1348784efSdrh /* 2b19a2bc6Sdrh ** 2001 September 15 3348784efSdrh ** 4b19a2bc6Sdrh ** The author disclaims copyright to this source code. In place of 5b19a2bc6Sdrh ** a legal notice, here is a blessing: 6348784efSdrh ** 7b19a2bc6Sdrh ** May you do good and not evil. 8b19a2bc6Sdrh ** May you find forgiveness for yourself and forgive others. 9b19a2bc6Sdrh ** May you share freely, never taking more than you give. 10348784efSdrh ** 11348784efSdrh ************************************************************************* 12348784efSdrh ** This file contains SQLite's grammar for SQL. Process this file 13348784efSdrh ** using the lemon parser generator to generate C code that runs 14348784efSdrh ** the parser. Lemon will also generate a header file containing 15348784efSdrh ** numeric codes for all of the tokens. 16348784efSdrh ** 17*ffe07b2dSdrh ** @(#) $Id: parse.y,v 1.181 2005/11/03 00:41:17 drh Exp $ 18348784efSdrh */ 19487e262fSdrh 20487e262fSdrh // All token codes are small integers with #defines that begin with "TK_" 21348784efSdrh %token_prefix TK_ 22487e262fSdrh 23487e262fSdrh // The type of the data attached to each token is Token. This is also the 24487e262fSdrh // default type for non-terminals. 25487e262fSdrh // 26348784efSdrh %token_type {Token} 27f57b14a6Sdrh %default_type {Token} 28487e262fSdrh 29487e262fSdrh // The generated parser function takes a 4th argument as follows: 30348784efSdrh %extra_argument {Parse *pParse} 31487e262fSdrh 32487e262fSdrh // This code runs whenever there is a syntax error 33487e262fSdrh // 34348784efSdrh %syntax_error { 35b86ccfb2Sdrh if( pParse->zErrMsg==0 ){ 36b86ccfb2Sdrh if( TOKEN.z[0] ){ 374adee20fSdanielk1977 sqlite3ErrorMsg(pParse, "near \"%T\": syntax error", &TOKEN); 38b86ccfb2Sdrh }else{ 394adee20fSdanielk1977 sqlite3ErrorMsg(pParse, "incomplete SQL statement"); 40b86ccfb2Sdrh } 41b86ccfb2Sdrh } 42348784efSdrh } 43487e262fSdrh 44487e262fSdrh // The name of the generated procedure that implements the parser 45487e262fSdrh // is as follows: 464adee20fSdanielk1977 %name sqlite3Parser 47487e262fSdrh 48487e262fSdrh // The following text is included near the beginning of the C source 49487e262fSdrh // code file that implements the parser. 50487e262fSdrh // 51348784efSdrh %include { 52348784efSdrh #include "sqliteInt.h" 53348784efSdrh #include "parse.h" 549bbca4c1Sdrh 559bbca4c1Sdrh /* 56ad3cab52Sdrh ** An instance of this structure holds information about the 57ad3cab52Sdrh ** LIMIT clause of a SELECT statement. 589bbca4c1Sdrh */ 59ad3cab52Sdrh struct LimitVal { 60a2dc3b1aSdanielk1977 Expr *pLimit; /* The LIMIT expression. NULL if there is no limit */ 61a2dc3b1aSdanielk1977 Expr *pOffset; /* The OFFSET expression. NULL if there is none */ 62ad3cab52Sdrh }; 63c3f9bad2Sdanielk1977 64c3f9bad2Sdanielk1977 /* 652e3a1f16Sdrh ** An instance of this structure is used to store the LIKE, 662e3a1f16Sdrh ** GLOB, NOT LIKE, and NOT GLOB operators. 672e3a1f16Sdrh */ 682e3a1f16Sdrh struct LikeOp { 69b71090fdSdrh Token operator; /* "like" or "glob" or "regexp" */ 702e3a1f16Sdrh int not; /* True if the NOT keyword is present */ 712e3a1f16Sdrh }; 722e3a1f16Sdrh 732e3a1f16Sdrh /* 74ad3cab52Sdrh ** An instance of the following structure describes the event of a 75ad3cab52Sdrh ** TRIGGER. "a" is the event type, one of TK_UPDATE, TK_INSERT, 76ad3cab52Sdrh ** TK_DELETE, or TK_INSTEAD. If the event is of the form 77ad3cab52Sdrh ** 78ad3cab52Sdrh ** UPDATE ON (a,b,c) 79ad3cab52Sdrh ** 80ad3cab52Sdrh ** Then the "b" IdList records the list "a,b,c". 81c3f9bad2Sdanielk1977 */ 82ad3cab52Sdrh struct TrigEvent { int a; IdList * b; }; 83caec2f12Sdrh 8425d6543dSdrh /* 8525d6543dSdrh ** An instance of this structure holds the ATTACH key and the key type. 8625d6543dSdrh */ 8725d6543dSdrh struct AttachKey { int type; Token key; }; 8825d6543dSdrh 89caec2f12Sdrh } // end %include 90348784efSdrh 91348784efSdrh // These are extra tokens used by the lexer but never seen by the 92348784efSdrh // parser. We put them in a rule so that the parser generator will 936206d50aSdrh // add them to the parse.h output file. 94348784efSdrh // 95c4a3c779Sdrh %nonassoc END_OF_FILE ILLEGAL SPACE UNCLOSED_STRING COMMENT FUNCTION 9613449892Sdrh COLUMN AGG_FUNCTION AGG_COLUMN CONST_FUNC. 97c4a3c779Sdrh 98826fb5a3Sdrh // Input is a single SQL command 99c4a3c779Sdrh input ::= cmdlist. 100094b2bbfSdrh cmdlist ::= cmdlist ecmd. 101826fb5a3Sdrh cmdlist ::= ecmd. 10280242055Sdrh cmdx ::= cmd. { sqlite3FinishCoding(pParse); } 103b7f9164eSdrh ecmd ::= SEMI. 104b7f9164eSdrh ecmd ::= explain cmdx SEMI. 1054adee20fSdanielk1977 explain ::= . { sqlite3BeginParse(pParse, 0); } 106b7f9164eSdrh %ifndef SQLITE_OMIT_EXPLAIN 107b7f9164eSdrh explain ::= EXPLAIN. { sqlite3BeginParse(pParse, 1); } 108ecc9242fSdrh explain ::= EXPLAIN QUERY PLAN. { sqlite3BeginParse(pParse, 2); } 109b7f9164eSdrh %endif 110348784efSdrh 111382c0247Sdrh ///////////////////// Begin and end transactions. //////////////////////////// 112c4a3c779Sdrh // 113fa86c412Sdrh 114684917c2Sdrh cmd ::= BEGIN transtype(Y) trans_opt. {sqlite3BeginTransaction(pParse, Y);} 115c4a3c779Sdrh trans_opt ::= . 116c4a3c779Sdrh trans_opt ::= TRANSACTION. 1175ad1a6c8Sdrh trans_opt ::= TRANSACTION nm. 118684917c2Sdrh %type transtype {int} 119684917c2Sdrh transtype(A) ::= . {A = TK_DEFERRED;} 120684917c2Sdrh transtype(A) ::= DEFERRED(X). {A = @X;} 121684917c2Sdrh transtype(A) ::= IMMEDIATE(X). {A = @X;} 122684917c2Sdrh transtype(A) ::= EXCLUSIVE(X). {A = @X;} 1234adee20fSdanielk1977 cmd ::= COMMIT trans_opt. {sqlite3CommitTransaction(pParse);} 1244adee20fSdanielk1977 cmd ::= END trans_opt. {sqlite3CommitTransaction(pParse);} 1254adee20fSdanielk1977 cmd ::= ROLLBACK trans_opt. {sqlite3RollbackTransaction(pParse);} 126c4a3c779Sdrh 127382c0247Sdrh ///////////////////// The CREATE TABLE statement //////////////////////////// 128348784efSdrh // 129348784efSdrh cmd ::= create_table create_table_args. 130cbb18d22Sdanielk1977 create_table ::= CREATE(X) temp(T) TABLE nm(Y) dbnm(Z). { 131cbb18d22Sdanielk1977 sqlite3StartTable(pParse,&X,&Y,&Z,T,0); 132969fa7c1Sdrh } 133f57b3399Sdrh %type temp {int} 13453c0f748Sdanielk1977 %ifndef SQLITE_OMIT_TEMPDB 135d24cc427Sdrh temp(A) ::= TEMP. {A = 1;} 13653c0f748Sdanielk1977 %endif 137d24cc427Sdrh temp(A) ::= . {A = 0;} 13819a8e7e8Sdanielk1977 create_table_args ::= LP columnlist conslist_opt(X) RP(Y). { 13919a8e7e8Sdanielk1977 sqlite3EndTable(pParse,&X,&Y,0); 140969fa7c1Sdrh } 141969fa7c1Sdrh create_table_args ::= AS select(S). { 14219a8e7e8Sdanielk1977 sqlite3EndTable(pParse,0,0,S); 1434adee20fSdanielk1977 sqlite3SelectDelete(S); 144969fa7c1Sdrh } 145348784efSdrh columnlist ::= columnlist COMMA column. 146348784efSdrh columnlist ::= column. 