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80 lines
1.3 KiB
Python
80 lines
1.3 KiB
Python
#coding:utf-8
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"""
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ID: issue-1639
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ISSUE: 1639
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TITLE: Wrong SELECT query results using index to evaluate >= condition
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DESCRIPTION:
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JIRA: CORE-1215
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FBTEST: bugs.core_1215
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"""
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import pytest
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from firebird.qa import *
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init_script = """CREATE TABLE T (ID INT);
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COMMIT;
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set term ^;
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EXECUTE BLOCK AS
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DECLARE I INT = 0;
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BEGIN
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WHILE (I < 50000) DO
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BEGIN
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INSERT INTO T VALUES (1);
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I = I + 1;
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END
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END^
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set term ;^
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commit;
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CREATE INDEX IDX_T ON T (ID);
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COMMIT;
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"""
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db = db_factory(init=init_script)
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test_script = """set plan on;
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SELECT COUNT(*) FROM T ;
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SELECT COUNT(*) FROM T WHERE ID >= 1 ;
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SELECT COUNT(*) FROM T WHERE ID = 1 ;
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SELECT COUNT(*) FROM T WHERE ID <= 1 ;
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"""
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act = isql_act('db', test_script)
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expected_stdout = """PLAN (T NATURAL)
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COUNT
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=====================
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50000
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PLAN (T INDEX (IDX_T))
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COUNT
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=====================
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50000
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PLAN (T INDEX (IDX_T))
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COUNT
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=====================
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50000
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PLAN (T INDEX (IDX_T))
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COUNT
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=====================
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50000
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"""
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@pytest.mark.version('>=3.0')
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def test_1(act: Action):
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act.expected_stdout = expected_stdout
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act.execute()
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assert act.clean_stdout == act.clean_expected_stdout
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