178 lines
3.2 KiB
PL/PgSQL
178 lines
3.2 KiB
PL/PgSQL
CALL nonexistent(); -- error
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CALL random(); -- error
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CREATE FUNCTION cp_testfunc1(a int) RETURNS int LANGUAGE SQL AS $$ SELECT a $$;
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CREATE TABLE cp_test (a int, b text);
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CREATE PROCEDURE ptest1(x text)
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LANGUAGE SQL
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AS $$
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INSERT INTO cp_test VALUES (1, x);
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$$;
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\df ptest1
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SELECT pg_get_functiondef('ptest1'::regproc);
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-- show only normal functions
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\dfn public.*test*1
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-- show only procedures
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\dfp public.*test*1
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SELECT ptest1('x'); -- error
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CALL ptest1('a'); -- ok
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CALL ptest1('xy' || 'zzy'); -- ok, constant-folded arg
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CALL ptest1(substring(random()::numeric(20,15)::text, 1, 1)); -- ok, volatile arg
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SELECT * FROM cp_test ORDER BY b COLLATE "C";
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CREATE PROCEDURE ptest2()
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LANGUAGE SQL
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AS $$
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SELECT 5;
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$$;
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CALL ptest2();
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-- nested CALL
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TRUNCATE cp_test;
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CREATE PROCEDURE ptest3(y text)
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LANGUAGE SQL
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AS $$
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CALL ptest1(y);
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CALL ptest1($1);
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$$;
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CALL ptest3('b');
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SELECT * FROM cp_test;
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-- output arguments
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CREATE PROCEDURE ptest4a(INOUT a int, INOUT b int)
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LANGUAGE SQL
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AS $$
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SELECT 1, 2;
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$$;
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CALL ptest4a(NULL, NULL);
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CREATE PROCEDURE ptest4b(INOUT b int, INOUT a int)
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LANGUAGE SQL
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AS $$
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CALL ptest4a(a, b); -- error, not supported
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$$;
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DROP PROCEDURE ptest4a;
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-- named and default parameters
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CREATE OR REPLACE PROCEDURE ptest5(a int, b text, c int default 100)
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LANGUAGE SQL
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AS $$
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INSERT INTO cp_test VALUES(a, b);
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INSERT INTO cp_test VALUES(c, b);
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$$;
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TRUNCATE cp_test;
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CALL ptest5(10, 'Hello', 20);
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CALL ptest5(10, 'Hello');
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CALL ptest5(10, b => 'Hello');
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CALL ptest5(b => 'Hello', a => 10);
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SELECT * FROM cp_test;
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-- polymorphic types
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CREATE PROCEDURE ptest6(a int, b anyelement)
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LANGUAGE SQL
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AS $$
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SELECT NULL::int;
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$$;
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CALL ptest6(1, 2);
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-- collation assignment
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CREATE PROCEDURE ptest7(a text, b text)
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LANGUAGE SQL
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AS $$
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SELECT a = b;
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$$;
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CALL ptest7(least('a', 'b'), 'a');
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-- OUT parameters
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CREATE PROCEDURE ptest9(OUT a int)
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LANGUAGE SQL
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AS $$
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INSERT INTO cp_test VALUES (1, 'a');
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SELECT 1;
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$$;
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CALL ptest9(NULL);
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-- various error cases
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CALL version(); -- error: not a procedure
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CALL sum(1); -- error: not a procedure
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CREATE PROCEDURE ptestx() LANGUAGE SQL WINDOW AS $$ INSERT INTO cp_test VALUES (1, 'a') $$;
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CREATE PROCEDURE ptestx() LANGUAGE SQL STRICT AS $$ INSERT INTO cp_test VALUES (1, 'a') $$;
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ALTER PROCEDURE ptest1(text) STRICT;
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ALTER FUNCTION ptest1(text) VOLATILE; -- error: not a function
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ALTER PROCEDURE cp_testfunc1(int) VOLATILE; -- error: not a procedure
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ALTER PROCEDURE nonexistent() VOLATILE;
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DROP FUNCTION ptest1(text); -- error: not a function
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DROP PROCEDURE cp_testfunc1(int); -- error: not a procedure
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DROP PROCEDURE nonexistent();
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-- privileges
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CREATE USER regress_cp_user1;
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GRANT INSERT ON cp_test TO regress_cp_user1;
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REVOKE EXECUTE ON PROCEDURE ptest1(text) FROM PUBLIC;
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SET ROLE regress_cp_user1;
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CALL ptest1('a'); -- error
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RESET ROLE;
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GRANT EXECUTE ON PROCEDURE ptest1(text) TO regress_cp_user1;
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SET ROLE regress_cp_user1;
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CALL ptest1('a'); -- ok
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RESET ROLE;
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-- ROUTINE syntax
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ALTER ROUTINE cp_testfunc1(int) RENAME TO cp_testfunc1a;
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ALTER ROUTINE cp_testfunc1a RENAME TO cp_testfunc1;
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ALTER ROUTINE ptest1(text) RENAME TO ptest1a;
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ALTER ROUTINE ptest1a RENAME TO ptest1;
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DROP ROUTINE cp_testfunc1(int);
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-- cleanup
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DROP PROCEDURE ptest1;
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DROP PROCEDURE ptest2;
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DROP TABLE cp_test;
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DROP USER regress_cp_user1;
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