1 files changed, 7 insertions, 0 deletions
diff --git a/src/include/catalog/pg_constraint.h b/src/include/catalog/pg_constraint.h
index 35788315bc4..4b4476738a2 100644
--- a/src/include/catalog/pg_constraint.h
+++ b/src/include/catalog/pg_constraint.h
@@ -257,7 +257,14 @@ extern char *ChooseConstraintName(const char *name1, const char *name2,
 								  const char *label, Oid namespaceid,
 								  List *others);
 
+extern HeapTuple findNotNullConstraintAttnum(Oid relid, AttrNumber attnum);
+extern HeapTuple findNotNullConstraint(Oid relid, const char *colname);
 extern HeapTuple findDomainNotNullConstraint(Oid typid);
+extern AttrNumber extractNotNullColumn(HeapTuple constrTup);
+extern bool AdjustNotNullInheritance(Oid relid, AttrNumber attnum,
+									 bool is_local, bool is_no_inherit);
+extern List *RelationGetNotNullConstraints(Oid relid, bool cooked,
+										   bool include_noinh);
 
 extern void RemoveConstraintById(Oid conId);
 extern void RenameConstraintById(Oid conId, const char *newname);