From 849a1078161cc14495f9b25f0afd31f433d91f41 Mon Sep 17 00:00:00 2001
From: "yizhi.fzh" <yizhi.fzh@alibaba-inc.com>
Date: Tue, 2 Apr 2024 14:53:30 +0800
Subject: [PATCH v1 7/8] bms_is_empty is more effective than bms_num_members(b)
 == 0.

---
 src/backend/statistics/extended_stats.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backend/statistics/extended_stats.c b/src/backend/statistics/extended_stats.c
index 0deb0c3c55..109fe5a04a 100644
--- a/src/backend/statistics/extended_stats.c
+++ b/src/backend/statistics/extended_stats.c
@@ -2930,7 +2930,7 @@ statext_try_join_estimates(PlannerInfo *root, List *clauses, int varRelid,
 	}
 
 	/* no join clauses found, don't try applying extended stats */
-	if (bms_num_members(relids) == 0)
+	if (bms_is_empty(relids))
 		return false;
 
 	/*
-- 
2.34.1