144  } [binary format ccc 0 1 $iRow]
145
146  if {$flags==0} {
147    # Blob was opened for read-only access - writing returns an error.
148    do_test 3.$tn.2 {
149      list [catch { sqlite3_blob_write $B 0 xxx 3 } msg] $msg
150    } {1 SQLITE_READONLY}
151
152    do_execsql_test 3.$tn.3 {
153      SELECT c FROM x1 WHERE a=$iRow;
154    } [binary format ccc 0 1 $iRow]
155  } else {
156    # Blob was opened for read/write access - writing succeeds
157    do_test 3.$tn.4 {
158      list [catch { sqlite3_blob_write $B 0 xxx 3 } msg] $msg
159    } {0 {}}
160
161    do_execsql_test 3.$tn.5 {
162      SELECT c FROM x1 WHERE a=$iRow;
163    } {xxx}
164  }
165
166  sqlite3_blob_close $B
167}
168
169#-------------------------------------------------------------------------
170#
171reset_db
172do_execsql_test 4.0 {
173  CREATE TABLE t1(x, y);
174  INSERT INTO t1 VALUES('abcd', 152);
175  INSERT INTO t1 VALUES(NULL, X'00010203');
176  INSERT INTO t1 VALUES('', 154.2);
177
178  CREATE TABLE t2(x PRIMARY KEY, y) WITHOUT ROWID;
179  INSERT INTO t2 VALUES(1, 'blob');
180
181  CREATE TABLE t3(a PRIMARY KEY, b, c, d, e, f, UNIQUE(e, f));
182  INSERT INTO t3 VALUES('aaaa', 'bbbb', 'cccc', 'dddd', 'eeee', 'ffff');
183  CREATE INDEX t3b ON t3(b);
184
185  CREATE TABLE p1(x PRIMARY KEY);
186  INSERT INTO p1 VALUES('abc');
187
188  CREATE TABLE c1(a INTEGER PRIMARY KEY, b REFERENCES p1);
189  INSERT INTO c1 VALUES(45, 'abc');
190}
191
192proc test_blob_open {tn zDb zTab zCol iRow flags    errcode errmsg} {
193  global B
194  set B "0x1234"
195
196  if {$errcode=="SQLITE_OK"} {
197    set expected "0 {}"
198  } else {
199    set expected "1 $errcode"
200  }
201
202  set ::res [list [
203    catch { sqlite3_blob_open db $zDb $zTab $zCol $iRow $flags B } msg
204  ] $msg]
205  do_test 4.$tn.1 { set ::res } $expected
206
207  # EVIDENCE-OF: R-08940-21305 Unless it returns SQLITE_MISUSE, this
208  # function sets the database connection error code and message
209  # accessible via sqlite3_errcode() and sqlite3_errmsg() and related
210  # functions.
211  #
212  #   This proc (test_blob_open) is used below to test various error and
213  #   non-error conditions. But never SQLITE_MISUSE conditions. So these
214  #   test cases are considered as partly verifying the requirement above.
215  #   See below for a test of the SQLITE_MISUSE case.
216  #
217  do_test 4.$tn.2 {
218    sqlite3_errcode db
219  } $errcode
220  do_test 4.$tn.3 {
221    sqlite3_errmsg db
222  } $errmsg
223
224  # EVIDENCE-OF: R-31086-35521 On success, SQLITE_OK is returned and the
225  # new BLOB handle is stored in *ppBlob. Otherwise an error code is
226  # returned and, unless the error code is SQLITE_MISUSE, *ppBlob is set
227  # to NULL.
228  #
229  do_test 4.$tn.4 {
230    expr {$B == "0"}
231  } [expr {$errcode != "SQLITE_OK"}]
232
233  # EVIDENCE-OF: R-63421-15521 This means that, provided the API is not
234  # misused, it is always safe to call sqlite3_blob_close() on *ppBlob
235  # after this function it returns.
