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firebird-qa/tests/bugs/core_2300_test.py

55 lines
973 B
Python

#coding:utf-8
"""
ID: issue-2724
ISSUE: 2724
TITLE: Unexpected error "arithmetic exception, numeric overflow, or string truncation" while evaluating SUBSTRING the second time
DESCRIPTION:
JIRA: CORE-2300
FBTEST: bugs.core_2300
"""
import pytest
from firebird.qa import *
init_script = """set term ^ ;
create procedure p
returns ( res varchar(10) )
as begin
res = null;
suspend;
res = '0123456789';
suspend;
end ^
set term ; ^
commit;"""
db = db_factory(init=init_script)
test_script = """select substring(res from 1 for 5) from p order by 1; -- success
select substring(res from 1 for 5) from p order by 1; -- error
"""
act = isql_act('db', test_script)
expected_stdout = """
SUBSTRING
=========
<null>
01234
SUBSTRING
=========
<null>
01234
"""
@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