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Small performance enhancement for whereScanInit().

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FossilOrigin-Name: ed84e124c6097b756ca687ac64df7ee801d14b16c835f1a9e8b336f785157d85
This commit is contained in:
drh 2021-12-02 02:22:35 +00:00
parent 9b3bfa00cd
commit 79ab384121
3 changed files with 13 additions and 13 deletions
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manifest
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@ -1,5 +1,5 @@
C Performance\simprovement\sin\squery\splanning.
D 2021-12-02T01:30:16.970
C Small\sperformance\senhancement\sfor\swhereScanInit().
D 2021-12-02T02:22:35.475
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -637,7 +637,7 @@ F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
F src/wal.c ed0398a7adf02c31e34aada42cc86c58f413a7afe5f741a5d373ad087abde028
F src/wal.h c3aa7825bfa2fe0d85bef2db94655f99870a285778baa36307c0a16da32b226a
F src/walker.c f890a3298418d7cba3b69b8803594fdc484ea241206a8dfa99db6dd36f8cbb3b
F src/where.c db68967fe15efdddbc067835401a0c02e2d8460daee2fdda85ca491451865170
F src/where.c 36e6ce4c1dd564885f2596e2c2aab61c7a56c7f9aeae63d6bb258d1464883ad6
F src/whereInt.h 83877a75a1bce056ea44aff02f1dfa958ad1d6038c213ddadb8652003b45151d
F src/wherecode.c 1f5b62f46d284c8886945eb7438415bc27e23e87bb60b9ee468fa6bd31268f33
F src/whereexpr.c 17bdbf4f5b490e70a18635498f0b910a558f953a9bf80af7f19cbde6e60e6825
@ -1933,7 +1933,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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U drh
Z 9b172105eb69d7dd67f53ef8928dc7e1
Z e7cfc5073afcf7170a57b786bbc9a825

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@ -1 +1 @@
ca59533bbb7f21d7b39dee7999d3f36ac516f8c75b2203039beeb2852ada42d4
ed84e124c6097b756ca687ac64df7ee801d14b16c835f1a9e8b336f785157d85

12
src/where.c
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@ -419,16 +419,16 @@ static WhereTerm *whereScanInit(
if( pIdx ){
int j = iColumn;
iColumn = pIdx->aiColumn[j];
if( iColumn==XN_EXPR ){
pScan->pIdxExpr = pIdx->aColExpr->a[j].pExpr;
pScan->zCollName = pIdx->azColl[j];
pScan->aiColumn[0] = XN_EXPR;
return whereScanInitIndexExpr(pScan);
}else if( iColumn==pIdx->pTable->iPKey ){
if( iColumn==pIdx->pTable->iPKey ){
iColumn = XN_ROWID;
}else if( iColumn>=0 ){
pScan->idxaff = pIdx->pTable->aCol[iColumn].affinity;
pScan->zCollName = pIdx->azColl[j];
}else if( iColumn==XN_EXPR ){
pScan->pIdxExpr = pIdx->aColExpr->a[j].pExpr;
pScan->zCollName = pIdx->azColl[j];
pScan->aiColumn[0] = XN_EXPR;
return whereScanInitIndexExpr(pScan);
}
}else if( iColumn==XN_EXPR ){
return 0;