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LOAD 'plpgsql';
CREATE EXTENSION IF NOT EXISTS plpgsql_check;
set client_min_messages to notice;
create or replace function fxtest()
returns void as $$
declare
v_sqlstate text;
v_message text;
v_context text;
begin
get stacked diagnostics
v_sqlstate = returned_sqlstate,
v_message = message_text,
v_context = pg_exception_context;
end;
$$ language plpgsql;
select * from plpgsql_check_function('fxtest');
drop function fxtest();
create or replace procedure prtest()
as $$
begin
commit;
end;
$$ language plpgsql;
select * from plpgsql_check_function('prtest'); --ok
create or replace procedure prtest()
as $$
begin
begin
begin
commit;
end;
end;
exception when others then
raise;
end;
$$ language plpgsql;
select * from plpgsql_check_function('prtest'); --error
create or replace procedure prtest()
as $$
begin
raise exception 'error';
exception when others then
begin
begin
commit;
end;
end;
end;
$$ language plpgsql;
select * from plpgsql_check_function('prtest'); --ok
drop procedure prtest();
create function return_constant_refcursor() returns refcursor as $$
declare
rc constant refcursor;
begin
open rc for select a from rc_test;
return rc;
end
$$ language plpgsql;
create table rc_test(a int);
select * from plpgsql_check_function('return_constant_refcursor');
drop table rc_test;
drop function return_constant_refcursor();
create procedure p1(a int, out b int)
as $$
begin
b := a + 10;
end;
$$ language plpgsql;
create function f1()
returns void as $$
declare b constant int;
begin
call p1(10, b);
end;
$$ language plpgsql;
select * from plpgsql_check_function('f1');
drop function f1();
drop procedure p1(int, int);
create or replace function f1()
returns int as $$
declare c constant int default 100;
begin
return c;
end;
$$ language plpgsql;
-- should be ok
select * from plpgsql_check_function('f1');
drop function f1();
-- do not raise false warning
create or replace function test_function()
returns text as $$
declare s text;
begin
get diagnostics s = PG_CONTEXT;
return s;
end;
$$ language plpgsql;
create or replace procedure test_procedure()
as $$
begin
null;
end;
$$ language plpgsql;
-- should be without any warnings
select * from plpgsql_check_function('test_function', performance_warnings=>true);
select * from plpgsql_check_function('test_procedure', performance_warnings=>true);
drop function test_function();
drop procedure test_procedure();
-- detect dependecy in CALL statement
create or replace function fx1_dep(int)
returns int as $$
begin
return $1;
end;
$$ language plpgsql;
create or replace procedure px1_dep(int)
as $$
begin
end;
$$ language plpgsql;
create or replace function test_function()
returns void as $$
begin
call px1_dep(fx1_dep(10));
end;
$$ language plpgsql;
select type, schema, name, params from plpgsql_show_dependency_tb('test_function');
drop function test_function();
drop procedure px1_dep(int);
drop function fx1_dep(int);
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