147348784efSdrh 148487e262fSdrh // A "column" is a complete description of a single column in a 149487e262fSdrh // CREATE TABLE statement. This includes the column name, its 150487e262fSdrh // datatype, and other keywords such as PRIMARY KEY, UNIQUE, REFERENCES, 151487e262fSdrh // NOT NULL and so forth. 152348784efSdrh // 15319a8e7e8Sdanielk1977 column(A) ::= columnid(X) type carglist. { 15419a8e7e8Sdanielk1977 A.z = X.z; 15519a8e7e8Sdanielk1977 A.n = (pParse->sLastToken.z-X.z) + pParse->sLastToken.n; 15619a8e7e8Sdanielk1977 } 15719a8e7e8Sdanielk1977 columnid(A) ::= nm(X). { 15819a8e7e8Sdanielk1977 sqlite3AddColumn(pParse,&X); 15919a8e7e8Sdanielk1977 A = X; 16019a8e7e8Sdanielk1977 } 16119a8e7e8Sdanielk1977 162c4a3c779Sdrh 163c4a3c779Sdrh // An IDENTIFIER can be a generic identifier, or one of several 164c4a3c779Sdrh // keywords. Any non-standard keyword can also be an identifier. 165c4a3c779Sdrh // 166982cef7eSdrh %type id {Token} 167f18543caSdrh id(A) ::= ID(X). {A = X;} 1680bd1f4eaSdrh 16934e33bb8Sdrh // The following directive causes tokens ABORT, AFTER, ASC, etc. to 17034e33bb8Sdrh // fallback to ID if they will not parse as their original value. 17134e33bb8Sdrh // This obviates the need for the "id" nonterminal. 17234e33bb8Sdrh // 1730bd1f4eaSdrh %fallback ID 1749f18e8a0Sdrh ABORT AFTER ANALYZE ASC ATTACH BEFORE BEGIN CASCADE CAST CONFLICT 175684917c2Sdrh DATABASE DEFERRED DESC DETACH EACH END EXCLUSIVE EXPLAIN FAIL FOR 176ecc9242fSdrh IGNORE IMMEDIATE INITIALLY INSTEAD LIKE_KW MATCH PLAN QUERY KEY 1775ad1a6c8Sdrh OF OFFSET PRAGMA RAISE REPLACE RESTRICT ROW STATEMENT 178b7f9164eSdrh TEMP TRIGGER VACUUM VIEW 179b7f9164eSdrh %ifdef SQLITE_OMIT_COMPOUND_SELECT 180b7f9164eSdrh EXCEPT INTERSECT UNION 181b7f9164eSdrh %endif 182b71090fdSdrh REINDEX RENAME CTIME_KW ALTER 183b7f9164eSdrh . 184c4a3c779Sdrh 1852d3917daSdrh // Define operator precedence early so that this is the first occurance 1862d3917daSdrh // of the operator tokens in the grammer. Keeping the operators together 1872d3917daSdrh // causes them to be assigned integer values that are close together, 1882d3917daSdrh // which keeps parser tables smaller. 1892d3917daSdrh // 190f2bc013cSdrh // The token values assigned to these symbols is determined by the order 191f2bc013cSdrh // in which lemon first sees them. It must be the case that ISNULL/NOTNULL, 192f2bc013cSdrh // NE/EQ, GT/LE, and GE/LT are separated by only a single value. See 193f2bc013cSdrh // the sqlite3ExprIfFalse() routine for additional information on this 194f2bc013cSdrh // constraint. 195f2bc013cSdrh // 1962d3917daSdrh %left OR. 1972d3917daSdrh %left AND. 1982d3917daSdrh %right NOT. 199b71090fdSdrh %left IS LIKE_KW BETWEEN IN ISNULL NOTNULL NE EQ. 2009a43267bSdrh %left GT LE LT GE. 2017c6303c0Sdanielk1977 %right ESCAPE. 2022d3917daSdrh %left BITAND BITOR LSHIFT RSHIFT. 2032d3917daSdrh %left PLUS MINUS. 2042d3917daSdrh %left STAR SLASH REM. 2052d3917daSdrh %left CONCAT. 2062d3917daSdrh %right UMINUS UPLUS BITNOT. 2072d3917daSdrh 208c4a3c779Sdrh // And "ids" is an identifer-or-string. 209c4a3c779Sdrh // 210c4a3c779Sdrh %type ids {Token} 2115ad1a6c8Sdrh ids(A) ::= ID(X). {A = X;} 212c4a3c779Sdrh ids(A) ::= STRING(X). {A = X;} 213c4a3c779Sdrh 2145ad1a6c8Sdrh // The name of a column or table can be any of the following: 2155ad1a6c8Sdrh // 2165ad1a6c8Sdrh %type nm {Token} 2175ad1a6c8Sdrh nm(A) ::= ID(X). {A = X;} 2185ad1a6c8Sdrh nm(A) ::= STRING(X). {A = X;} 2195ad1a6c8Sdrh nm(A) ::= JOIN_KW(X). {A = X;} 2205ad1a6c8Sdrh 221487e262fSdrh // A typetoken is really one or more tokens that form a type name such 222487e262fSdrh // as can be found after the column name in a CREATE TABLE statement. 223487e262fSdrh // Multiple tokens are concatenated to form the value of the typetoken. 224487e262fSdrh // 225487e262fSdrh %type typetoken {Token} 226382c0247Sdrh type ::= . 227487e262fSdrh type ::= typetoken(X). {sqlite3AddColumnType(pParse,&X);} 228487e262fSdrh typetoken(A) ::= typename(X). {A = X;} 229487e262fSdrh typetoken(A) ::= typename(X) LP signed RP(Y). { 230487e262fSdrh A.z = X.z; 231487e262fSdrh A.n = &Y.z[Y.n] - X.z; 232487e262fSdrh } 233487e262fSdrh typetoken(A) ::= typename(X) LP signed COMMA signed RP(Y). { 234487e262fSdrh A.z = X.z; 235487e262fSdrh A.n = &Y.z[Y.n] - X.z; 236487e262fSdrh } 237382c0247Sdrh %type typename {Token} 238382c0247Sdrh typename(A) ::= ids(X). {A = X;} 239596bd235Sdrh typename(A) ::= typename(X) ids(Y). {A.z=X.z; A.n=Y.n+(Y.z-X.z);} 240ef0cae50Sdrh %type signed {int} 24174ad7fe9Sdrh signed(A) ::= plus_num(X). { A = atoi(X.z); } 24274ad7fe9Sdrh signed(A) ::= minus_num(X). { A = -atoi(X.z); } 243487e262fSdrh 244487e262fSdrh // "carglist" is a list of additional constraints that come after the 245487e262fSdrh // column name and column type in a CREATE TABLE statement. 246487e262fSdrh // 247348784efSdrh carglist ::= carglist carg. 248348784efSdrh carglist ::= . 2495ad1a6c8Sdrh carg ::= CONSTRAINT nm ccons. 250348784efSdrh carg ::= ccons. 2517977a17fSdanielk1977 carg ::= DEFAULT term(X). {sqlite3AddDefaultValue(pParse,X);} 252eb55bd2fSdrh carg ::= DEFAULT LP expr(X) RP. {sqlite3AddDefaultValue(pParse,X);} 2537977a17fSdanielk1977 carg ::= DEFAULT PLUS term(X). {sqlite3AddDefaultValue(pParse,X);} 2547977a17fSdanielk1977 carg ::= DEFAULT MINUS term(X). { 2557977a17fSdanielk1977 Expr *p = sqlite3Expr(TK_UMINUS, X, 0, 0); 2567977a17fSdanielk1977 sqlite3AddDefaultValue(pParse,p); 2577977a17fSdanielk1977 } 2587977a17fSdanielk1977 carg ::= DEFAULT id(X). { 2597977a17fSdanielk1977 Expr *p = sqlite3Expr(TK_STRING, 0, 0, &X); 2607977a17fSdanielk1977 sqlite3AddDefaultValue(pParse,p); 2617977a17fSdanielk1977 } 262348784efSdrh 263382c0247Sdrh // In addition to the type name, we also care about the primary key and 264382c0247Sdrh // UNIQUE constraints. 265348784efSdrh // 2660d316a40Sdrh ccons ::= NULL onconf. 2674adee20fSdanielk1977 ccons ::= NOT NULL onconf(R). {sqlite3AddNotNull(pParse, R);} 268205f48e6Sdrh ccons ::= PRIMARY KEY sortorder onconf(R) autoinc(I). 269205f48e6Sdrh {sqlite3AddPrimaryKey(pParse,0,R,I);} 270cbb18d22Sdanielk1977 ccons ::= UNIQUE onconf(R). {sqlite3CreateIndex(pParse,0,0,0,0,R,0,0);} 271*ffe07b2dSdrh ccons ::= CHECK LP expr(X) RP. {sqlite3AddCheckConstraint(pParse, X);} 272c2eef3b3Sdrh ccons ::= REFERENCES nm(T) idxlist_opt(TA) refargs(R). 2734adee20fSdanielk1977 {sqlite3CreateForeignKey(pParse,0,&T,TA,R);} 2744adee20fSdanielk1977 ccons ::= defer_subclause(D). {sqlite3DeferForeignKey(pParse,D);} 275d3d39e93Sdrh ccons ::= COLLATE id(C). {sqlite3AddCollateType(pParse, C.z, C.n);} 27604738cb9Sdrh 277205f48e6Sdrh // The optional AUTOINCREMENT keyword 278205f48e6Sdrh %type autoinc {int} 279205f48e6Sdrh autoinc(X) ::= . {X = 0;} 2802958a4e6Sdrh autoinc(X) ::= AUTOINCR. {X = 1;} 281205f48e6Sdrh 282c2eef3b3Sdrh // The next group of rules parses the arguments to a REFERENCES clause 283c2eef3b3Sdrh // that determine if the referential integrity checking is deferred or 284c2eef3b3Sdrh // or immediate and which determine what action to take if a ref-integ 285c2eef3b3Sdrh // check fails. 