#coding:utf-8

"""
ID:          issue-4531
ISSUE:       4531
TITLE:       Add RESTART [WITH] clause for alter identity columns
DESCRIPTION:
JIRA:        CORE-4206
FBTEST:      bugs.core_4206
"""

import pytest
from firebird.qa import *

db = db_factory()

test_script = """
    recreate table test(
        id int generated by default as identity
       ,x int
    );
    commit;
    insert into test(x) values(1);
    insert into test(x) values(1);
    insert into test(x) values(1);
    commit;

    alter table test alter id restart with 40;
    commit;

    insert into test(x) values(2);
    insert into test(x) values(2);
    insert into test(x) values(2);
    commit;

    set list on;
    select x,max(id)-min(id) as id_diff
    from test
    group by x
    order by x;
"""

act = isql_act('db', test_script, substitutions=[('=.*', ''), ('[\t ]+', ' ')])

expected_stdout = """
     X                               1
     ID_DIFF                         2

     X                               2
     ID_DIFF                         2
"""

@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