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Overview
Comment: | Further tweaks to sqlite3RunParser(). |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | weak-fallback |
Files: | files | file ages | folders |
SHA3-256: |
eef61ffab7fa36b126f57bf7028dd35c |
User & Date: | dan 2018-06-29 20:21:24.547 |
Context
2018-06-29
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20:43 | Further performance related tweaks for sqlite3RunParser(). (check-in: 5eb4776598 user: dan tags: weak-fallback) | |
20:21 | Further tweaks to sqlite3RunParser(). (check-in: eef61ffab7 user: dan tags: weak-fallback) | |
19:54 | Improve on the previous checkin. Still a bit slow. (check-in: c1fb41aa7b user: dan tags: weak-fallback) | |
Changes
Changes to src/tokenize.c.
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555 556 557 558 559 560 561 | } #endif assert( pParse->pNewTable==0 ); assert( pParse->pNewTrigger==0 ); assert( pParse->nVar==0 ); assert( pParse->pVList==0 ); while( 1 ){ | < | | | | | < < < < < < < < < < < < | > > > > > > > | > | > > | | | > > > > | | | | | | | | | < | 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 | } #endif assert( pParse->pNewTable==0 ); assert( pParse->pNewTrigger==0 ); assert( pParse->nVar==0 ); assert( pParse->pVList==0 ); while( 1 ){ n = sqlite3GetToken((u8*)zSql, &tokenType); mxSqlLen -= n; if( mxSqlLen<0 ){ pParse->rc = SQLITE_TOOBIG; break; } if( tokenType>=TK_SPACE ){ assert( tokenType==TK_SPACE || tokenType==TK_ILLEGAL ); if( db->u1.isInterrupted ){ pParse->rc = SQLITE_INTERRUPT; break; } if( tokenType==TK_SPACE ){ zSql += n; continue; } if( zSql[0]==0 ){ /* Upon reaching the end of input, call the parser two more times ** with tokens TK_SEMI and 0, in that order. */ if( lastTokenParsed==TK_SEMI ){ tokenType = 0; }else if( lastTokenParsed==0 ){ break; }else{ tokenType = TK_SEMI; } n = 0; }else{ sqlite3ErrorMsg(pParse, "unrecognized token: \"%.*s\"", n, zSql); break; } } else if( tokenType==TK_WINDOW ){ tokenType = analyzeWindowKeyword((const u8*)&zSql[6]); } pParse->sLastToken.z = zSql; pParse->sLastToken.n = n; sqlite3Parser(pEngine, tokenType, pParse->sLastToken); lastTokenParsed = tokenType; zSql += n; if( pParse->rc!=SQLITE_OK || db->mallocFailed ) break; } assert( nErr==0 ); #ifdef YYTRACKMAXSTACKDEPTH sqlite3_mutex_enter(sqlite3MallocMutex()); sqlite3StatusHighwater(SQLITE_STATUS_PARSER_STACK, sqlite3ParserStackPeak(pEngine) ); |
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