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-rw-r--r--src/backend/nodes/list.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/backend/nodes/list.c b/src/backend/nodes/list.c
index dbf6b30233a..94fb236dafe 100644
--- a/src/backend/nodes/list.c
+++ b/src/backend/nodes/list.c
@@ -1507,6 +1507,22 @@ list_sort(List *list, list_sort_comparator cmp)
}
/*
+ * list_sort comparator for sorting a list into ascending int order.
+ */
+int
+list_int_cmp(const ListCell *p1, const ListCell *p2)
+{
+ int v1 = lfirst_int(p1);
+ int v2 = lfirst_int(p2);
+
+ if (v1 < v2)
+ return -1;
+ if (v1 > v2)
+ return 1;
+ return 0;
+}
+
+/*
* list_sort comparator for sorting a list into ascending OID order.
*/
int