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Changes so that sqlite3_vtab_nochange() works with "UPDATE ... FROM...". Use this to allow UPDATE on a contentless fts5 table if new values are supplied for all indexed columns.

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FossilOrigin-Name: 16cd2161e312cf97129011fc829079db8f762b822b2f4fabf7ff6742c071302f
This commit is contained in:
dan
2023-08-07 16:15:56 +00:00
parent 7c26811c2f
commit be3ab76bfb
8 changed files with 100 additions and 16 deletions
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4
src/update.c
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@@ -1259,7 +1259,9 @@ static void updateVirtualTable(
sqlite3ExprDup(db, pChanges->a[aXRef[i]].pExpr, 0)
);
}else{
pList = sqlite3ExprListAppend(pParse, pList, exprRowColumn(pParse, i));
Expr *pRow = exprRowColumn(pParse, i);
if( pRow ) pRow->op2 = OPFLAG_NOCHNG;
pList = sqlite3ExprListAppend(pParse, pList, pRow);
}
}