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-rw-r--r--src/backend/utils/adt/selfuncs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/utils/adt/selfuncs.c b/src/backend/utils/adt/selfuncs.c
index 00c7afc66fc..bec357fcef0 100644
--- a/src/backend/utils/adt/selfuncs.c
+++ b/src/backend/utils/adt/selfuncs.c
@@ -3519,7 +3519,7 @@ estimate_num_groups(PlannerInfo *root, List *groupExprs, double input_rows,
* for remaining Vars on other rels.
*/
relvarinfos = lappend(relvarinfos, varinfo1);
- for_each_cell(l, varinfos, list_second_cell(varinfos))
+ for_each_from(l, varinfos, 1)
{
GroupVarInfo *varinfo2 = (GroupVarInfo *) lfirst(l);