28604738cb9Sdrh // 287c2eef3b3Sdrh %type refargs {int} 288c2eef3b3Sdrh refargs(A) ::= . { A = OE_Restrict * 0x010101; } 289c2eef3b3Sdrh refargs(A) ::= refargs(X) refarg(Y). { A = (X & Y.mask) | Y.value; } 290c2eef3b3Sdrh %type refarg {struct {int value; int mask;}} 291c2eef3b3Sdrh refarg(A) ::= MATCH nm. { A.value = 0; A.mask = 0x000000; } 292c2eef3b3Sdrh refarg(A) ::= ON DELETE refact(X). { A.value = X; A.mask = 0x0000ff; } 293c2eef3b3Sdrh refarg(A) ::= ON UPDATE refact(X). { A.value = X<<8; A.mask = 0x00ff00; } 294c2eef3b3Sdrh refarg(A) ::= ON INSERT refact(X). { A.value = X<<16; A.mask = 0xff0000; } 295c2eef3b3Sdrh %type refact {int} 296c2eef3b3Sdrh refact(A) ::= SET NULL. { A = OE_SetNull; } 297c2eef3b3Sdrh refact(A) ::= SET DEFAULT. { A = OE_SetDflt; } 298c2eef3b3Sdrh refact(A) ::= CASCADE. { A = OE_Cascade; } 299c2eef3b3Sdrh refact(A) ::= RESTRICT. { A = OE_Restrict; } 300c2eef3b3Sdrh %type defer_subclause {int} 301c2eef3b3Sdrh defer_subclause(A) ::= NOT DEFERRABLE init_deferred_pred_opt(X). {A = X;} 302c2eef3b3Sdrh defer_subclause(A) ::= DEFERRABLE init_deferred_pred_opt(X). {A = X;} 303c2eef3b3Sdrh %type init_deferred_pred_opt {int} 304c2eef3b3Sdrh init_deferred_pred_opt(A) ::= . {A = 0;} 305c2eef3b3Sdrh init_deferred_pred_opt(A) ::= INITIALLY DEFERRED. {A = 1;} 306c2eef3b3Sdrh init_deferred_pred_opt(A) ::= INITIALLY IMMEDIATE. {A = 0;} 307348784efSdrh 308348784efSdrh // For the time being, the only constraint we care about is the primary 309382c0247Sdrh // key and UNIQUE. Both create indices. 310348784efSdrh // 31119a8e7e8Sdanielk1977 conslist_opt(A) ::= . {A.n = 0; A.z = 0;} 31219a8e7e8Sdanielk1977 conslist_opt(A) ::= COMMA(X) conslist. {A = X;} 313348784efSdrh conslist ::= conslist COMMA tcons. 314a2e1bb5aSdrh conslist ::= conslist tcons. 315348784efSdrh conslist ::= tcons. 3165ad1a6c8Sdrh tcons ::= CONSTRAINT nm. 317f3388144Sdrh tcons ::= PRIMARY KEY LP idxlist(X) autoinc(I) RP onconf(R). 318205f48e6Sdrh {sqlite3AddPrimaryKey(pParse,X,R,I);} 3199cfcf5d4Sdrh tcons ::= UNIQUE LP idxlist(X) RP onconf(R). 320cbb18d22Sdanielk1977 {sqlite3CreateIndex(pParse,0,0,0,X,R,0,0);} 3219cfcf5d4Sdrh tcons ::= CHECK expr onconf. 322c2eef3b3Sdrh tcons ::= FOREIGN KEY LP idxlist(FA) RP 323c2eef3b3Sdrh REFERENCES nm(T) idxlist_opt(TA) refargs(R) defer_subclause_opt(D). { 3244adee20fSdanielk1977 sqlite3CreateForeignKey(pParse, FA, &T, TA, R); 3254adee20fSdanielk1977 sqlite3DeferForeignKey(pParse, D); 326c2eef3b3Sdrh } 327c2eef3b3Sdrh %type defer_subclause_opt {int} 328c2eef3b3Sdrh defer_subclause_opt(A) ::= . {A = 0;} 329c2eef3b3Sdrh defer_subclause_opt(A) ::= defer_subclause(X). {A = X;} 3309cfcf5d4Sdrh 3319cfcf5d4Sdrh // The following is a non-standard extension that allows us to declare the 3329cfcf5d4Sdrh // default behavior when there is a constraint conflict. 3339cfcf5d4Sdrh // 3349cfcf5d4Sdrh %type onconf {int} 3351c92853dSdrh %type orconf {int} 3361c92853dSdrh %type resolvetype {int} 3371c92853dSdrh onconf(A) ::= . {A = OE_Default;} 3381c92853dSdrh onconf(A) ::= ON CONFLICT resolvetype(X). {A = X;} 3391c92853dSdrh orconf(A) ::= . {A = OE_Default;} 3401c92853dSdrh orconf(A) ::= OR resolvetype(X). {A = X;} 34174ad7fe9Sdrh resolvetype(A) ::= raisetype(X). {A = X;} 3421c92853dSdrh resolvetype(A) ::= IGNORE. {A = OE_Ignore;} 3431c92853dSdrh resolvetype(A) ::= REPLACE. {A = OE_Replace;} 344348784efSdrh 345382c0247Sdrh ////////////////////////// The DROP TABLE ///////////////////////////////////// 346348784efSdrh // 34774ad7fe9Sdrh cmd ::= DROP TABLE fullname(X). { 34874ad7fe9Sdrh sqlite3DropTable(pParse, X, 0); 349a8858103Sdanielk1977 } 350348784efSdrh 351a76b5dfcSdrh ///////////////////// The CREATE VIEW statement ///////////////////////////// 352a76b5dfcSdrh // 353b7f9164eSdrh %ifndef SQLITE_OMIT_VIEW 35448dec7e2Sdanielk1977 cmd ::= CREATE(X) temp(T) VIEW nm(Y) dbnm(Z) AS select(S). { 35548dec7e2Sdanielk1977 sqlite3CreateView(pParse, &X, &Y, &Z, S, T); 356a76b5dfcSdrh } 35774ad7fe9Sdrh cmd ::= DROP VIEW fullname(X). { 35874ad7fe9Sdrh sqlite3DropTable(pParse, X, 1); 359a76b5dfcSdrh } 360b7f9164eSdrh %endif // SQLITE_OMIT_VIEW 361a76b5dfcSdrh 362382c0247Sdrh //////////////////////// The SELECT statement ///////////////////////////////// 363348784efSdrh // 3649bb61fe7Sdrh cmd ::= select(X). { 365b3bce662Sdanielk1977 sqlite3Select(pParse, X, SRT_Callback, 0, 0, 0, 0, 0); 3664adee20fSdanielk1977 sqlite3SelectDelete(X); 3679bb61fe7Sdrh } 368efb7251dSdrh 3699bb61fe7Sdrh %type select {Select*} 3704adee20fSdanielk1977 %destructor select {sqlite3SelectDelete($$);} 37182c3d636Sdrh %type oneselect {Select*} 3724adee20fSdanielk1977 %destructor oneselect {sqlite3SelectDelete($$);} 3739bb61fe7Sdrh 37482c3d636Sdrh select(A) ::= oneselect(X). {A = X;} 375b7f9164eSdrh %ifndef SQLITE_OMIT_COMPOUND_SELECT 3760a36c57eSdrh select(A) ::= select(X) multiselect_op(Y) oneselect(Z). { 377daffd0e5Sdrh if( Z ){ 37882c3d636Sdrh Z->op = Y; 37982c3d636Sdrh Z->pPrior = X; 380daffd0e5Sdrh } 38182c3d636Sdrh A = Z; 38282c3d636Sdrh } 3830a36c57eSdrh %type multiselect_op {int} 38474ad7fe9Sdrh multiselect_op(A) ::= UNION(OP). {A = @OP;} 3850a36c57eSdrh multiselect_op(A) ::= UNION ALL. {A = TK_ALL;} 38674ad7fe9Sdrh multiselect_op(A) ::= INTERSECT(OP). {A = @OP;} 38774ad7fe9Sdrh multiselect_op(A) ::= EXCEPT(OP). {A = @OP;} 388b7f9164eSdrh %endif // SQLITE_OMIT_COMPOUND_SELECT 38982c3d636Sdrh oneselect(A) ::= SELECT distinct(D) selcollist(W) from(X) where_opt(Y) 3909bbca4c1Sdrh groupby_opt(P) having_opt(Q) orderby_opt(Z) limit_opt(L). { 391a2dc3b1aSdanielk1977 A = sqlite3SelectNew(W,X,Y,P,Q,Z,D,L.pLimit,L.pOffset); 3929bb61fe7Sdrh } 3939bb61fe7Sdrh 3949bb61fe7Sdrh // The "distinct" nonterminal is true (1) if the DISTINCT keyword is 3959bb61fe7Sdrh // present and false (0) if it is not. 3969bb61fe7Sdrh // 397efb7251dSdrh %type distinct {int} 398efb7251dSdrh distinct(A) ::= DISTINCT. {A = 1;} 399fef5208cSdrh distinct(A) ::= ALL. {A = 0;} 400efb7251dSdrh distinct(A) ::= . {A = 0;} 401348784efSdrh 4029bb61fe7Sdrh // selcollist is a list of expressions that are to become the return 4037c917d19Sdrh // values of the SELECT statement. The "*" in statements like 4047c917d19Sdrh // "SELECT * FROM ..." is encoded as a special expression with an 4057c917d19Sdrh // opcode of TK_ALL. 4069bb61fe7Sdrh // 407348784efSdrh %type selcollist {ExprList*} 4084adee20fSdanielk1977 %destructor selcollist {sqlite3ExprListDelete($$);} 409348784efSdrh %type sclp {ExprList*} 4104adee20fSdanielk1977 %destructor sclp {sqlite3ExprListDelete($$);} 411348784efSdrh sclp(A) ::= selcollist(X) COMMA. {A = X;} 412348784efSdrh sclp(A) ::= . {A = 0;} 41301f3f253Sdrh selcollist(A) ::= sclp(P) expr(X) as(Y). { 4144adee20fSdanielk1977 A = sqlite3ExprListAppend(P,X,Y.n?