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Overview
Comment: | Very slightly smaller and faster sqlite3WalkSelect(). |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
9bc65635b29a4991c7821ef0939975d0 |
User & Date: | drh 2017-07-07 11:49:48.109 |
Context
2017-07-07
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12:43 | More aggressive use of EP_Leaf on expression nodes, to help prune searches. (check-in: c1a1d68c82 user: drh tags: trunk) | |
11:49 | Very slightly smaller and faster sqlite3WalkSelect(). (check-in: 9bc65635b2 user: drh tags: trunk) | |
2017-07-06
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22:43 | Small adjustment to main.mk that facilitates giving non-standard compile-time options to the shell. (check-in: 7c7d53a9bb user: drh tags: trunk) | |
Changes
Changes to src/walker.c.
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100 101 102 103 104 105 106 | SrcList *pSrc; int i; struct SrcList_item *pItem; pSrc = p->pSrc; if( ALWAYS(pSrc) ){ for(i=pSrc->nSrc, pItem=pSrc->a; i>0; i--, pItem++){ | | | 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | SrcList *pSrc; int i; struct SrcList_item *pItem; pSrc = p->pSrc; if( ALWAYS(pSrc) ){ for(i=pSrc->nSrc, pItem=pSrc->a; i>0; i--, pItem++){ if( pItem->pSelect && sqlite3WalkSelect(pWalker, pItem->pSelect) ){ return WRC_Abort; } if( pItem->fg.isTabFunc && sqlite3WalkExprList(pWalker, pItem->u1.pFuncArg) ){ return WRC_Abort; } |
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132 133 134 135 136 137 138 | ** there is an abort request. ** ** If the Walker does not have an xSelectCallback() then this routine ** is a no-op returning WRC_Continue. */ int sqlite3WalkSelect(Walker *pWalker, Select *p){ int rc; | > | | 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | ** there is an abort request. ** ** If the Walker does not have an xSelectCallback() then this routine ** is a no-op returning WRC_Continue. */ int sqlite3WalkSelect(Walker *pWalker, Select *p){ int rc; if( p==0 ) return WRC_Continue; if( pWalker->xSelectCallback==0 ) return WRC_Continue; do{ rc = pWalker->xSelectCallback(pWalker, p); if( rc ) return rc & WRC_Abort; if( sqlite3WalkSelectExpr(pWalker, p) || sqlite3WalkSelectFrom(pWalker, p) ){ return WRC_Abort; |
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