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-rw-r--r--src/select.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/select.c b/src/select.c
index 8c01b01aa..245b9cf5d 100644
--- a/src/select.c
+++ b/src/select.c
@@ -5829,7 +5829,8 @@ static int selectExpander(Walker *pWalker, Select *p){
zToFree = 0;
}
if( pTabList->nSrc>1
- && !inAnyUsingClause(zName,pFrom,pTabList->nSrc-i-1)
+ && ( (pFrom->fg.jointype & JT_LTORJ)==0
+ || !inAnyUsingClause(zName,pFrom,pTabList->nSrc-i-1) )
){
Expr *pLeft;
pLeft = sqlite3Expr(db, TK_ID, zTabName);