&Y:0); 41501f3f253Sdrh } 4167c917d19Sdrh selcollist(A) ::= sclp(P) STAR. { 4174adee20fSdanielk1977 A = sqlite3ExprListAppend(P, sqlite3Expr(TK_ALL, 0, 0, 0), 0); 4187c917d19Sdrh } 4195ad1a6c8Sdrh selcollist(A) ::= sclp(P) nm(X) DOT STAR. { 4204adee20fSdanielk1977 Expr *pRight = sqlite3Expr(TK_ALL, 0, 0, 0); 4214adee20fSdanielk1977 Expr *pLeft = sqlite3Expr(TK_ID, 0, 0, &X); 4224adee20fSdanielk1977 A = sqlite3ExprListAppend(P, sqlite3Expr(TK_DOT, pLeft, pRight, 0), 0); 42354473229Sdrh } 42401f3f253Sdrh 42501f3f253Sdrh // An option "AS <id>" phrase that can follow one of the expressions that 42601f3f253Sdrh // define the result set, or one of the tables in the FROM clause. 42701f3f253Sdrh // 42801f3f253Sdrh %type as {Token} 4295ad1a6c8Sdrh as(X) ::= AS nm(Y). {X = Y;} 4305ad1a6c8Sdrh as(X) ::= ids(Y). {X = Y;} 43101f3f253Sdrh as(X) ::= . {X.n = 0;} 4329bb61fe7Sdrh 433348784efSdrh 434ad3cab52Sdrh %type seltablist {SrcList*} 4354adee20fSdanielk1977 %destructor seltablist {sqlite3SrcListDelete($$);} 436ad3cab52Sdrh %type stl_prefix {SrcList*} 4374adee20fSdanielk1977 %destructor stl_prefix {sqlite3SrcListDelete($$);} 438ad3cab52Sdrh %type from {SrcList*} 4394adee20fSdanielk1977 %destructor from {sqlite3SrcListDelete($$);} 440348784efSdrh 44101f3f253Sdrh // A complete FROM clause. 44201f3f253Sdrh // 443bf3a4fa4Sdrh from(A) ::= . {A = sqliteMalloc(sizeof(*A));} 444348784efSdrh from(A) ::= FROM seltablist(X). {A = X;} 44501f3f253Sdrh 44601f3f253Sdrh // "seltablist" is a "Select Table List" - the content of the FROM clause 44701f3f253Sdrh // in a SELECT statement. "stl_prefix" is a prefix of this list. 44801f3f253Sdrh // 44901f3f253Sdrh stl_prefix(A) ::= seltablist(X) joinop(Y). { 45001f3f253Sdrh A = X; 45101f3f253Sdrh if( A && A->nSrc>0 ) A->a[A->nSrc-1].jointype = Y; 45201f3f253Sdrh } 453348784efSdrh stl_prefix(A) ::= . {A = 0;} 454113088ecSdrh seltablist(A) ::= stl_prefix(X) nm(Y) dbnm(D) as(Z) on_opt(N) using_opt(U). { 4554adee20fSdanielk1977 A = sqlite3SrcListAppend(X,&Y,&D); 4564adee20fSdanielk1977 if( Z.n ) sqlite3SrcListAddAlias(A,&Z); 45701f3f253Sdrh if( N ){ 45801f3f253Sdrh if( A && A->nSrc>1 ){ A->a[A->nSrc-2].pOn = N; } 4594adee20fSdanielk1977 else { sqlite3ExprDelete(N); } 460c4a3c779Sdrh } 46101f3f253Sdrh if( U ){ 46201f3f253Sdrh if( A && A->nSrc>1 ){ A->a[A->nSrc-2].pUsing = U; } 4634adee20fSdanielk1977 else { sqlite3IdListDelete(U); } 46401f3f253Sdrh } 46501f3f253Sdrh } 46651522cd3Sdrh %ifndef SQLITE_OMIT_SUBQUERY 467b733d037Sdrh seltablist(A) ::= stl_prefix(X) LP seltablist_paren(S) RP 468b733d037Sdrh as(Z) on_opt(N) using_opt(U). { 4694adee20fSdanielk1977 A = sqlite3SrcListAppend(X,0,0); 470ad3cab52Sdrh A->a[A->nSrc-1].pSelect = S; 4714adee20fSdanielk1977 if( Z.n ) sqlite3SrcListAddAlias(A,&Z); 47201f3f253Sdrh if( N ){ 47301f3f253Sdrh if( A && A->nSrc>1 ){ A->a[A->nSrc-2].pOn = N; } 4744adee20fSdanielk1977 else { sqlite3ExprDelete(N); } 47522f70c32Sdrh } 47601f3f253Sdrh if( U ){ 47701f3f253Sdrh if( A && A->nSrc>1 ){ A->a[A->nSrc-2].pUsing = U; } 4784adee20fSdanielk1977 else { sqlite3IdListDelete(U); } 479d5feede1Sdrh } 48022f70c32Sdrh } 481348784efSdrh 482b733d037Sdrh // A seltablist_paren nonterminal represents anything in a FROM that 483b733d037Sdrh // is contained inside parentheses. This can be either a subquery or 484b733d037Sdrh // a grouping of table and subqueries. 485b733d037Sdrh // 486b733d037Sdrh %type seltablist_paren {Select*} 4874adee20fSdanielk1977 %destructor seltablist_paren {sqlite3SelectDelete($$);} 488b733d037Sdrh seltablist_paren(A) ::= select(S). {A = S;} 489b733d037Sdrh seltablist_paren(A) ::= seltablist(F). { 490a2dc3b1aSdanielk1977 A = sqlite3SelectNew(0,F,0,0,0,0,0,0,0); 491b733d037Sdrh } 49251522cd3Sdrh %endif // SQLITE_OMIT_SUBQUERY 493b733d037Sdrh 494113088ecSdrh %type dbnm {Token} 495113088ecSdrh dbnm(A) ::= . {A.z=0; A.n=0;} 496113088ecSdrh dbnm(A) ::= DOT nm(X). {A = X;} 497113088ecSdrh 49874ad7fe9Sdrh %type fullname {SrcList*} 49974ad7fe9Sdrh %destructor fullname {sqlite3SrcListDelete($$);} 50074ad7fe9Sdrh fullname(A) ::= nm(X) dbnm(Y). {A = sqlite3SrcListAppend(0,&X,&Y);} 50174ad7fe9Sdrh 50201f3f253Sdrh %type joinop {int} 50301f3f253Sdrh %type joinop2 {int} 50401f3f253Sdrh joinop(X) ::= COMMA. { X = JT_INNER; } 50501f3f253Sdrh joinop(X) ::= JOIN. { X = JT_INNER; } 5064adee20fSdanielk1977 joinop(X) ::= JOIN_KW(A) JOIN. { X = sqlite3JoinType(pParse,&A,0,0); } 5074adee20fSdanielk1977 joinop(X) ::= JOIN_KW(A) nm(B) JOIN. { X = sqlite3JoinType(pParse,&A,&B,0); } 5085ad1a6c8Sdrh joinop(X) ::= JOIN_KW(A) nm(B) nm(C) JOIN. 5094adee20fSdanielk1977 { X = sqlite3JoinType(pParse,&A,&B,&C); } 51001f3f253Sdrh 51101f3f253Sdrh %type on_opt {Expr*} 5124adee20fSdanielk1977 %destructor on_opt {sqlite3ExprDelete($$);} 51301f3f253Sdrh on_opt(N) ::= ON expr(E). {N = E;} 51401f3f253Sdrh on_opt(N) ::= . {N = 0;} 51501f3f253Sdrh 51601f3f253Sdrh %type using_opt {IdList*} 5174adee20fSdanielk1977 %destructor using_opt {sqlite3IdListDelete($$);} 5180202b29eSdanielk1977 using_opt(U) ::= USING LP inscollist(L) RP. {U = L;} 51901f3f253Sdrh using_opt(U) ::= . {U = 0;} 52001f3f253Sdrh 52101f3f253Sdrh 522348784efSdrh %type orderby_opt {ExprList*} 5234adee20fSdanielk1977 %destructor orderby_opt {sqlite3ExprListDelete($$);} 524348784efSdrh %type sortlist {ExprList*} 5254adee20fSdanielk1977 %destructor sortlist {sqlite3ExprListDelete($$);} 526348784efSdrh %type sortitem {Expr*} 5274adee20fSdanielk1977 %destructor sortitem {sqlite3ExprDelete($$);} 528348784efSdrh 529348784efSdrh orderby_opt(A) ::= . {A = 0;} 530348784efSdrh orderby_opt(A) ::= ORDER BY sortlist(X). {A = X;} 5318e2ca029Sdrh sortlist(A) ::= sortlist(X) COMMA sortitem(Y) collate(C) sortorder(Z). { 5321186b0a0Sdrh A = sqlite3ExprListAppend(X,Y,C.n>0?&C:0); 533d3d39e93Sdrh if( A ) A->a[A->nExpr-1].sortOrder = Z; 534348784efSdrh } 53538640e15Sdrh sortlist(A) ::= sortitem(Y) collate(C) sortorder(Z). { 5361186b0a0Sdrh A = sqlite3ExprListAppend(0,Y,C.n>0?