236  do_test 4.$tn.5 {
237    sqlite3_blob_close $B
238  } {}
239}
240
241# EVIDENCE-OF: R-31204-44780 Database zDb does not exist
242test_blob_open 1 nosuchdb t1 x 1 0 SQLITE_ERROR "no such table: nosuchdb.t1"
243
244# EVIDENCE-OF: R-28676-08005 Table zTable does not exist within database zDb
245test_blob_open 2 main tt1 x 1 0    SQLITE_ERROR "no such table: main.tt1"
246
247# EVIDENCE-OF: R-40134-30296 Table zTable is a WITHOUT ROWID table
248test_blob_open 3 main t2 y 1 0     SQLITE_ERROR \
249    "cannot open table without rowid: t2"
250
251# EVIDENCE-OF: R-56376-21261 Column zColumn does not exist
252test_blob_open 4 main t1 z 2 0     SQLITE_ERROR "no such column: \"z\""
253
254# EVIDENCE-OF: R-28258-23166 Row iRow is not present in the table
255test_blob_open 5 main t1 y 6 0     SQLITE_ERROR "no such rowid: 6"
256
257# EVIDENCE-OF: R-11683-62380 The specified column of row iRow contains a
258# value that is not a TEXT or BLOB value
259test_blob_open 6 main t1 x 2 0 SQLITE_ERROR "cannot open value of type null"
260test_blob_open 7 main t1 y 1 0 SQLITE_ERROR "cannot open value of type integer"
261test_blob_open 8 main t1 y 3 0 SQLITE_ERROR "cannot open value of type real"
262
263# EVIDENCE-OF: R-34146-30782 Column zColumn is part of an index, PRIMARY
264# KEY or UNIQUE constraint and the blob is being opened for read/write
265# access
266#
267# Test cases 8.1.* show that such columns can be opened for read-access.
268# Tests 8.2.* show that read-write access is different. Columns "c" and "c"
269# are not part of an index, PK or UNIQUE constraint, so they work in both
270# cases.
271#
272test_blob_open 8.1.1 main t3 a 1 0 SQLITE_OK "not an error"
273test_blob_open 8.1.2 main t3 b 1 0 SQLITE_OK "not an error"
274test_blob_open 8.1.3 main t3 c 1 0 SQLITE_OK "not an error"
275test_blob_open 8.1.4 main t3 d 1 0 SQLITE_OK "not an error"
276test_blob_open 8.1.5 main t3 e 1 0 SQLITE_OK "not an error"
277test_blob_open 8.1.6 main t3 f 1 0 SQLITE_OK "not an error"
278
279set cannot "cannot open indexed column for writing"
280test_blob_open 8.2.1 main t3 a 1 8 SQLITE_ERROR $cannot
281test_blob_open 8.2.2 main t3 b 1 8 SQLITE_ERROR $cannot
282test_blob_open 8.2.3 main t3 c 1 8 SQLITE_OK "not an error"
283test_blob_open 8.2.4 main t3 d 1 8 SQLITE_OK "not an error"
284test_blob_open 8.2.5 main t3 e 1 8 SQLITE_ERROR $cannot
285test_blob_open 8.2.6 main t3 f 1 8 SQLITE_ERROR $cannot
286
287# EVIDENCE-OF: R-50117-55204 Foreign key constraints are enabled, column
288# zColumn is part of a child key definition and the blob is being opened
289# for read/write access
290#
291#   9.1: FK disabled, read-only access.
292#   9.2: FK disabled, read-only access.
293#   9.3: FK enabled, read/write access.
294#   9.4: FK enabled, read/write access.
295#
296test_blob_open 9.1 main c1 b 45 0 SQLITE_OK "not an error"
297test_blob_open 9.2 main c1 b 45 1 SQLITE_OK "not an error"
298execsql { PRAGMA foreign_keys = ON }
299test_blob_open 9.3 main c1 b 45 0 SQLITE_OK "not an error"
300test_blob_open 9.4 main c1 b 45 1 SQLITE_ERROR \
301        "cannot open foreign key column for writing"
302
303#-------------------------------------------------------------------------
304# EVIDENCE-OF: R-08940-21305 Unless it returns SQLITE_MISUSE, this
305# function sets the database connection error code and message
306# accessible via sqlite3_errcode() and sqlite3_errmsg() and related
307# functions.
308#
309#   This requirement is partially verified by the many uses of test
310#   command [test_blob_open] above. All that is left is to verify the
311#   SQLITE_MISUSE case.
312#
313#   SQLITE_MISUSE is only returned if SQLITE_ENABLE_API_ARMOR is defined
314#   during compilation.
315#
316ifcapable api_armor {
317  sqlite3_blob_open db main t1 x 1 0 B
318
319  do_test 10.1.1 {
320    list [catch {sqlite3_blob_open $B main t1 x 1 0 B2} msg] $msg
321  } {1 SQLITE_MISUSE}
322  do_test 10.1.2 {
323    list [sqlite3_errcode db] [sqlite3_errmsg db]
324  } {SQLITE_OK {not an error}}
325  sqlite3_blob_close $B
326
327  do_test 10.2.1 {
328    list [catch {sqlite3_blob_open db main {} x 1 0 B} msg] $msg
329  } {1 SQLITE_MISUSE}
330  do_test 10.2.2 {
331    list [sqlite3_errcode db] [sqlite3_errmsg db]
332  } {SQLITE_OK {not an error}}
333}
334
335#-------------------------------------------------------------------------
336# EVIDENCE-OF: R-50542-62589 If the row that a BLOB handle points to is
337# modified by an UPDATE, DELETE, or by ON CONFLICT side-effects then the
338# BLOB handle is marked as "expired". This is true if any column of the
339# row is changed, even a column other than the one the BLOB handle is
340# open on.
