-- general regression test for transforms
DROP EXTENSION IF EXISTS hstore CASCADE;
NOTICE:  extension "hstore" does not exist, skipping
DROP EXTENSION IF EXISTS plperl CASCADE;
NOTICE:  extension "plperl" does not exist, skipping
DROP EXTENSION IF EXISTS hstore_plperl CASCADE;
NOTICE:  extension "hstore_plperl" does not exist, skipping
CREATE EXTENSION hstore;
CREATE EXTENSION plperl;
CREATE FUNCTION hstore_to_plperl(val internal) RETURNS internal
LANGUAGE C STRICT IMMUTABLE
AS '$libdir/hstore_plperl';
CREATE FUNCTION plperl_to_hstore(val internal) RETURNS hstore
LANGUAGE C STRICT IMMUTABLE
AS '$libdir/hstore_plperl';
CREATE TRANSFORM FOR foo LANGUAGE plperl (FROM SQL WITH FUNCTION hstore_to_plperl(internal), TO SQL WITH FUNCTION plperl_to_hstore(internal));  -- fail
ERROR:  type "foo" does not exist
CREATE TRANSFORM FOR hstore LANGUAGE foo (FROM SQL WITH FUNCTION hstore_to_plperl(internal), TO SQL WITH FUNCTION plperl_to_hstore(internal));  -- fail
ERROR:  language "foo" does not exist
CREATE TRANSFORM FOR hstore LANGUAGE plperl (FROM SQL WITH FUNCTION hstore_out(hstore), TO SQL WITH FUNCTION plperl_to_hstore(internal));  -- fail
ERROR:  return data type of FROM SQL function must be internal
CREATE TRANSFORM FOR hstore LANGUAGE plperl (FROM SQL WITH FUNCTION internal_in(cstring), TO SQL WITH FUNCTION plperl_to_hstore(internal));  -- fail
ERROR:  first argument of transform function must be type internal
CREATE TRANSFORM FOR hstore LANGUAGE plperl (FROM SQL WITH FUNCTION hstore_to_plperl(internal), TO SQL WITH FUNCTION plperl_to_hstore(internal));  -- ok
CREATE TRANSFORM FOR hstore LANGUAGE plperl (FROM SQL WITH FUNCTION hstore_to_plperl(internal), TO SQL WITH FUNCTION plperl_to_hstore(internal));  -- fail
ERROR:  transform for type hstore language "plperl" already exists
CREATE OR REPLACE TRANSFORM FOR hstore LANGUAGE plperl (FROM SQL WITH FUNCTION hstore_to_plperl(internal), TO SQL WITH FUNCTION plperl_to_hstore(internal));  -- ok
CREATE OR REPLACE TRANSFORM FOR hstore LANGUAGE plperl (FROM SQL WITH FUNCTION hstore_to_plperl(internal));  -- ok
CREATE OR REPLACE TRANSFORM FOR hstore LANGUAGE plperl (TO SQL WITH FUNCTION plperl_to_hstore(internal));  -- ok
COMMENT ON TRANSFORM FOR hstore LANGUAGE plperl IS 'test';
DROP TRANSFORM IF EXISTS FOR fake_type LANGUAGE plperl;
NOTICE:  type "fake_type" does not exist, skipping
DROP TRANSFORM IF EXISTS FOR hstore LANGUAGE fake_lang;
NOTICE:  transform for type hstore language "fake_lang" does not exist, skipping
DROP TRANSFORM FOR foo LANGUAGE plperl;
ERROR:  type "foo" does not exist
DROP TRANSFORM FOR hstore LANGUAGE foo;
ERROR:  language "foo" does not exist
DROP TRANSFORM FOR hstore LANGUAGE plperl;
DROP TRANSFORM IF EXISTS FOR hstore LANGUAGE plperl;
NOTICE:  transform for type hstore language "plperl" does not exist, skipping
DROP FUNCTION hstore_to_plperl(val internal);
DROP FUNCTION plperl_to_hstore(val internal);
CREATE EXTENSION hstore_plperl;
\dx+ hstore_plperl
 Objects in extension "hstore_plperl"
          Object description          
--------------------------------------
 function hstore_to_plperl(internal)
 function plperl_to_hstore(internal)
 transform for hstore language plperl
(3 rows)

ALTER EXTENSION hstore_plperl DROP TRANSFORM FOR hstore LANGUAGE plperl;
\dx+ hstore_plperl
Objects in extension "hstore_plperl"
         Object description          
-------------------------------------
 function hstore_to_plperl(internal)
 function plperl_to_hstore(internal)
(2 rows)

ALTER EXTENSION hstore_plperl ADD TRANSFORM FOR hstore LANGUAGE plperl;
\dx+ hstore_plperl
 Objects in extension "hstore_plperl"
          Object description          
--------------------------------------
 function hstore_to_plperl(internal)
 function plperl_to_hstore(internal)
 transform for hstore language plperl
(3 rows)

DROP EXTENSION hstore CASCADE;
NOTICE:  drop cascades to extension hstore_plperl
DROP EXTENSION plperl CASCADE;