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firebird-qa/tests/bugs/core_2635_test.py

77 lines
1.7 KiB
Python

#coding:utf-8
"""
ID: issue-3043
ISSUE: 3043
TITLE: Unique index with a lot of NULL keys can be corrupted at level 1
DESCRIPTION:
JIRA: CORE-2635
FBTEST: bugs.core_2635
"""
import pytest
from firebird.qa import *
init_script = """set term ^;
recreate table t (id int, sss varchar(255)) ^
create unique descending index t_id_desc on t (id) ^
create unique ascending index t_id_asc on t (id) ^
create unique descending index t_id_sss_desc on t (id, sss) ^
create unique ascending index t_id_sss_asc on t (id, sss) ^
commit ^
execute block as
declare n int = 0;
begin
while (n < 10000) do
begin
insert into t values (:n, :n);
n = n + 1;
end
n = 0;
while (n < 10000) do
begin
insert into t values (null, null);
n = n + 1;
end
end ^
commit ^
execute block as
declare n int = 5000;
begin
while (n > 0) do
begin
n = n - 1;
update t set id = null, sss = null where id = :n;
end
end ^
commit ^
"""
db = db_factory(init=init_script)
act = python_act('db', substitutions=[('[0-9][0-9]:[0-9][0-9]:[0-9][0-9].[0-9][0-9]', ''),
('Relation [0-9]{3,4}', 'Relation')])
expected_stdout = """
Validation started
Relation (T)
process pointer page 0 of 1
Index 1 (T_ID_DESC)
Index 2 (T_ID_ASC)
Index 3 (T_ID_SSS_DESC)
Index 4 (T_ID_SSS_ASC)
Relation (T) is ok
Validation finished
"""
@pytest.mark.version('>=2.5')
def test_1(act: Action):
act.expected_stdout = expected_stdout
with act.connect_server() as srv:
srv.database.validate(database=act.db.db_path)
act.stdout = '\n'.join(srv.readlines())
assert act.clean_stdout == act.clean_expected_stdout