doc: ALTER DOMAIN VALIDATE CONSTRAINT can also fail

Document that ALTER DOMAIN VALIDATE CONSTRAINT can also fail for
composite types.

Report by Ondřej Bouda

diff --git a/doc/src/sgml/ref/alter_domain.sgml b/doc/src/sgml/ref/alter_domain.sgml
index f738b2948b3581045af8a5ca0f8e6dc45a1b380d..ac9a5b3f87dfcc0b743ca869c39c82aee5bc2aa5 100644 (file)
--- a/doc/src/sgml/ref/alter_domain.sgml
+++ b/doc/src/sgml/ref/alter_domain.sgml
@@ -271,9 +271,9 @@ ALTER DOMAIN name
   Notes
 
   
-   Currently, ALTER DOMAIN ADD CONSTRAINT and
-   ALTER DOMAIN SET NOT NULL will fail if the validated named
-   domain or
+   Currently, ALTER DOMAIN ADD CONSTRAINT, ALTER
+   DOMAIN VALIDATE CONSTRAINT, and ALTER DOMAIN SET NOT NULL
+   will fail if the validated named domain or
    any derived domain is used within a composite-type column of any
    table in the database.  They should eventually be improved to be
    able to verify the new constraint for such nested columns.