341#
342# EVIDENCE-OF: R-48367-20048 Calls to sqlite3_blob_read() and
343# sqlite3_blob_write() for an expired BLOB handle fail with a return
344# code of SQLITE_ABORT.
345#
346#   11.2: read-only handle, DELETE.
347#   11.3: read-only handle, UPDATE.
348#   11.4: read-only handle, REPLACE.
349#   11.5: read/write handle, DELETE.
350#   11.6: read/write handle, UPDATE.
351#   11.7: read/write handle, REPLACE.
352#
353do_execsql_test 11.1 {
354  CREATE TABLE b1(a INTEGER PRIMARY KEY, b, c UNIQUE);
355  INSERT INTO b1 VALUES(1, '1234567890', 1);
356  INSERT INTO b1 VALUES(2, '1234567890', 2);
357  INSERT INTO b1 VALUES(3, '1234567890', 3);
358  INSERT INTO b1 VALUES(4, '1234567890', 4);
359  INSERT INTO b1 VALUES(5, '1234567890', 5);
360  INSERT INTO b1 VALUES(6, '1234567890', 6);
361
362  CREATE TABLE b2(a INTEGER PRIMARY KEY, b, c UNIQUE);
363  INSERT INTO b2 VALUES(1, '1234567890', 1);
364  INSERT INTO b2 VALUES(2, '1234567890', 2);
365  INSERT INTO b2 VALUES(3, '1234567890', 3);
366  INSERT INTO b2 VALUES(4, '1234567890', 4);
367  INSERT INTO b2 VALUES(5, '1234567890', 5);
368  INSERT INTO b2 VALUES(6, '1234567890', 6);
369}
370
371do_test 11.2.1 {
372  sqlite3_blob_open db main b1 b 2 0 B
373  sqlite3_blob_read $B 0 10
374} {1234567890}
375do_test 11.2.2 {
376  # Deleting a different row does not invalidate the blob handle.
377  execsql { DELETE FROM b1 WHERE a = 1 }
378  sqlite3_blob_read $B 0 10
379} {1234567890}
380do_test 11.2.3 {
381  execsql { DELETE FROM b1 WHERE a = 2 }
382  list [catch { sqlite3_blob_read $B 0 10 } msg] $msg
383} {1 SQLITE_ABORT}
384do_test 11.2.4 {
385  sqlite3_blob_close $B
386} {}
387
388do_test 11.3.1 {
389  sqlite3_blob_open db main b1 b 3 0 B
390  sqlite3_blob_read $B 0 10
391} {1234567890}
392do_test 11.3.2 {
393  # Updating a different row
394  execsql { UPDATE b1 SET c = 42 WHERE a=4 }
395  sqlite3_blob_read $B 0 10
396} {1234567890}
397do_test 11.3.3 {
398  execsql { UPDATE b1 SET c = 43 WHERE a=3 }
399  list [catch { sqlite3_blob_read $B 0 10 } msg] $msg
400} {1 SQLITE_ABORT}
401do_test 11.3.4 {
402  sqlite3_blob_close $B
403} {}
404
405do_test 11.4.1 {
406  sqlite3_blob_open db main b1 b 6 0 B
407  sqlite3_blob_read $B 0 10
408} {1234567890}
409do_test 11.4.2 {
410  # Replace a different row
411  execsql { INSERT OR REPLACE INTO b1 VALUES(10, 'abcdefghij', 5) }
412  sqlite3_blob_read $B 0 10
413} {1234567890}
414do_test 11.4.3 {
415  execsql { INSERT OR REPLACE INTO b1 VALUES(11, 'abcdefghij', 6) }
416  list [catch { sqlite3_blob_read $B 0 10 } msg] $msg
417} {1 SQLITE_ABORT}
418do_test 11.4.4 {
419  sqlite3_blob_close $B
420} {}
421
422do_test 11.4.1 {
423  sqlite3_blob_open db main b2 b 2 1 B
424  sqlite3_blob_write $B 0 "abcdefghij"
425} {}
426do_test 11.4.2 {
427  # Deleting a different row does not invalidate the blob handle.
