mirror of
https://github.com/FirebirdSQL/firebird-qa.git
synced 2025-01-22 21:43:06 +01:00
68 lines
1.8 KiB
Python
68 lines
1.8 KiB
Python
#coding:utf-8
|
|
#
|
|
# id: bugs.core_4125
|
|
# title: Using COLLATE UNICODE_CI_AI in WHERE clause (not indexed) is extremely slow
|
|
# decription:
|
|
# tracker_id: CORE-4125
|
|
# min_versions: ['2.5.3']
|
|
# versions: 2.5.3
|
|
# qmid: None
|
|
|
|
import pytest
|
|
from firebird.qa import db_factory, isql_act, Action
|
|
|
|
# version: 2.5.3
|
|
# resources: None
|
|
|
|
substitutions_1 = []
|
|
|
|
init_script_1 = """
|
|
create or alter view test as
|
|
with recursive
|
|
r as (select 0 i from rdb$database union all select r.i+1 from r where r.i<98)
|
|
select cast(r1.i*100 + r0.i as varchar(10)) as fx
|
|
from r r1, r r0;
|
|
commit;
|
|
"""
|
|
|
|
db_1 = db_factory(page_size=4096, charset='UTF8', sql_dialect=3, init=init_script_1)
|
|
|
|
test_script_1 = """
|
|
-- Checked on 2.5.1: ratio = ~105, on 2.5.2: ~132, since 2.5.3: ~1.
|
|
set list on;
|
|
set term ^;
|
|
execute block returns(result varchar(50) ) as
|
|
declare t0 timestamp;
|
|
declare t1 timestamp;
|
|
declare t2 timestamp;
|
|
declare n int;
|
|
declare r numeric(18,3);
|
|
begin
|
|
t0='now';
|
|
select count(*) from test where fx collate unicode_ci like '%8%' into n;
|
|
t1='now';
|
|
select count(*) from test where fx collate unicode_ci_ai like '%8%' into n;
|
|
t2='now';
|
|
n = datediff(millisecond from t1 to t2);
|
|
r = 1.000 * n / nullif(datediff(millisecond from t0 to t1), 0);
|
|
if (r is null and n < 100 or r <= 5) then result = 'TIME RATIO IS OK.';
|
|
else result = 'BAD RATIO: '||coalesce(r,' > 100 vs 0.');
|
|
|
|
suspend;
|
|
end
|
|
^
|
|
"""
|
|
|
|
act_1 = isql_act('db_1', test_script_1, substitutions=substitutions_1)
|
|
|
|
expected_stdout_1 = """
|
|
RESULT TIME RATIO IS OK.
|
|
"""
|
|
|
|
@pytest.mark.version('>=2.5.3')
|
|
def test_1(act_1: Action):
|
|
act_1.expected_stdout = expected_stdout_1
|
|
act_1.execute()
|
|
assert act_1.clean_stdout == act_1.clean_expected_stdout
|
|
|