diff --git a/doc/src/sgml/postgres-fdw.sgml b/doc/src/sgml/postgres-fdw.sgml index 1079140..8e39052 100644 --- a/doc/src/sgml/postgres-fdw.sgml +++ b/doc/src/sgml/postgres-fdw.sgml @@ -361,9 +361,11 @@ Note that constraints other than NOT NULL will never be - imported from the remote tables, since PostgreSQL - does not support any other type of constraint on a foreign table. - Checking other types of constraints is always left to the remote server. + imported from the remote tables. Other than NOT NULL, + PostgreSQL supports CHECK constraints + on foreign tables. However, it is up to you to determine which + CHECK constraints on the remote tables should be attached + to the foreign table definitions.