&C:0); 53796fb0dd5Sdanielk1977 if( A && A->a ) A->a[0].sortOrder = Z; 538348784efSdrh } 539da9d6c45Sdrh sortitem(A) ::= expr(X). {A = X;} 540348784efSdrh 541348784efSdrh %type sortorder {int} 542d3d39e93Sdrh %type collate {Token} 543348784efSdrh 5448e2ca029Sdrh sortorder(A) ::= ASC. {A = SQLITE_SO_ASC;} 5458e2ca029Sdrh sortorder(A) ::= DESC. {A = SQLITE_SO_DESC;} 5468e2ca029Sdrh sortorder(A) ::= . {A = SQLITE_SO_ASC;} 547d3d39e93Sdrh collate(C) ::= . {C.z = 0; C.n = 0;} 548d3d39e93Sdrh collate(C) ::= COLLATE id(X). {C = X;} 549348784efSdrh 5502282792aSdrh %type groupby_opt {ExprList*} 5514adee20fSdanielk1977 %destructor groupby_opt {sqlite3ExprListDelete($$);} 5522282792aSdrh groupby_opt(A) ::= . {A = 0;} 5532282792aSdrh groupby_opt(A) ::= GROUP BY exprlist(X). {A = X;} 5542282792aSdrh 5552282792aSdrh %type having_opt {Expr*} 5564adee20fSdanielk1977 %destructor having_opt {sqlite3ExprDelete($$);} 5572282792aSdrh having_opt(A) ::= . {A = 0;} 5582282792aSdrh having_opt(A) ::= HAVING expr(X). {A = X;} 5592282792aSdrh 560ad3cab52Sdrh %type limit_opt {struct LimitVal} 561a2dc3b1aSdanielk1977 %destructor limit_opt { 562a2dc3b1aSdanielk1977 sqlite3ExprDelete($$.pLimit); 563a2dc3b1aSdanielk1977 sqlite3ExprDelete($$.pOffset); 564a2dc3b1aSdanielk1977 } 565a2dc3b1aSdanielk1977 limit_opt(A) ::= . {A.pLimit = 0; A.pOffset = 0;} 566a2dc3b1aSdanielk1977 limit_opt(A) ::= LIMIT expr(X). {A.pLimit = X; A.pOffset = 0;} 567a2dc3b1aSdanielk1977 limit_opt(A) ::= LIMIT expr(X) OFFSET expr(Y). 568a2dc3b1aSdanielk1977 {A.pLimit = X; A.pOffset = Y;} 569a2dc3b1aSdanielk1977 limit_opt(A) ::= LIMIT expr(X) COMMA expr(Y). 570a2dc3b1aSdanielk1977 {A.pOffset = X; A.pLimit = Y;} 5719bbca4c1Sdrh 572382c0247Sdrh /////////////////////////// The DELETE statement ///////////////////////////// 573382c0247Sdrh // 57474ad7fe9Sdrh cmd ::= DELETE FROM fullname(X) where_opt(Y). {sqlite3DeleteFrom(pParse,X,Y);} 575348784efSdrh 576348784efSdrh %type where_opt {Expr*} 5774adee20fSdanielk1977 %destructor where_opt {sqlite3ExprDelete($$);} 578348784efSdrh 579348784efSdrh where_opt(A) ::= . {A = 0;} 580348784efSdrh where_opt(A) ::= WHERE expr(X). {A = X;} 581348784efSdrh 582382c0247Sdrh ////////////////////////// The UPDATE command //////////////////////////////// 583382c0247Sdrh // 58474ad7fe9Sdrh cmd ::= UPDATE orconf(R) fullname(X) SET setlist(Y) where_opt(Z). 58574ad7fe9Sdrh {sqlite3Update(pParse,X,Y,Z,R);} 586348784efSdrh 587f8db1bc0Sdrh %type setlist {ExprList*} 588f8db1bc0Sdrh %destructor setlist {sqlite3ExprListDelete($$);} 589f8db1bc0Sdrh 5905ad1a6c8Sdrh setlist(A) ::= setlist(Z) COMMA nm(X) EQ expr(Y). 5914adee20fSdanielk1977 {A = sqlite3ExprListAppend(Z,Y,&X);} 5924adee20fSdanielk1977 setlist(A) ::= nm(X) EQ expr(Y). {A = sqlite3ExprListAppend(0,Y,&X);} 593348784efSdrh 594382c0247Sdrh ////////////////////////// The INSERT command ///////////////////////////////// 595382c0247Sdrh // 59674ad7fe9Sdrh cmd ::= insert_cmd(R) INTO fullname(X) inscollist_opt(F) 597113088ecSdrh VALUES LP itemlist(Y) RP. 59874ad7fe9Sdrh {sqlite3Insert(pParse, X, Y, 0, F, R);} 59974ad7fe9Sdrh cmd ::= insert_cmd(R) INTO fullname(X) inscollist_opt(F) select(S). 60074ad7fe9Sdrh {sqlite3Insert(pParse, X, 0, S, F, R);} 601348784efSdrh 602fa86c412Sdrh %type insert_cmd {int} 603fa86c412Sdrh insert_cmd(A) ::= INSERT orconf(R). {A = R;} 604fa86c412Sdrh insert_cmd(A) ::= REPLACE. {A = OE_Replace;} 605fa86c412Sdrh 606348784efSdrh 607348784efSdrh %type itemlist {ExprList*} 6084adee20fSdanielk1977 %destructor itemlist {sqlite3ExprListDelete($$);} 609348784efSdrh 6104adee20fSdanielk1977 itemlist(A) ::= itemlist(X) COMMA expr(Y). {A = sqlite3ExprListAppend(X,Y,0);} 6114adee20fSdanielk1977 itemlist(A) ::= expr(X). {A = sqlite3ExprListAppend(0,X,0);} 612348784efSdrh 613967e8b73Sdrh %type inscollist_opt {IdList*} 6144adee20fSdanielk1977 %destructor inscollist_opt {sqlite3IdListDelete($$);} 615967e8b73Sdrh %type inscollist {IdList*} 6164adee20fSdanielk1977 %destructor inscollist {sqlite3IdListDelete($$);} 617348784efSdrh 618967e8b73Sdrh inscollist_opt(A) ::= . {A = 0;} 619967e8b73Sdrh inscollist_opt(A) ::= LP inscollist(X) RP. {A = X;} 6204adee20fSdanielk1977 inscollist(A) ::= inscollist(X) COMMA nm(Y). {A = sqlite3IdListAppend(X,&Y);} 6214adee20fSdanielk1977 inscollist(A) ::= nm(Y). {A = sqlite3IdListAppend(0,&Y);} 622348784efSdrh 623382c0247Sdrh /////////////////////////// Expression Processing ///////////////////////////// 624382c0247Sdrh // 625348784efSdrh 626348784efSdrh %type expr {Expr*} 6274adee20fSdanielk1977 %destructor expr {sqlite3ExprDelete($$);} 6287977a17fSdanielk1977 %type term {Expr*} 6297977a17fSdanielk1977 %destructor term {sqlite3ExprDelete($$);} 630348784efSdrh 6317977a17fSdanielk1977 expr(A) ::= term(X). {A = X;} 632752e679aSdanielk1977 expr(A) ::= LP(B) expr(X) RP(E). {A = X; sqlite3ExprSpan(A,&B,&E); } 6337977a17fSdanielk1977 term(A) ::= NULL(X). {A = sqlite3Expr(@X, 0, 0, &X);} 6344adee20fSdanielk1977 expr(A) ::= ID(X). {A = sqlite3Expr(TK_ID, 0, 0, &X);} 6354adee20fSdanielk1977 expr(A) ::= JOIN_KW(X). {A = sqlite3Expr(TK_ID, 0, 0, &X);} 6365ad1a6c8Sdrh expr(A) ::= nm(X) DOT nm(Y). { 6374adee20fSdanielk1977 Expr *temp1 = sqlite3Expr(TK_ID, 0, 0, &X); 6384adee20fSdanielk1977 Expr *temp2 = sqlite3Expr(TK_ID, 0, 0, &Y); 6394adee20fSdanielk1977 A = sqlite3Expr(TK_DOT, temp1, temp2, 0); 640e1b6a5b8Sdrh } 641d24cc427Sdrh expr(A) ::= nm(X) DOT nm(Y) DOT nm(Z). { 6424adee20fSdanielk1977 Expr *temp1 = sqlite3Expr(TK_ID, 0, 0, &X); 6434adee20fSdanielk1977 Expr *temp2 = sqlite3Expr(TK_ID, 0, 0, &Y); 6444adee20fSdanielk1977 Expr *temp3 = sqlite3Expr(TK_ID, 0, 0, &Z); 6454adee20fSdanielk1977 Expr *temp4 = sqlite3Expr(TK_DOT, temp2, temp3, 0); 6464adee20fSdanielk1977 A = sqlite3Expr(TK_DOT, temp1, temp4, 0); 647d24cc427Sdrh } 6487977a17fSdanielk1977 term(A) ::= INTEGER(X). {A = sqlite3Expr(@X, 0, 0, &X);} 6497977a17fSdanielk1977 term(A) ::= FLOAT(X). {A = sqlite3Expr(@X, 0, 0, &X);} 6507977a17fSdanielk1977 term(A) ::= STRING(X). {A = sqlite3Expr(@X, 0, 0, &X);} 651aee18ef8Sdanielk1977 term(A) ::= BLOB(X). {A = sqlite3Expr(@X, 0, 0, &X);} 6524e0cff60Sdrh expr(A) ::= REGISTER(X). {A = sqlite3RegisterExpr(pParse, &X);} 6537c972decSdrh expr(A) ::= VARIABLE(X). { 654895d7472Sdrh Token *pToken = &X; 655895d7472Sdrh Expr *pExpr = A = sqlite3Expr(TK_VARIABLE, 0, 0, pToken); 656fa6bc000Sdrh sqlite3ExprAssignVarNumber(pParse, pExpr); 657895d7472Sdrh } 658487e262fSdrh %ifndef SQLITE_OMIT_CAST 659487e262fSdrh expr(A) ::= CAST(X) LP expr(E) AS typetoken(T) RP(Y). { 660487e262fSdrh A = sqlite3Expr(TK_CAST, E, 0, &T); 661487e262fSdrh sqlite3ExprSpan(A,&X,&Y); 662487e262fSdrh } 663487e262fSdrh %endif // SQLITE_OMIT_CAST 664fd357974Sdrh expr(A) ::= ID(X) LP distinct(D) exprlist(Y) RP(E). { 6654adee20fSdanielk1977 A = sqlite3ExprFunction(Y, &X); 6664adee20fSdanielk1977 sqlite3ExprSpan(A,&X,&E); 667fd357974Sdrh if( D ){ 668fd357974Sdrh A->flags |= EP_Distinct; 669fd357974Sdrh } 670e1b6a5b8Sdrh } 671e1b6a5b8Sdrh expr(A) ::= ID(X) LP STAR RP(E). { 6724adee20fSdanielk1977 A = sqlite3ExprFunction(0, &X); 6734adee20fSdanielk1977 sqlite3ExprSpan(A,&X,&E); 674e1b6a5b8Sdrh } 675b71090fdSdrh term(A) ::= CTIME_KW(OP). { 