Add comment missing in a4a232b1e7

Noticed while studying nearby code
2023-08-22 12:22:03 +02:00 · 2023-08-22 12:22:03 +02:00 · 757fa45c86
parent 1cdc6d86bf
commit 757fa45c86
1 changed files with 2 additions and 0 deletions
--- a/src/backend/catalog/heap.c
+++ b/src/backend/catalog/heap.c
@ -2215,6 +2215,8 @@ StoreConstraints(Relation rel, List *cooked_constraints, bool is_internal)
 * allow_merge: true if check constraints may be merged with existing ones
 * is_local: true if definition is local, false if it's inherited
 * is_internal: true if result of some internal process, not a user request
+ * queryString: used during expression transformation of default values and
+ *		cooked CHECK constraints
 *
 * All entries in newColDefaults will be processed.  Entries in newConstraints
 * will be processed only if they are CONSTR_CHECK type.