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When constructing the synthensized SELECT statement that is used to choose

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the rows in an UPDATE FROM, make sure the first table is really the table
being updated, and not some common-table expression that happens to have the
same name.  [forum:/forumpost/a274248080|forum post a274248080].  More
changes associated with CTE name resolution are pending.

FossilOrigin-Name: 0f0959c6f95046e8e7887716e0a7de95da18d1e926ab1f919527083a56541db5
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drh
2021-05-19 21:55:56 +00:00
parent 1f4f7c7a41
commit 1168f81092
4 changed files with 13 additions and 9 deletions
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4
src/update.c
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@@ -220,6 +220,10 @@ static void updateFromSelect(
assert( pTabList->nSrc>1 );
if( pSrc ){
if( pSrc->a[0].zDatabase==0 ){
int iSchema = sqlite3SchemaToIndex(db, pTab->pSchema);
pSrc->a[0].zDatabase = sqlite3DbStrDup(db, db->aDb[iSchema].zDbSName);
}
pSrc->a[0].iCursor = -1;
pSrc->a[0].pTab->nTabRef--;
pSrc->a[0].pTab = 0;