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Overview
Comment: | Add support for the MATCH operator. (CVS 3231) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
815b84d5273b42978edcee0d4afe7f91 |
User & Date: | drh 2006-06-13 15:37:26.000 |
Context
2006-06-13
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17:39 | The optimizer recognizes MATCH operators and allows virtual-tables to make use of them. (CVS 3232) (check-in: 136bed496b user: drh tags: trunk) | |
15:37 | Add support for the MATCH operator. (CVS 3231) (check-in: 815b84d527 user: drh tags: trunk) | |
15:36 | Get the code to compile with -DSQLITE_OMIT_VIRTUALTABLE=1 (CVS 3230) (check-in: ea4bc5a0be user: drh tags: trunk) | |
Changes
Changes to src/parse.y.
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10 11 12 13 14 15 16 | ** ************************************************************************* ** This file contains SQLite's grammar for SQL. Process this file ** using the lemon parser generator to generate C code that runs ** the parser. Lemon will also generate a header file containing ** numeric codes for all of the tokens. ** | | | 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | ** ************************************************************************* ** This file contains SQLite's grammar for SQL. Process this file ** using the lemon parser generator to generate C code that runs ** the parser. Lemon will also generate a header file containing ** numeric codes for all of the tokens. ** ** @(#) $Id: parse.y,v 1.203 2006/06/13 15:37:26 drh Exp $ */ // All token codes are small integers with #defines that begin with "TK_" %token_prefix TK_ // The type of the data attached to each token is Token. This is also the // default type for non-terminals. |
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194 195 196 197 198 199 200 | // NE/EQ, GT/LE, and GE/LT are separated by only a single value. See // the sqlite3ExprIfFalse() routine for additional information on this // constraint. // %left OR. %left AND. %right NOT. | | | 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 | // NE/EQ, GT/LE, and GE/LT are separated by only a single value. See // the sqlite3ExprIfFalse() routine for additional information on this // constraint. // %left OR. %left AND. %right NOT. %left IS MATCH LIKE_KW BETWEEN IN ISNULL NOTNULL NE EQ. %left GT LE LT GE. %right ESCAPE. %left BITAND BITOR LSHIFT RSHIFT. %left PLUS MINUS. %left STAR SLASH REM. %left CONCAT. %right UMINUS UPLUS BITNOT. |
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686 687 688 689 690 691 692 693 694 695 696 697 698 699 | {A = sqlite3Expr(@OP, X, Y, 0);} expr(A) ::= expr(X) PLUS|MINUS(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} expr(A) ::= expr(X) STAR|SLASH|REM(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} expr(A) ::= expr(X) CONCAT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} %type likeop {struct LikeOp} likeop(A) ::= LIKE_KW(X). {A.eOperator = X; A.not = 0;} likeop(A) ::= NOT LIKE_KW(X). {A.eOperator = X; A.not = 1;} %type escape {Expr*} %destructor escape {sqlite3ExprDelete($$);} escape(X) ::= ESCAPE expr(A). [ESCAPE] {X = A;} escape(X) ::= . [ESCAPE] {X = 0;} expr(A) ::= expr(X) likeop(OP) expr(Y) escape(E). [LIKE_KW] { ExprList *pList; pList = sqlite3ExprListAppend(0, Y, 0); | > > | 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 | {A = sqlite3Expr(@OP, X, Y, 0);} expr(A) ::= expr(X) PLUS|MINUS(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} expr(A) ::= expr(X) STAR|SLASH|REM(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} expr(A) ::= expr(X) CONCAT(OP) expr(Y). {A = sqlite3Expr(@OP, X, Y, 0);} %type likeop {struct LikeOp} likeop(A) ::= LIKE_KW(X). {A.eOperator = X; A.not = 0;} likeop(A) ::= NOT LIKE_KW(X). {A.eOperator = X; A.not = 1;} likeop(A) ::= MATCH(X). {A.eOperator = X; A.not = 0;} likeop(A) ::= NOT MATCH(X). {A.eOperator = X; A.not = 1;} %type escape {Expr*} %destructor escape {sqlite3ExprDelete($$);} escape(X) ::= ESCAPE expr(A). [ESCAPE] {X = A;} escape(X) ::= . [ESCAPE] {X = 0;} expr(A) ::= expr(X) likeop(OP) expr(Y) escape(E). [LIKE_KW] { ExprList *pList; pList = sqlite3ExprListAppend(0, Y, 0); |
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