3 files changed, 234 insertions, 0 deletions
diff --git a/contrib/hstore_plperl/sql/create_transform.sql b/contrib/hstore_plperl/sql/create_transform.sql
new file mode 100644
index 0000000..d0a12ad
--- /dev/null
+++ b/contrib/hstore_plperl/sql/create_transform.sql
@@ -0,0 +1,49 @@
+-- general regression test for transforms
+
+DROP EXTENSION IF EXISTS hstore CASCADE;
+DROP EXTENSION IF EXISTS plperl CASCADE;
+DROP EXTENSION IF EXISTS hstore_plperl CASCADE;
+
+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
+CREATE TRANSFORM FOR hstore LANGUAGE foo (FROM SQL WITH FUNCTION hstore_to_plperl(internal), TO SQL WITH FUNCTION plperl_to_hstore(internal));  -- fail
+CREATE TRANSFORM FOR hstore LANGUAGE plperl (FROM SQL WITH FUNCTION hstore_out(hstore), TO SQL WITH FUNCTION plperl_to_hstore(internal));  -- fail
+CREATE TRANSFORM FOR hstore LANGUAGE plperl (FROM SQL WITH FUNCTION internal_in(cstring), TO SQL WITH FUNCTION plperl_to_hstore(internal));  -- fail
+
+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
+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;
+DROP TRANSFORM IF EXISTS FOR hstore LANGUAGE fake_lang;
+DROP TRANSFORM FOR foo LANGUAGE plperl;
+DROP TRANSFORM FOR hstore LANGUAGE foo;
+DROP TRANSFORM FOR hstore LANGUAGE plperl;
+DROP TRANSFORM IF EXISTS FOR hstore LANGUAGE plperl;
+
+DROP FUNCTION hstore_to_plperl(val internal);
+DROP FUNCTION plperl_to_hstore(val internal);
+
+CREATE EXTENSION hstore_plperl;
+\dx+ hstore_plperl
+ALTER EXTENSION hstore_plperl DROP TRANSFORM FOR hstore LANGUAGE plperl;
+\dx+ hstore_plperl
+ALTER EXTENSION hstore_plperl ADD TRANSFORM FOR hstore LANGUAGE plperl;
+\dx+ hstore_plperl
+
+DROP EXTENSION hstore CASCADE;
+DROP EXTENSION plperl CASCADE;
diff --git a/contrib/hstore_plperl/sql/hstore_plperl.sql b/contrib/hstore_plperl/sql/hstore_plperl.sql
new file mode 100644
index 0000000..ad1db7e
--- /dev/null
+++ b/contrib/hstore_plperl/sql/hstore_plperl.sql
@@ -0,0 +1,60 @@
+CREATE EXTENSION hstore_plperl CASCADE;
+
+SELECT transforms.udt_schema, transforms.udt_name,
+       routine_schema, routine_name,
+       group_name, transform_type
+FROM information_schema.transforms JOIN information_schema.routines
+     USING (specific_catalog, specific_schema, specific_name)
+ORDER BY 1, 2, 5, 6;
+
+
+-- test perl -> hstore
+CREATE FUNCTION test2() RETURNS hstore
+LANGUAGE plperl
+TRANSFORM FOR TYPE hstore
+AS $$
+$val = {a => 1, b => 'boo', c => undef};
+return $val;
+$$;
+
+SELECT test2();
+
+
+-- test perl -> hstore[]
+CREATE FUNCTION test2arr() RETURNS hstore[]
+LANGUAGE plperl
+TRANSFORM FOR TYPE hstore
+AS $$
+$val = [{a => 1, b => 'boo', c => undef}, {d => 2}];
+return $val;
+$$;
+
+SELECT test2arr();
+
+-- check error cases
+CREATE OR REPLACE FUNCTION test2() RETURNS hstore
+LANGUAGE plperl
+TRANSFORM FOR TYPE hstore
+AS $$
+return 42;
+$$;
+
+SELECT test2();
+
+CREATE OR REPLACE FUNCTION test2() RETURNS hstore
+LANGUAGE plperl
+TRANSFORM FOR TYPE hstore
+AS $$
+return [1, 2];
+$$;
+
+SELECT test2();
+
+
+DROP FUNCTION test2();
+DROP FUNCTION test2arr();
+
+
+DROP EXTENSION hstore_plperl;
+DROP EXTENSION hstore;
+DROP EXTENSION plperl;
