126 lines
2.8 KiB
PL/PgSQL
126 lines
2.8 KiB
PL/PgSQL
CREATE EXTENSION hstore_plperlu CASCADE;
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SELECT transforms.udt_schema, transforms.udt_name,
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routine_schema, routine_name,
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group_name, transform_type
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FROM information_schema.transforms JOIN information_schema.routines
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USING (specific_catalog, specific_schema, specific_name)
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ORDER BY 1, 2, 5, 6;
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-- test hstore -> perl
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CREATE FUNCTION test1(val hstore) RETURNS int
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LANGUAGE plperlu
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TRANSFORM FOR TYPE hstore
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AS $$
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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$Data::Dumper::Indent = 0;
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elog(INFO, Dumper($_[0]));
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return scalar(keys %{$_[0]});
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$$;
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SELECT test1('aa=>bb, cc=>NULL'::hstore);
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CREATE FUNCTION test1none(val hstore) RETURNS int
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LANGUAGE plperlu
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AS $$
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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$Data::Dumper::Indent = 0;
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elog(INFO, Dumper($_[0]));
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return scalar(keys %{$_[0]});
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$$;
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SELECT test1none('aa=>bb, cc=>NULL'::hstore);
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CREATE FUNCTION test1list(val hstore) RETURNS int
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LANGUAGE plperlu
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TRANSFORM FOR TYPE hstore
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AS $$
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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$Data::Dumper::Indent = 0;
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elog(INFO, Dumper($_[0]));
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return scalar(keys %{$_[0]});
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$$;
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SELECT test1list('aa=>bb, cc=>NULL'::hstore);
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-- test hstore[] -> perl
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CREATE FUNCTION test1arr(val hstore[]) RETURNS int
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LANGUAGE plperlu
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TRANSFORM FOR TYPE hstore
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AS $$
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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$Data::Dumper::Indent = 0;
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elog(INFO, Dumper($_[0]->[0], $_[0]->[1]));
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return scalar(keys %{$_[0]});
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$$;
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SELECT test1arr(array['aa=>bb, cc=>NULL'::hstore, 'dd=>ee']);
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-- test as part of prepare/execute
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CREATE FUNCTION test3() RETURNS void
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LANGUAGE plperlu
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TRANSFORM FOR TYPE hstore
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AS $$
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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$Data::Dumper::Indent = 0;
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$rv = spi_exec_query(q{SELECT 'aa=>bb, cc=>NULL'::hstore AS col1});
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elog(INFO, Dumper($rv->{rows}[0]->{col1}));
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$val = {a => 1, b => 'boo', c => undef};
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$plan = spi_prepare(q{SELECT $1::text AS col1}, "hstore");
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$rv = spi_exec_prepared($plan, {}, $val);
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elog(INFO, Dumper($rv->{rows}[0]->{col1}));
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$$;
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SELECT test3();
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-- test trigger
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CREATE TABLE test1 (a int, b hstore);
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INSERT INTO test1 VALUES (1, 'aa=>bb, cc=>NULL');
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SELECT * FROM test1;
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CREATE FUNCTION test4() RETURNS trigger
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LANGUAGE plperlu
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TRANSFORM FOR TYPE hstore
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AS $$
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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$Data::Dumper::Indent = 0;
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elog(INFO, Dumper($_TD->{new}));
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if ($_TD->{new}{a} == 1) {
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$_TD->{new}{b} = {a => 1, b => 'boo', c => undef};
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}
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return "MODIFY";
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$$;
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CREATE TRIGGER test4 BEFORE UPDATE ON test1 FOR EACH ROW EXECUTE PROCEDURE test4();
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UPDATE test1 SET a = a;
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SELECT * FROM test1;
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DROP TABLE test1;
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DROP FUNCTION test1(hstore);
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DROP FUNCTION test1none(hstore);
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DROP FUNCTION test1list(hstore);
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DROP FUNCTION test1arr(hstore[]);
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DROP FUNCTION test3();
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DROP FUNCTION test4();
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DROP EXTENSION hstore_plperlu;
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DROP EXTENSION hstore;
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DROP EXTENSION plperlu;
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