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-rw-r--r--src/include/nodes/relation.h3
1 files changed, 2 insertions, 1 deletions
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 */