diff --git a/contrib/hstore_plperl/sql/hstore_plperlu.sql b/contrib/hstore_plperl/sql/hstore_plperlu.sql
new file mode 100644
index 0000000..c714b35
--- /dev/null
+++ b/contrib/hstore_plperl/sql/hstore_plperlu.sql
@@ -0,0 +1,125 @@
+CREATE EXTENSION hstore_plperlu CASCADE;
+
+SELECT transforms.udt_schema, transforms.udt_name,
+       routine_schema, routine_name,
+       group_name, transform_type
+FROM information_schema.transforms JOIN information_schema.routines
+     USING (specific_catalog, specific_schema, specific_name)
+ORDER BY 1, 2, 5, 6;
+
+
+-- test hstore -> perl
+CREATE FUNCTION test1(val hstore) RETURNS int
+LANGUAGE plperlu
+TRANSFORM FOR TYPE hstore
+AS $$
+use Data::Dumper;
+$Data::Dumper::Sortkeys = 1;
+$Data::Dumper::Indent = 0;
+elog(INFO, Dumper($_[0]));
+return scalar(keys %{$_[0]});
+$$;
+
+SELECT test1('aa=>bb, cc=>NULL'::hstore);
+
+CREATE FUNCTION test1none(val hstore) RETURNS int
+LANGUAGE plperlu
+AS $$
+use Data::Dumper;
+$Data::Dumper::Sortkeys = 1;
+$Data::Dumper::Indent = 0;
+elog(INFO, Dumper($_[0]));
+return scalar(keys %{$_[0]});
+$$;
+
+SELECT test1none('aa=>bb, cc=>NULL'::hstore);
+
+CREATE FUNCTION test1list(val hstore) RETURNS int
+LANGUAGE plperlu
+TRANSFORM FOR TYPE hstore
+AS $$
+use Data::Dumper;
+$Data::Dumper::Sortkeys = 1;
+$Data::Dumper::Indent = 0;
+elog(INFO, Dumper($_[0]));
+return scalar(keys %{$_[0]});
+$$;
+
+SELECT test1list('aa=>bb, cc=>NULL'::hstore);
+
+
+-- test hstore[] -> perl
+CREATE FUNCTION test1arr(val hstore[]) RETURNS int
+LANGUAGE plperlu
+TRANSFORM FOR TYPE hstore
+AS $$
+use Data::Dumper;
+$Data::Dumper::Sortkeys = 1;
+$Data::Dumper::Indent = 0;
+elog(INFO, Dumper($_[0]->[0], $_[0]->[1]));
+return scalar(keys %{$_[0]});
+$$;
+
+SELECT test1arr(array['aa=>bb, cc=>NULL'::hstore, 'dd=>ee']);
+
+
+-- test as part of prepare/execute
+CREATE FUNCTION test3() RETURNS void
+LANGUAGE plperlu
+TRANSFORM FOR TYPE hstore
+AS $$
+use Data::Dumper;
+$Data::Dumper::Sortkeys = 1;
+$Data::Dumper::Indent = 0;
+
+$rv = spi_exec_query(q{SELECT 'aa=>bb, cc=>NULL'::hstore AS col1});
+elog(INFO, Dumper($rv->{rows}[0]->{col1}));
+
+$val = {a => 1, b => 'boo', c => undef};
+$plan = spi_prepare(q{SELECT $1::text AS col1}, "hstore");
+$rv = spi_exec_prepared($plan, {}, $val);
+elog(INFO, Dumper($rv->{rows}[0]->{col1}));
+$$;
+
+SELECT test3();
+
+
+-- test trigger
+CREATE TABLE test1 (a int, b hstore);
+INSERT INTO test1 VALUES (1, 'aa=>bb, cc=>NULL');
+SELECT * FROM test1;
+
+CREATE FUNCTION test4() RETURNS trigger
+LANGUAGE plperlu
+TRANSFORM FOR TYPE hstore
+AS $$
+use Data::Dumper;
+$Data::Dumper::Sortkeys = 1;
+$Data::Dumper::Indent = 0;
+elog(INFO, Dumper($_TD->{new}));
+if ($_TD->{new}{a} == 1) {
+    $_TD->{new}{b} = {a => 1, b => 'boo', c => undef};
+}
+
+return "MODIFY";
+$$;
+
+CREATE TRIGGER test4 BEFORE UPDATE ON test1 FOR EACH ROW EXECUTE PROCEDURE test4();
+
+UPDATE test1 SET a = a;
+SELECT * FROM test1;
+
+
+DROP TABLE test1;
+
+DROP FUNCTION test1(hstore);
+DROP FUNCTION test1none(hstore);
+DROP FUNCTION test1list(hstore);
+DROP FUNCTION test1arr(hstore[]);
+DROP FUNCTION test3();
+DROP FUNCTION test4();
+
+
+DROP EXTENSION hstore_plperlu;
+DROP EXTENSION hstore;
+DROP EXTENSION plperlu;