#coding:utf-8

"""
ID:          issue-3303
ISSUE:       3303
TITLE:       Incorrect execution of volatile SQL statements inside EXECUTE STATEMENT
DESCRIPTION:
JIRA:        CORE-2920
FBTEST:      bugs.core_2920
"""

import pytest
from firebird.qa import *

init_script = """create table bugtest (id int);
insert into bugtest (id) values (123);
set term !!;
create procedure p_bugtest (in_id int)
  returns (cnt int)
as
  declare predicate varchar(1000);
begin
  if (:in_id is null) then
    predicate = ' ? is null';
  else
    predicate = ' id = ?';

  execute statement ('select count(*) from bugtest where' || predicate) (:in_id)
  into :cnt;
end!!
set term !!;
commit;"""

db = db_factory(charset='UTF8', init=init_script)

test_script = """execute procedure p_bugtest (123);
-- cnt = 1
execute procedure p_bugtest (null);
-- cnt = 1
execute procedure p_bugtest (123);
-- cnt = 1
"""

act = isql_act('db', test_script)

expected_stdout = """
         CNT
============
           1


         CNT
============
           1


         CNT
============
           1

"""

@pytest.mark.version('>=3.0')
def test_1(act: Action):
    act.expected_stdout = expected_stdout
    act.execute()
    assert act.clean_stdout == act.clean_expected_stdout