database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-12-07 20:22:20 +03:00
Code Activity

Small performance enhancement for whereScanInit().

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

12
src/where.c
View File

@@ -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;