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Silently ignore redundant ON CONFLICT clauses in an UPSERT. Only the first

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ON CONFLICT for each index is active.  Do not issue an error, since that might
break legacy queries.  But ignore the redundant ON CONFLICT clauses to prevent
problems such as described in [forum:/forumpost/919c6579c8|forum post 919c6579c8].

FossilOrigin-Name: d0ea6b6ba64dba9d68c2b391ccf1171ea96fcdd7409dafdb2b697accb00246b8
This commit is contained in:
drh
2024-03-08 14:01:48 +00:00
parent b89aa10cd0
commit 926fb60b05
6 changed files with 73 additions and 17 deletions
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src/insert.c
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@@ -1086,7 +1086,7 @@ void sqlite3Insert(
pNx->iDataCur = iDataCur;
pNx->iIdxCur = iIdxCur;
if( pNx->pUpsertTarget ){
if( sqlite3UpsertAnalyzeTarget(pParse, pTabList, pNx) ){
if( sqlite3UpsertAnalyzeTarget(pParse, pTabList, pNx, pUpsert) ){
goto insert_cleanup;
}
}