428  execsql { DELETE FROM b2 WHERE a = 1 }
429  sqlite3_blob_write $B 0 "ABCDEFGHIJ"
430} {}
431do_test 11.4.3 {
432  execsql { DELETE FROM b2 WHERE a = 2 }
433  list [catch { sqlite3_blob_write $B 0 "0987654321" } msg] $msg
434} {1 SQLITE_ABORT}
435do_test 11.4.4 {
436  sqlite3_blob_close $B
437} {}
438
439do_test 11.5.1 {
440  sqlite3_blob_open db main b2 b 3 1 B
441  sqlite3_blob_write $B 0 "abcdefghij"
442} {}
443do_test 11.5.2 {
444  # Updating a different row
445  execsql { UPDATE b2 SET c = 42 WHERE a=4 }
446  sqlite3_blob_write $B 0 "ABCDEFGHIJ"
447} {}
448do_test 11.5.3 {
449  execsql { UPDATE b2 SET c = 43 WHERE a=3 }
450  list [catch { sqlite3_blob_write $B 0 "0987654321" } msg] $msg
451} {1 SQLITE_ABORT}
452do_test 11.5.4 {
453  sqlite3_blob_close $B
454} {}
455
456do_test 11.6.1 {
457  sqlite3_blob_open db main b2 b 6 1 B
458  sqlite3_blob_write $B 0 "abcdefghij"
459} {}
460do_test 11.6.2 {
461  # Replace a different row
462  execsql { INSERT OR REPLACE INTO b2 VALUES(10, 'abcdefghij', 5) }
463  sqlite3_blob_write $B 0 "ABCDEFGHIJ"
464} {}
465do_test 11.6.3 {
466  execsql { INSERT OR REPLACE INTO b2 VALUES(11, 'abcdefghij', 6) }
467  list [catch { sqlite3_blob_write $B 0 "0987654321" } msg] $msg
468} {1 SQLITE_ABORT}
469do_test 11.6.4 {
470  sqlite3_blob_close $B
471} {}
472
473#-------------------------------------------------------------------------
474# EVIDENCE-OF: R-45408-40694 Changes written into a BLOB prior to the
475# BLOB expiring are not rolled back by the expiration of the BLOB. Such
476# changes will eventually commit if the transaction continues to
477# completion.
478#
479do_execsql_test 12.1 {
480  CREATE TABLE b3(x INTEGER PRIMARY KEY, y TEXT, z INTEGER);
481  INSERT INTO b3 VALUES(22, '..........', NULL);
482}
483do_test 12.2 {
484  sqlite3_blob_open db main b3 y 22 1 B
485  sqlite3_blob_write $B 0 "xxxxx" 5
486} {}
487do_execsql_test 12.3 {
488  UPDATE b3 SET z = 'not null';
489}
490do_test 12.4 {
491  list [catch {sqlite3_blob_write $B 5 "xxxxx" 5} msg] $msg
492} {1 SQLITE_ABORT}
493do_execsql_test 12.5 {
494  SELECT * FROM b3;
495} {22 xxxxx..... {not null}}
496do_test 12.5 {
497  sqlite3_blob_close $B
498} {}
499do_execsql_test 12.6 {
500  SELECT * FROM b3;
501} {22 xxxxx..... {not null}}
502
503#-------------------------------------------------------------------------
504# EVIDENCE-OF: R-58813-55036 The sqlite3_bind_zeroblob() and
505# sqlite3_result_zeroblob() interfaces and the built-in zeroblob SQL
506# function may be used to create a zero-filled blob to read or write
507# using the incremental-blob interface.
508#
509do_execsql_test 13.1 {
510  CREATE TABLE c2(i INTEGER PRIMARY KEY, j);
511  INSERT INTO c2 VALUES(10, zeroblob(24));
512}
513
514do_test 13.2 {
515  set stmt [sqlite3_prepare_v2 db "INSERT INTO c2 VALUES(11, ?)" -1]
516  sqlite3_bind_zeroblob $stmt 1 45
517  sqlite3_step $stmt
518  sqlite3_finalize $stmt
519} {SQLITE_OK}
520
521# The blobs can be read:
522#
523do_test 13.3.1 {
524  sqlite3_blob_open db main c2 j 10 1 B
525  sqlite3_blob_open db main c2 j 11 1 B2
526  list [sqlite3_blob_bytes $B] [sqlite3_blob_bytes $B2]
527} {24 45}
528do_test 13.3.2 {
529  sqlite3_blob_read $B 0 24
530} [string repeat [binary format c 0] 24]
531do_test 13.3.3 {
532  sqlite3_blob_read $B2 0 45
533} [string repeat [binary format c 0] 45]
534
535# And also written:
536#
537do_test 13.4.1 {
538  sqlite3_blob_write $B 0 [string repeat [binary format c 1] 24]
539} {}
540do_test 13.4.2 {
541  sqlite3_blob_write $B2 0 [string repeat [binary format c 1] 45]
542} {}
543do_test 13.5 {
544  sqlite3_blob_close $B
545  sqlite3_blob_close $B2
546  execsql { SELECT j FROM c2 }
547} [list \
548    [string repeat [binary format c 1] 24] \
549    [string repeat [binary format c 1] 45] \
550]
551
552
553finish_test
554