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Simplification to the logic used to decide between OP_Seek and OP_NotExists.

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Use OP_NotExists for both DELETE and UPDATE.

FossilOrigin-Name: 3a695263183303e3f64eb2320752d0fdef53eaf2
This commit is contained in:
drh
2016-05-06 20:23:12 +00:00
parent a3fd75d426
commit f09c48233a
5 changed files with 19 additions and 14 deletions
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3
src/update.c
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@@ -352,7 +352,8 @@ void sqlite3Update(
if( HasRowid(pTab) ){
sqlite3VdbeAddOp3(v, OP_Null, 0, regRowSet, regOldRowid);
pWInfo = sqlite3WhereBegin(
pParse, pTabList, pWhere, 0, 0, WHERE_ONEPASS_DESIRED, iIdxCur
pParse, pTabList, pWhere, 0, 0,
WHERE_ONEPASS_DESIRED | WHERE_SEEK_TABLE, iIdxCur
);
if( pWInfo==0 ) goto update_cleanup;
okOnePass = sqlite3WhereOkOnePass(pWInfo, aiCurOnePass);