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CREATE PROCEDURE test_proc1()
LANGUAGE plperl
AS $$
undef;
$$;
CALL test_proc1();
CREATE PROCEDURE test_proc2()
LANGUAGE plperl
AS $$
return 5
$$;
CALL test_proc2();
CREATE TABLE test1 (a int);
CREATE PROCEDURE test_proc3(x int)
LANGUAGE plperl
AS $$
spi_exec_query("INSERT INTO test1 VALUES ($_[0])");
$$;
CALL test_proc3(55);
SELECT * FROM test1;
a
----
55
(1 row)
-- output arguments
CREATE PROCEDURE test_proc5(INOUT a text)
LANGUAGE plperl
AS $$
my ($a) = @_;
return { a => "$a+$a" };
$$;
CALL test_proc5('abc');
a
---------
abc+abc
(1 row)
CREATE PROCEDURE test_proc6(a int, INOUT b int, INOUT c int)
LANGUAGE plperl
AS $$
my ($a, $b, $c) = @_;
return { b => $b * $a, c => $c * $a };
$$;
CALL test_proc6(2, 3, 4);
b | c
---+---
6 | 8
(1 row)
DROP PROCEDURE test_proc1;
DROP PROCEDURE test_proc2;
DROP PROCEDURE test_proc3;
DROP TABLE test1;
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