676b71090fdSdrh /* The CURRENT_TIME, CURRENT_DATE, and CURRENT_TIMESTAMP values are 677b71090fdSdrh ** treated as functions that return constants */ 678b71090fdSdrh A = sqlite3ExprFunction(0,&OP); 679b71090fdSdrh if( A ) A->op = TK_CONST_FUNC; 680b71090fdSdrh } 6817ac25c75Sdrh expr(A) ::= expr(X) AND(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 6827ac25c75Sdrh expr(A) ::= expr(X) OR(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 6837ac25c75Sdrh expr(A) ::= expr(X) LT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 6847ac25c75Sdrh expr(A) ::= expr(X) GT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 6857ac25c75Sdrh expr(A) ::= expr(X) LE(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 6867ac25c75Sdrh expr(A) ::= expr(X) GE(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 6877ac25c75Sdrh expr(A) ::= expr(X) NE(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 6887ac25c75Sdrh expr(A) ::= expr(X) EQ(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 6897ac25c75Sdrh expr(A) ::= expr(X) BITAND(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 6907ac25c75Sdrh expr(A) ::= expr(X) BITOR(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 6917ac25c75Sdrh expr(A) ::= expr(X) LSHIFT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 6927ac25c75Sdrh expr(A) ::= expr(X) RSHIFT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 69374ad7fe9Sdrh expr(A) ::= expr(X) PLUS(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 69474ad7fe9Sdrh expr(A) ::= expr(X) MINUS(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 69574ad7fe9Sdrh expr(A) ::= expr(X) STAR(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 69674ad7fe9Sdrh expr(A) ::= expr(X) SLASH(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 69774ad7fe9Sdrh expr(A) ::= expr(X) REM(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 69874ad7fe9Sdrh expr(A) ::= expr(X) CONCAT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} 69974ad7fe9Sdrh %type likeop {struct LikeOp} 700b71090fdSdrh likeop(A) ::= LIKE_KW(X). {A.operator = X; A.not = 0;} 701b71090fdSdrh likeop(A) ::= NOT LIKE_KW(X). {A.operator = X; A.not = 1;} 7027c6303c0Sdanielk1977 %type escape {Expr*} 7037c6303c0Sdanielk1977 escape(X) ::= ESCAPE expr(A). [ESCAPE] {X = A;} 7047c6303c0Sdanielk1977 escape(X) ::= . [ESCAPE] {X = 0;} 705b71090fdSdrh expr(A) ::= expr(X) likeop(OP) expr(Y) escape(E). [LIKE_KW] { 7064adee20fSdanielk1977 ExprList *pList = sqlite3ExprListAppend(0, Y, 0); 7074adee20fSdanielk1977 pList = sqlite3ExprListAppend(pList, X, 0); 7087c6303c0Sdanielk1977 if( E ){ 7097c6303c0Sdanielk1977 pList = sqlite3ExprListAppend(pList, E, 0); 7107c6303c0Sdanielk1977 } 711b71090fdSdrh A = sqlite3ExprFunction(pList, &OP.operator); 7122e3a1f16Sdrh if( OP.not ) A = sqlite3Expr(TK_NOT, A, 0, 0); 7134adee20fSdanielk1977 sqlite3ExprSpan(A, &X->span, &Y->span); 7140ac65892Sdrh } 7157c6303c0Sdanielk1977 716e1b6a5b8Sdrh expr(A) ::= expr(X) ISNULL(E). { 7174adee20fSdanielk1977 A = sqlite3Expr(TK_ISNULL, X, 0, 0); 7184adee20fSdanielk1977 sqlite3ExprSpan(A,&X->span,&E); 719e1b6a5b8Sdrh } 72033048c0bSdrh expr(A) ::= expr(X) IS NULL(E). { 7214adee20fSdanielk1977 A = sqlite3Expr(TK_ISNULL, X, 0, 0); 7224adee20fSdanielk1977 sqlite3ExprSpan(A,&X->span,&E); 72333048c0bSdrh } 72433048c0bSdrh expr(A) ::= expr(X) NOTNULL(E). { 7254adee20fSdanielk1977 A = sqlite3Expr(TK_NOTNULL, X, 0, 0); 7264adee20fSdanielk1977 sqlite3ExprSpan(A,&X->span,&E); 72733048c0bSdrh } 728e1b6a5b8Sdrh expr(A) ::= expr(X) NOT NULL(E). { 7294adee20fSdanielk1977 A = sqlite3Expr(TK_NOTNULL, X, 0, 0); 7304adee20fSdanielk1977 sqlite3ExprSpan(A,&X->span,&E); 731e1b6a5b8Sdrh } 73281a20f21Sdrh expr(A) ::= expr(X) IS NOT NULL(E). { 7334adee20fSdanielk1977 A = sqlite3Expr(TK_NOTNULL, X, 0, 0); 7344adee20fSdanielk1977 sqlite3ExprSpan(A,&X->span,&E); 73581a20f21Sdrh } 736e1b6a5b8Sdrh expr(A) ::= NOT(B) expr(X). { 7377ac25c75Sdrh A = sqlite3Expr(@B, X, 0, 0); 7384adee20fSdanielk1977 sqlite3ExprSpan(A,&B,&X->span); 739e1b6a5b8Sdrh } 74081a20f21Sdrh expr(A) ::= BITNOT(B) expr(X). { 7417ac25c75Sdrh A = sqlite3Expr(@B, X, 0, 0); 7424adee20fSdanielk1977 sqlite3ExprSpan(A,&B,&X->span); 74381a20f21Sdrh } 744e1b6a5b8Sdrh expr(A) ::= MINUS(B) expr(X). [UMINUS] { 7454adee20fSdanielk1977 A = sqlite3Expr(TK_UMINUS, X, 0, 0); 7464adee20fSdanielk1977 sqlite3ExprSpan(A,&B,&X->span); 747e1b6a5b8Sdrh } 7484b59ab5eSdrh expr(A) ::= PLUS(B) expr(X). [UPLUS] { 7494adee20fSdanielk1977 A = sqlite3Expr(TK_UPLUS, X, 0, 0); 7504adee20fSdanielk1977 sqlite3ExprSpan(A,&B,&X->span); 751e1b6a5b8Sdrh } 7522e3a1f16Sdrh %type between_op {int} 7532e3a1f16Sdrh between_op(A) ::= BETWEEN. {A = 0;} 7542e3a1f16Sdrh between_op(A) ::= NOT BETWEEN. {A = 1;} 7552e3a1f16Sdrh expr(A) ::= expr(W) between_op(N) expr(X) AND expr(Y). [BETWEEN] { 7564adee20fSdanielk1977 ExprList *pList = sqlite3ExprListAppend(0, X, 0); 7574adee20fSdanielk1977 pList = sqlite3ExprListAppend(pList, Y, 0); 7584adee20fSdanielk1977 A = sqlite3Expr(TK_BETWEEN, W, 0, 0); 75953f733c7Sdrh if( A ){ 76053f733c7Sdrh A->pList = pList; 76153f733c7Sdrh }else{ 76253f733c7Sdrh sqlite3ExprListDelete(pList); 76353f733c7Sdrh } 7642e3a1f16Sdrh if( N ) A = sqlite3Expr(TK_NOT, A, 0, 0); 7654adee20fSdanielk1977 sqlite3ExprSpan(A,&W->span,&Y->span); 766fef5208cSdrh } 7673e8c37e7Sdanielk1977 %ifndef SQLITE_OMIT_SUBQUERY 7682e3a1f16Sdrh %type in_op {int} 7692e3a1f16Sdrh in_op(A) ::= IN. {A = 0;} 7702e3a1f16Sdrh in_op(A) ::= NOT IN. {A = 1;} 7712e3a1f16Sdrh expr(A) ::= expr(X) in_op(N) LP exprlist(Y) RP(E). [IN] { 7724adee20fSdanielk1977 A = sqlite3Expr(TK_IN, X, 0, 0); 773d5d56523Sdanielk1977 if( A ){ 774d5d56523Sdanielk1977 A->pList = Y; 775d5d56523Sdanielk1977 }else{ 776d5d56523Sdanielk1977 sqlite3ExprListDelete(Y); 777d5d56523Sdanielk1977 } 7782e3a1f16Sdrh if( N ) A = sqlite3Expr(TK_NOT, A, 0, 0); 7794adee20fSdanielk1977 sqlite3ExprSpan(A,&X->span,&E); 780fef5208cSdrh } 78151522cd3Sdrh expr(A) ::= LP(B) select(X) RP(E). { 78251522cd3Sdrh A = sqlite3Expr(TK_SELECT, 0, 0, 0); 78353f733c7Sdrh if( A ){ 78453f733c7Sdrh A->pSelect = X; 78553f733c7Sdrh }else{ 78653f733c7Sdrh sqlite3SelectDelete(X); 78753f733c7Sdrh } 78851522cd3Sdrh sqlite3ExprSpan(A,&B,&E); 78951522cd3Sdrh } 7902e3a1f16Sdrh expr(A) ::= expr(X) in_op(N) LP select(Y) RP(E). [IN] { 7914adee20fSdanielk1977 A = sqlite3Expr(TK_IN, X, 0, 0); 79253f733c7Sdrh if( A ){ 79353f733c7Sdrh A->pSelect = Y; 79453f733c7Sdrh }else{ 79553f733c7Sdrh sqlite3SelectDelete(Y); 79653f733c7Sdrh } 7972e3a1f16Sdrh if( N ) A = sqlite3Expr(TK_NOT, A, 0, 0); 7984adee20fSdanielk1977 sqlite3ExprSpan(A,&X->span,&E); 799fef5208cSdrh } 80074ad7fe9Sdrh expr(A) ::= expr(X) in_op(N) nm(Y) dbnm(Z). [IN] { 80174ad7fe9Sdrh SrcList *pSrc = sqlite3SrcListAppend(0,&Y,&Z); 8024adee20fSdanielk1977 A = sqlite3Expr(TK_IN, X, 0, 0); 80353f733c7Sdrh if( A ){ 80453f733c7Sdrh A->pSelect = sqlite3SelectNew(0,pSrc,0,0,0,0,0,0,0); 80553f733c7Sdrh }else{ 80653f733c7Sdrh sqlite3SrcListDelete(pSrc); 80753f733c7Sdrh } 8082e3a1f16Sdrh if( N ) A = sqlite3Expr(TK_NOT, A, 0, 0); 80974ad7fe9Sdrh sqlite3ExprSpan(A,&X->span,Z.z?