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-rw-r--r--src/backend/catalog/heap.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/backend/catalog/heap.c b/src/backend/catalog/heap.c
index 4c30c7d461f..96d5885d863 100644
--- 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.