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firebird-qa/tests/bugs/core_1215_test.py

84 lines
1.5 KiB
Python

#coding:utf-8
#
# id: bugs.core_1215
# title: Wrong SELECT query results using index to evaluate >= condition
# decription:
# tracker_id: CORE-1215
# min_versions: []
# versions: 3.0
# qmid: bugs.core_1215
import pytest
from firebird.qa import db_factory, isql_act, Action
# version: 3.0
# resources: None
substitutions_1 = []
init_script_1 = """CREATE TABLE T (ID INT);
COMMIT;
set term ^;
EXECUTE BLOCK AS
DECLARE I INT = 0;
BEGIN
WHILE (I < 50000) DO
BEGIN
INSERT INTO T VALUES (1);
I = I + 1;
END
END^
set term ;^
commit;
CREATE INDEX IDX_T ON T (ID);
COMMIT;
"""
db_1 = db_factory(sql_dialect=3, init=init_script_1)
test_script_1 = """set plan on;
SELECT COUNT(*) FROM T ;
SELECT COUNT(*) FROM T WHERE ID >= 1 ;
SELECT COUNT(*) FROM T WHERE ID = 1 ;
SELECT COUNT(*) FROM T WHERE ID <= 1 ;
"""
act_1 = isql_act('db_1', test_script_1, substitutions=substitutions_1)
expected_stdout_1 = """PLAN (T NATURAL)
COUNT
=====================
50000
PLAN (T INDEX (IDX_T))
COUNT
=====================
50000
PLAN (T INDEX (IDX_T))
COUNT
=====================
50000
PLAN (T INDEX (IDX_T))
COUNT
=====================
50000
"""
@pytest.mark.version('>=3.0')
def test_1(act_1: Action):
act_1.expected_stdout = expected_stdout_1
act_1.execute()
assert act_1.clean_expected_stdout == act_1.clean_stdout