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Minor simplification of the cursor allocation logic for update.

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FossilOrigin-Name: fdf71be65835e7e8915d16dd64114de35c4754ef5b94a2af6cac88a94817fb75
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drh
2018-04-20 00:40:19 +00:00
parent 7963691314
commit 2ac4e5cca9
3 changed files with 11 additions and 10 deletions
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7
src/update.c
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@@ -201,16 +201,17 @@ void sqlite3Update(
** need to occur right after the database cursor. So go ahead and
** allocate enough space, just in case.
*/
pTabList->a[0].iCursor = iBaseCur = iDataCur = pParse->nTab++;
iBaseCur = iDataCur = pParse->nTab++;
iIdxCur = iDataCur+1;
pPk = HasRowid(pTab) ? 0 : sqlite3PrimaryKeyIndex(pTab);
testcase( pPk!=0 && pPk!=pTab->pIndex );
for(nIdx=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, nIdx++){
if( IsPrimaryKeyIndex(pIdx) && pPk!=0 ){
if( pPk==pIdx ){
iDataCur = pParse->nTab;
pTabList->a[0].iCursor = iDataCur;
}
pParse->nTab++;
}
pTabList->a[0].iCursor = iDataCur;
/* Allocate space for aXRef[], aRegIdx[], and aToOpen[].
** Initialize aXRef[] and aToOpen[] to their default values.