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| author | drh <> | 2023-12-13 16:45:18 +0000 |
|---|---|---|
| committer | drh <> | 2023-12-13 16:45:18 +0000 |
| commit | 3e4195c60db744c69bb24e71236631a80f2ef547 (patch) | |
| tree | fa1b26503142ad7d2bc1046025f3d4ee3f97b5a9 /src/resolve.c | |
| parent | f7c78a240874e5a008f7e1740e264146c8026fdf (diff) | |
| download | sqlite-3e4195c60db744c69bb24e71236631a80f2ef547.tar.gz sqlite-3e4195c60db744c69bb24e71236631a80f2ef547.zip | |
Avoid invoking sqlite3ExprColUsage() on an unresolve column reference.
dbsqlfuzz fc34aa62df4de103705d11b807074687ffafbda5.
FossilOrigin-Name: ac9314c0e335694b48c613145f5397247bb88c51806cd0dc3ed4ec306db4bbad
Diffstat (limited to 'src/resolve.c')
| -rw-r--r-- | src/resolve.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/resolve.c b/src/resolve.c index 5f675c1d2..43592f8ab 100644 --- a/src/resolve.c +++ b/src/resolve.c @@ -182,6 +182,7 @@ Bitmask sqlite3ExprColUsed(Expr *pExpr){ assert( ExprUseYTab(pExpr) ); pExTab = pExpr->y.pTab; assert( pExTab!=0 ); + assert( n < pExTab->nCol ); if( (pExTab->tabFlags & TF_HasGenerated)!=0 && (pExTab->aCol[n].colFlags & COLFLAG_GENERATED)!=0 ){ @@ -784,7 +785,7 @@ static int lookupName( ** If a generated column is referenced, set bits for every column ** of the table. */ - if( pExpr->iColumn>=0 && pMatch!=0 ){ + if( pExpr->iColumn>=0 && cnt==1 && pMatch!=0 ){ pMatch->colUsed |= sqlite3ExprColUsed(pExpr); } |