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When preparing an UPDATE statement, avoid generating VDBE code for those foreign key related actions and constraint checks that may be seen to be unnecessary by considering the subset of table columns potentially modified by the UPDATE.

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FossilOrigin-Name: e940b5de49baa1d6a4cf859fbbc0e0df86ac5dbf
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dan
2013-09-05 18:40:29 +00:00
parent 74dade2155
commit 8ff2d9561a
9 changed files with 169 additions and 48 deletions
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src/insert.c
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@@ -1031,7 +1031,7 @@ void sqlite3Insert(
sqlite3GenerateConstraintChecks(pParse, pTab, baseCur, regIns, aRegIdx,
keyColumn>=0, 0, onError, endOfLoop, &isReplace
);
sqlite3FkCheck(pParse, pTab, 0, regIns);
sqlite3FkCheck(pParse, pTab, 0, regIns, 0, 0);
sqlite3CompleteInsertion(
pParse, pTab, baseCur, regIns, aRegIdx, 0, appendFlag, isReplace==0
);