From eb1312ae84628be0ce91f001ab9dee34521ad7f5 Mon Sep 17 00:00:00 2001 From: Daniel Gustafsson Date: Wed, 30 May 2018 10:25:23 -0400 Subject: [PATCH 2/2] Clarify the comment on bms_num_members vs bms_membership --- src/backend/nodes/bitmapset.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/backend/nodes/bitmapset.c b/src/backend/nodes/bitmapset.c index 9bf9a29d6b..6adf9b2895 100644 --- a/src/backend/nodes/bitmapset.c +++ b/src/backend/nodes/bitmapset.c @@ -666,6 +666,9 @@ bms_get_singleton_member(const Bitmapset *a, int *member) /* * bms_num_members - count members of set + * + * In situations where the exact count isn't required, bms_membership can be + * used to test if the set has 0, 1 or multiple members. */ int bms_num_members(const Bitmapset *a) -- 2.14.1.145.gb3622a4ee