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-rw-r--r--src/wherecode.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/wherecode.c b/src/wherecode.c
index a895d3935..4aca6eb62 100644
--- a/src/wherecode.c
+++ b/src/wherecode.c
@@ -2106,7 +2106,7 @@ Bitmask sqlite3WhereCodeOneLoopStart(
/* Record the instruction used to terminate the loop. */
if( (pLoop->wsFlags & WHERE_ONEROW)
- || (pLevel->u.in.nIn && whereLoopIsOneRow(pLoop))
+ || (pLevel->u.in.nIn && regBignull==0 && whereLoopIsOneRow(pLoop))
){
pLevel->op = OP_Noop;
}else if( bRev ){