From 8cf0ad1ea38db3e16ac04b408168df4c937862e6 Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Wed, 5 Mar 2014 16:00:22 -0500 Subject: [PATCH] Add comment that ec_relids excludes "child" EquivalenceClass members. This was already documented a few lines further down, but the comment just beside the field declaration could be misleading. Per gripe from Kyotaro Horiguchi. --- src/include/nodes/relation.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/include/nodes/relation.h b/src/include/nodes/relation.h index 8aa40d0ef01..c607b36e3a7 100644 --- a/src/include/nodes/relation.h +++ b/src/include/nodes/relation.h @@ -585,7 +585,8 @@ typedef struct EquivalenceClass List *ec_members; /* list of EquivalenceMembers */ List *ec_sources; /* list of generating RestrictInfos */ List *ec_derives; /* list of derived RestrictInfos */ - Relids ec_relids; /* all relids appearing in ec_members */ + Relids ec_relids; /* all relids appearing in ec_members, except + * for child members (see below) */ bool ec_has_const; /* any pseudoconstants in ec_members? */ bool ec_has_volatile; /* the (sole) member is a volatile expr */ bool ec_below_outer_join; /* equivalence applies below an OJ */ -- 2.47.2