Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
Comment: | Issue a warning whenever a double-quoted string literal is used. |
---|---|
Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
ac9ad5043026b30394812457e1535df2 |
User & Date: | drh 2018-12-06 16:11:14.066 |
Context
2018-12-06
| ||
16:50 | When saving off the value of sqlite3.flags, take care to preserve all 64 bits. (check-in: 9c6dbcfab5 user: drh tags: trunk) | |
16:11 | Issue a warning whenever a double-quoted string literal is used. (check-in: ac9ad50430 user: drh tags: trunk) | |
03:59 | Invoking the sqlite3_trace() or sqlite3_trace_v2() interfaces cancels any sqlite3_profile() that is running. (check-in: ec63d3506b user: drh tags: trunk) | |
Changes
Changes to src/resolve.c.
︙ | ︙ | |||
470 471 472 473 474 475 476 477 478 479 480 481 482 483 | ** ** Because no reference was made to outer contexts, the pNC->nRef ** fields are not changed in any context. */ if( cnt==0 && zTab==0 ){ assert( pExpr->op==TK_ID ); if( ExprHasProperty(pExpr,EP_DblQuoted) ){ pExpr->op = TK_STRING; pExpr->y.pTab = 0; return WRC_Prune; } if( sqlite3ExprIdToTrueFalse(pExpr) ){ return WRC_Prune; } | > > > > > > > > > > > > > > > > | 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 | ** ** Because no reference was made to outer contexts, the pNC->nRef ** fields are not changed in any context. */ if( cnt==0 && zTab==0 ){ assert( pExpr->op==TK_ID ); if( ExprHasProperty(pExpr,EP_DblQuoted) ){ /* If a double-quoted identifier does not match any known column name, ** then treat it as a string. ** ** This hack was added in the early days of SQLite in a misguided attempt ** to be compatible with MySQL 3.x, which used double-quotes for strings. ** I now sorely regret putting in this hack. The effect of this hack is ** that misspelled identifier names are silently converted into strings ** rather than causing an error, to the frustration of countless ** programmers. To all those frustrated programmers, my apologies. ** ** Someday, I hope to get rid of this hack. Unfortunately there is ** a huge amount of legacy SQL that uses it. So for now, we just ** issue a warning. */ sqlite3_log(SQLITE_WARNING, "double-quoted string literal: \"%w\"", zCol); pExpr->op = TK_STRING; pExpr->y.pTab = 0; return WRC_Prune; } if( sqlite3ExprIdToTrueFalse(pExpr) ){ return WRC_Prune; } |
︙ | ︙ |