&Z:&Y); 81023b2db23Sdrh } 81151522cd3Sdrh expr(A) ::= EXISTS(B) LP select(Y) RP(E). { 81251522cd3Sdrh Expr *p = A = sqlite3Expr(TK_EXISTS, 0, 0, 0); 81351522cd3Sdrh if( p ){ 81451522cd3Sdrh p->pSelect = Y; 81551522cd3Sdrh sqlite3ExprSpan(p,&B,&E); 81653f733c7Sdrh }else{ 81753f733c7Sdrh sqlite3SelectDelete(Y); 81851522cd3Sdrh } 81951522cd3Sdrh } 82051522cd3Sdrh %endif // SQLITE_OMIT_SUBQUERY 821fef5208cSdrh 82217a7f8ddSdrh /* CASE expressions */ 82317a7f8ddSdrh expr(A) ::= CASE(C) case_operand(X) case_exprlist(Y) case_else(Z) END(E). { 8244adee20fSdanielk1977 A = sqlite3Expr(TK_CASE, X, Z, 0); 82553f733c7Sdrh if( A ){ 82653f733c7Sdrh A->pList = Y; 82753f733c7Sdrh }else{ 82853f733c7Sdrh sqlite3ExprListDelete(Y); 82953f733c7Sdrh } 8304adee20fSdanielk1977 sqlite3ExprSpan(A, &C, &E); 83117a7f8ddSdrh } 83217a7f8ddSdrh %type case_exprlist {ExprList*} 8334adee20fSdanielk1977 %destructor case_exprlist {sqlite3ExprListDelete($$);} 83417a7f8ddSdrh case_exprlist(A) ::= case_exprlist(X) WHEN expr(Y) THEN expr(Z). { 8354adee20fSdanielk1977 A = sqlite3ExprListAppend(X, Y, 0); 8364adee20fSdanielk1977 A = sqlite3ExprListAppend(A, Z, 0); 83717a7f8ddSdrh } 83817a7f8ddSdrh case_exprlist(A) ::= WHEN expr(Y) THEN expr(Z). { 8394adee20fSdanielk1977 A = sqlite3ExprListAppend(0, Y, 0); 8404adee20fSdanielk1977 A = sqlite3ExprListAppend(A, Z, 0); 84117a7f8ddSdrh } 84217a7f8ddSdrh %type case_else {Expr*} 84317a7f8ddSdrh case_else(A) ::= ELSE expr(X). {A = X;} 84417a7f8ddSdrh case_else(A) ::= . {A = 0;} 84517a7f8ddSdrh %type case_operand {Expr*} 84617a7f8ddSdrh case_operand(A) ::= expr(X). {A = X;} 84717a7f8ddSdrh case_operand(A) ::= . {A = 0;} 848348784efSdrh 849348784efSdrh %type exprlist {ExprList*} 8504adee20fSdanielk1977 %destructor exprlist {sqlite3ExprListDelete($$);} 851348784efSdrh %type expritem {Expr*} 8524adee20fSdanielk1977 %destructor expritem {sqlite3ExprDelete($$);} 853348784efSdrh 854348784efSdrh exprlist(A) ::= exprlist(X) COMMA expritem(Y). 8554adee20fSdanielk1977 {A = sqlite3ExprListAppend(X,Y,0);} 8564adee20fSdanielk1977 exprlist(A) ::= expritem(X). {A = sqlite3ExprListAppend(0,X,0);} 857348784efSdrh expritem(A) ::= expr(X). {A = X;} 858348784efSdrh expritem(A) ::= . {A = 0;} 859cce7d176Sdrh 860382c0247Sdrh ///////////////////////////// The CREATE INDEX command /////////////////////// 861382c0247Sdrh // 862cbb18d22Sdanielk1977 cmd ::= CREATE(S) uniqueflag(U) INDEX nm(X) dbnm(D) 8632b6d46b9Sdanielk1977 ON nm(Y) LP idxlist(Z) RP(E) onconf(R). { 8649cfcf5d4Sdrh if( U!=OE_None ) U = R; 8659cfcf5d4Sdrh if( U==OE_Default) U = OE_Abort; 8662b6d46b9Sdanielk1977 sqlite3CreateIndex(pParse, &X, &D, sqlite3SrcListAppend(0,&Y,0),Z,U, &S, &E); 8679cfcf5d4Sdrh } 868717e6402Sdrh 869717e6402Sdrh %type uniqueflag {int} 8709cfcf5d4Sdrh uniqueflag(A) ::= UNIQUE. {A = OE_Abort;} 8719cfcf5d4Sdrh uniqueflag(A) ::= . {A = OE_None;} 872348784efSdrh 8730202b29eSdanielk1977 %type idxlist {ExprList*} 8740202b29eSdanielk1977 %destructor idxlist {sqlite3ExprListDelete($$);} 8750202b29eSdanielk1977 %type idxlist_opt {ExprList*} 8760202b29eSdanielk1977 %destructor idxlist_opt {sqlite3ExprListDelete($$);} 877348784efSdrh %type idxitem {Token} 878348784efSdrh 879c2eef3b3Sdrh idxlist_opt(A) ::= . {A = 0;} 880c2eef3b3Sdrh idxlist_opt(A) ::= LP idxlist(X) RP. {A = X;} 8810202b29eSdanielk1977 idxlist(A) ::= idxlist(X) COMMA idxitem(Y) collate(C) sortorder. { 8820202b29eSdanielk1977 Expr *p = 0; 8830202b29eSdanielk1977 if( C.n>0 ){ 8840202b29eSdanielk1977 p = sqlite3Expr(TK_COLUMN, 0, 0, 0); 8850202b29eSdanielk1977 if( p ) p->pColl = sqlite3LocateCollSeq(pParse, C.z, C.n); 8860202b29eSdanielk1977 } 8870202b29eSdanielk1977 A = sqlite3ExprListAppend(X, p, &Y); 8880202b29eSdanielk1977 } 8890202b29eSdanielk1977 idxlist(A) ::= idxitem(Y) collate(C) sortorder. { 8900202b29eSdanielk1977 Expr *p = 0; 8910202b29eSdanielk1977 if( C.n>0 ){ 8920202b29eSdanielk1977 p = sqlite3Expr(TK_COLUMN, 0, 0, 0); 8930202b29eSdanielk1977 if( p ) p->pColl = sqlite3LocateCollSeq(pParse, C.z, C.n); 8940202b29eSdanielk1977 } 8950202b29eSdanielk1977 A = sqlite3ExprListAppend(0, p, &Y); 8960202b29eSdanielk1977 } 8970202b29eSdanielk1977 idxitem(A) ::= nm(X). {A = X;} 8980202b29eSdanielk1977 899348784efSdrh 9008aff1015Sdrh ///////////////////////////// The DROP INDEX command ///////////////////////// 901382c0247Sdrh // 90274ad7fe9Sdrh cmd ::= DROP INDEX fullname(X). {sqlite3DropIndex(pParse, X);} 903982cef7eSdrh 904382c0247Sdrh ///////////////////////////// The VACUUM command ///////////////////////////// 905382c0247Sdrh // 9064adee20fSdanielk1977 cmd ::= VACUUM. {sqlite3Vacuum(pParse,0);} 90774ad7fe9Sdrh cmd ::= VACUUM nm. {sqlite3Vacuum(pParse,0);} 908f57b14a6Sdrh 909382c0247Sdrh ///////////////////////////// The PRAGMA command ///////////////////////////// 910382c0247Sdrh // 91113d7042aSdrh %ifndef SQLITE_OMIT_PRAGMA 91291cf71b0Sdanielk1977 cmd ::= PRAGMA nm(X) dbnm(Z) EQ nm(Y). {sqlite3Pragma(pParse,&X,&Z,&Y,0);} 91391cf71b0Sdanielk1977 cmd ::= PRAGMA nm(X) dbnm(Z) EQ ON(Y). {sqlite3Pragma(pParse,&X,&Z,&Y,0);} 91491cf71b0Sdanielk1977 cmd ::= PRAGMA nm(X) dbnm(Z) EQ plus_num(Y). {sqlite3Pragma(pParse,&X,&Z,&Y,0);} 91591cf71b0Sdanielk1977 cmd ::= PRAGMA nm(X) dbnm(Z) EQ minus_num(Y). { 91691cf71b0Sdanielk1977 sqlite3Pragma(pParse,&X,&Z,&Y,1); 91791cf71b0Sdanielk1977 } 91891cf71b0Sdanielk1977 cmd ::= PRAGMA nm(X) dbnm(Z) LP nm(Y) RP. {sqlite3Pragma(pParse,&X,&Z,&Y,0);} 91991cf71b0Sdanielk1977 cmd ::= PRAGMA nm(X) dbnm(Z). {sqlite3Pragma(pParse,&X,&Z,0,0);} 92013d7042aSdrh %endif // SQLITE_OMIT_PRAGMA 921f57b14a6Sdrh plus_num(A) ::= plus_opt number(X). {A = X;} 922f57b14a6Sdrh minus_num(A) ::= MINUS number(X). {A = X;} 923f57b14a6Sdrh number(A) ::= INTEGER(X). {A = X;} 924f57b14a6Sdrh number(A) ::= FLOAT(X). {A = X;} 925f57b14a6Sdrh plus_opt ::= PLUS. 926f57b14a6Sdrh plus_opt ::= . 