pgschema
operates at the schema level. This means it does not support SQL commands that operate the non-schema level objects.
CREATE DATABASE
CREATE ROLE
CREATE TABLESPACE
CREATE USER
CREATE CAST
CREATE COLLATION
CREATE CONVERSION
CREATE EVENT TRIGGER
CREATE EXTENSION
CREATE FOREIGN DATA WRAPPER
CREATE LANGUAGE
CREATE OPERATOR
CREATE PUBLICATION
CREATE SCHEMA
CREATE SERVER
CREATE SUBSCRIPTION
CREATE TEXT SEARCH
CREATE USER MAPPING
RENAME
is not supported.