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| author | dan <Dan Kennedy> | 2024-06-07 21:00:42 +0000 |
|---|---|---|
| committer | dan <Dan Kennedy> | 2024-06-07 21:00:42 +0000 |
| commit | 5525ac1049ad73e6ddb1ad444993cc32d9980e4e (patch) | |
| tree | 037b0d11e5305bbdce55367c1f4db74da9b54f4f /src/resolve.c | |
| parent | df9471b1b55e956fec7f25392bfe7fc5ca481202 (diff) | |
| download | sqlite-5525ac1049ad73e6ddb1ad444993cc32d9980e4e.tar.gz sqlite-5525ac1049ad73e6ddb1ad444993cc32d9980e4e.zip | |
Experimental optimization to rewrite a SELECT with an EXISTS(...) expression in the WHERE clause as a join.
FossilOrigin-Name: 972a33db0b0e924b78d5309d222d8ea298bd59c72da14ea2d14e8e2caaad1e0a
Diffstat (limited to 'src/resolve.c')
| -rw-r--r-- | src/resolve.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/resolve.c b/src/resolve.c index d5c1515a7..9cb366262 100644 --- a/src/resolve.c +++ b/src/resolve.c @@ -1367,6 +1367,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){ if( nRef!=pNC->nRef ){ ExprSetProperty(pExpr, EP_VarSelect); pExpr->x.pSelect->selFlags |= SF_Correlated; + if( pExpr->op==TK_EXISTS ) pParse->bHasExists = 1; } pNC->ncFlags |= NC_Subquery; } |