927c3f9bad2Sdanielk1977 928c3f9bad2Sdanielk1977 //////////////////////////// The CREATE TRIGGER command ///////////////////// 929f0f258b1Sdrh 930b7f9164eSdrh %ifndef SQLITE_OMIT_TRIGGER 931b7f9164eSdrh 9323df6b257Sdanielk1977 cmd ::= CREATE trigger_decl(A) BEGIN trigger_cmd_list(S) END(Z). { 9334b59ab5eSdrh Token all; 9344b59ab5eSdrh all.z = A.z; 9354b59ab5eSdrh all.n = (Z.z - A.z) + Z.n; 9364adee20fSdanielk1977 sqlite3FinishTrigger(pParse, S, &all); 937f0f258b1Sdrh } 938f0f258b1Sdrh 93974ad7fe9Sdrh trigger_decl(A) ::= temp(T) TRIGGER nm(B) dbnm(Z) trigger_time(C) 94074ad7fe9Sdrh trigger_event(D) 94174ad7fe9Sdrh ON fullname(E) foreach_clause(F) when_clause(G). { 94274ad7fe9Sdrh sqlite3BeginTrigger(pParse, &B, &Z, C, D.a, D.b, E, F, G, T); 9433df6b257Sdanielk1977 A = (Z.n==0?B:Z); 944c3f9bad2Sdanielk1977 } 945c3f9bad2Sdanielk1977 946c3f9bad2Sdanielk1977 %type trigger_time {int} 947c3f9bad2Sdanielk1977 trigger_time(A) ::= BEFORE. { A = TK_BEFORE; } 948c3f9bad2Sdanielk1977 trigger_time(A) ::= AFTER. { A = TK_AFTER; } 949c3f9bad2Sdanielk1977 trigger_time(A) ::= INSTEAD OF. { A = TK_INSTEAD;} 950c3f9bad2Sdanielk1977 trigger_time(A) ::= . { A = TK_BEFORE; } 951c3f9bad2Sdanielk1977 952ad3cab52Sdrh %type trigger_event {struct TrigEvent} 9534adee20fSdanielk1977 %destructor trigger_event {sqlite3IdListDelete($$.b);} 95474ad7fe9Sdrh trigger_event(A) ::= DELETE(OP). {A.a = @OP; A.b = 0;} 95574ad7fe9Sdrh trigger_event(A) ::= INSERT(OP). {A.a = @OP; A.b = 0;} 95674ad7fe9Sdrh trigger_event(A) ::= UPDATE(OP). {A.a = @OP; A.b = 0;} 957c3f9bad2Sdanielk1977 trigger_event(A) ::= UPDATE OF inscollist(X). {A.a = TK_UPDATE; A.b = X;} 958c3f9bad2Sdanielk1977 959c3f9bad2Sdanielk1977 %type foreach_clause {int} 960c3f9bad2Sdanielk1977 foreach_clause(A) ::= . { A = TK_ROW; } 961c3f9bad2Sdanielk1977 foreach_clause(A) ::= FOR EACH ROW. { A = TK_ROW; } 962c3f9bad2Sdanielk1977 foreach_clause(A) ::= FOR EACH STATEMENT. { A = TK_STATEMENT; } 963c3f9bad2Sdanielk1977 964c3f9bad2Sdanielk1977 %type when_clause {Expr*} 965c3f9bad2Sdanielk1977 when_clause(A) ::= . { A = 0; } 966c3f9bad2Sdanielk1977 when_clause(A) ::= WHEN expr(X). { A = X; } 967c3f9bad2Sdanielk1977 968c3f9bad2Sdanielk1977 %type trigger_cmd_list {TriggerStep*} 9694adee20fSdanielk1977 %destructor trigger_cmd_list {sqlite3DeleteTriggerStep($$);} 970c3f9bad2Sdanielk1977 trigger_cmd_list(A) ::= trigger_cmd(X) SEMI trigger_cmd_list(Y). { 971a69d9168Sdrh X->pNext = Y; 972a69d9168Sdrh A = X; 973a69d9168Sdrh } 974c3f9bad2Sdanielk1977 trigger_cmd_list(A) ::= . { A = 0; } 975c3f9bad2Sdanielk1977 976c3f9bad2Sdanielk1977 %type trigger_cmd {TriggerStep*} 9774adee20fSdanielk1977 %destructor trigger_cmd {sqlite3DeleteTriggerStep($$);} 978c3f9bad2Sdanielk1977 // UPDATE 9795ad1a6c8Sdrh trigger_cmd(A) ::= UPDATE orconf(R) nm(X) SET setlist(Y) where_opt(Z). 9804adee20fSdanielk1977 { A = sqlite3TriggerUpdateStep(&X, Y, Z, R); } 981c3f9bad2Sdanielk1977 982c3f9bad2Sdanielk1977 // INSERT 9833054efeeSdrh trigger_cmd(A) ::= insert_cmd(R) INTO nm(X) inscollist_opt(F) 984c3f9bad2Sdanielk1977 VALUES LP itemlist(Y) RP. 9854adee20fSdanielk1977 {A = sqlite3TriggerInsertStep(&X, F, Y, 0, R);} 986c3f9bad2Sdanielk1977 9873054efeeSdrh trigger_cmd(A) ::= insert_cmd(R) INTO nm(X) inscollist_opt(F) select(S). 9884adee20fSdanielk1977 {A = sqlite3TriggerInsertStep(&X, F, 0, S, R);} 989c3f9bad2Sdanielk1977 990c3f9bad2Sdanielk1977 // DELETE 9915ad1a6c8Sdrh trigger_cmd(A) ::= DELETE FROM nm(X) where_opt(Y). 9924adee20fSdanielk1977 {A = sqlite3TriggerDeleteStep(&X, Y);} 993c3f9bad2Sdanielk1977 994c3f9bad2Sdanielk1977 // SELECT 9954adee20fSdanielk1977 trigger_cmd(A) ::= select(X). {A = sqlite3TriggerSelectStep(X); } 996c3f9bad2Sdanielk1977 9976f34903eSdanielk1977 // The special RAISE expression that may occur in trigger programs 9984b59ab5eSdrh expr(A) ::= RAISE(X) LP IGNORE RP(Y). { 9994adee20fSdanielk1977 A = sqlite3Expr(TK_RAISE, 0, 0, 0); 10004b59ab5eSdrh A->iColumn = OE_Ignore; 10014adee20fSdanielk1977 sqlite3ExprSpan(A, &X, &Y); 10024b59ab5eSdrh } 100374ad7fe9Sdrh expr(A) ::= RAISE(X) LP raisetype(T) COMMA nm(Z) RP(Y). { 10044adee20fSdanielk1977 A = sqlite3Expr(TK_RAISE, 0, 0, &Z); 100574ad7fe9Sdrh A->iColumn = T; 10064adee20fSdanielk1977 sqlite3ExprSpan(A, &X, &Y); 10074b59ab5eSdrh } 1008b7f9164eSdrh %endif // !SQLITE_OMIT_TRIGGER 1009b7f9164eSdrh 101074ad7fe9Sdrh %type raisetype {int} 101174ad7fe9Sdrh raisetype(A) ::= ROLLBACK. {A = OE_Rollback;} 101274ad7fe9Sdrh raisetype(A) ::= ABORT. {A = OE_Abort;} 101374ad7fe9Sdrh raisetype(A) ::= FAIL. {A = OE_Fail;} 101474ad7fe9Sdrh 10156f34903eSdanielk1977 1016c3f9bad2Sdanielk1977 //////////////////////// DROP TRIGGER statement ////////////////////////////// 1017b7f9164eSdrh %ifndef SQLITE_OMIT_TRIGGER 101874ad7fe9Sdrh cmd ::= DROP TRIGGER fullname(X). { 101974ad7fe9Sdrh sqlite3DropTrigger(pParse,X); 1020c3f9bad2Sdanielk1977 } 1021b7f9164eSdrh %endif // !SQLITE_OMIT_TRIGGER 1022113088ecSdrh 1023113088ecSdrh //////////////////////// ATTACH DATABASE file AS name ///////////////////////// 10244d189ca4Sdrh cmd ::= ATTACH database_kw_opt ids(F) AS nm(D) key_opt(K). { 102525d6543dSdrh sqlite3Attach(pParse, &F, &D, K.type, &K.key); 10261c2d8414Sdrh } 102725d6543dSdrh %type key_opt {struct AttachKey} 102825d6543dSdrh key_opt(A) ::= . { A.type = 0; } 102925d6543dSdrh key_opt(A) ::= KEY ids(X). { A.type=1; A.key = X; } 1030feac5f8dSdrh key_opt(A) ::= KEY BLOB(X). { A.type=2; A.key = X; } 1031113088ecSdrh 1032113088ecSdrh database_kw_opt ::= DATABASE. 1033113088ecSdrh database_kw_opt ::= . 1034113088ecSdrh 1035113088ecSdrh //////////////////////// DETACH DATABASE name ///////////////////////////////// 10361c2d8414Sdrh cmd ::= DETACH database_kw_opt nm(D). { 10374adee20fSdanielk1977 sqlite3Detach(pParse, &D); 10381c2d8414Sdrh } 10394343fea2Sdrh 10404343fea2Sdrh ////////////////////////// REINDEX collation ////////////////////////////////// 10414343fea2Sdrh %ifndef SQLITE_OMIT_REINDEX 10424343fea2Sdrh cmd ::= REINDEX. {sqlite3Reindex(pParse, 0, 0);} 10434343fea2Sdrh cmd ::= REINDEX nm(X) dbnm(Y). {sqlite3Reindex(pParse, &X, &Y);} 10444343fea2Sdrh %endif 10459fd2a9a0Sdanielk1977 10469f18e8a0Sdrh /////////////////////////////////// ANALYZE /////////////////////////////////// 10479f18e8a0Sdrh %ifndef SQLITE_OMIT_ANALYZE 10489f18e8a0Sdrh cmd ::= ANALYZE. {sqlite3Analyze(pParse, 0, 0);} 10499f18e8a0Sdrh cmd ::= ANALYZE nm(X) dbnm(Y). {sqlite3Analyze(pParse, &X, &Y);} 10509f18e8a0Sdrh %endif 10519f18e8a0Sdrh 10529fd2a9a0Sdanielk1977 //////////////////////// ALTER TABLE table ... //////////////////////////////// 10539fd2a9a0Sdanielk1977 %ifndef SQLITE_OMIT_ALTERTABLE 10549fd2a9a0Sdanielk1977 cmd ::= ALTER TABLE fullname(X) RENAME TO nm(Z). { 10559fd2a9a0Sdanielk1977 sqlite3AlterRenameTable(pParse,X,&Z); 10569fd2a9a0Sdanielk1977 } 105719a8e7e8Sdanielk1977 cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt column(Y). { 105819a8e7e8Sdanielk1977 sqlite3AlterFinishAddColumn(pParse, &Y); 105919a8e7e8Sdanielk1977 } 106019a8e7e8Sdanielk1977 add_column_fullname ::= fullname(X). { 106119a8e7e8Sdanielk1977 sqlite3AlterBeginAddColumn(pParse, X); 106219a8e7e8Sdanielk1977 } 106319a8e7e8Sdanielk1977 kwcolumn_opt ::= . 106419a8e7e8Sdanielk1977 kwcolumn_opt ::= COLUMNKW. 10659fd2a9a0Sdanielk1977 %endif 1066