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Without CASCADE, if an extension has an unfullfilled dependency on another extension, CREATE EXTENSION ERRORs out with "required extension ... is not installed". That is annoying, especially when that dependency is an implementation detail of the extension, rather than something the extension's user can make sense of. In addition to CASCADE this also includes a small set of regression tests around CREATE EXTENSION. Author: Petr Jelinek, editorialized by Michael Paquier, Andres Freund Reviewed-By: Michael Paquier, Andres Freund, Jeff Janes Discussion: 557E0520.3040800@2ndquadrant.com
120 lines
2.6 KiB
PL/PgSQL
120 lines
2.6 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 $$
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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elog(INFO, Dumper($_[0]));
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return scalar(keys %{$_[0]});
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$$;
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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 $$
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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elog(INFO, Dumper($_[0]));
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return scalar(keys %{$_[0]});
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$$;
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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 $$
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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elog(INFO, Dumper($_[0]));
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return scalar(keys %{$_[0]});
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$$;
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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 $$
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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elog(INFO, Dumper($_[0]->[0], $_[0]->[1]));
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return scalar(keys %{$_[0]});
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$$;
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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 $$
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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$rv = spi_exec_query(q{SELECT 'aa=>bb, cc=>NULL'::hstore AS col1});
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elog(INFO, Dumper($rv->{rows}[0]->{col1}));
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$val = {a => 1, b => 'boo', c => undef};
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$plan = spi_prepare(q{SELECT $1::text AS col1}, "hstore");
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$rv = spi_exec_prepared($plan, {}, $val);
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elog(INFO, Dumper($rv->{rows}[0]->{col1}));
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$$;
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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 $$
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use Data::Dumper;
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$Data::Dumper::Sortkeys = 1;
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elog(INFO, Dumper($_TD->{new}));
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if ($_TD->{new}{a} == 1) {
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$_TD->{new}{b} = {a => 1, b => 'boo', c => undef};
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}
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return "MODIFY";
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$$;
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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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