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Added/Updated functional\arno\optimizer\test_opt_mixed_joins_06.py: Expected stdout depends now on major FB version because of changes since 5.0.0.455: data source with greatest cardinality will be specified at left-most position in the plan when HASH JOIN is choosen. See details in NOTES to this test.

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zotov 2022-04-08 10:00:29 +03:00
parent 410c403fa3
commit 452005b356
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tests/functional/arno/optimizer/test_opt_mixed_joins_06.py
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@ -6,6 +6,12 @@ TITLE: Mixed JOINS
DESCRIPTION:
Tables without indexes should be merged (when inner join) and those who can use a index, should use it.
FBTEST: functional.arno.optimizer.opt_mixed_joins_06
NOTES:
[08.04.2022] pzotov
FB 5.0.0.455 and later: data source with greatest cardinality will be specified at left-most position
in the plan when HASH JOIN is choosen. Because of this, two cases of expected stdout must be taken
in account, see variables 'fb3x_checked_stdout' and 'fb5x_checked_stdout'.
See letter from dimitr, 05.04.2022 17:38.
"""
import pytest
@ -95,28 +101,32 @@ COMMIT;
db = db_factory(init=init_script)
test_script = """SET PLAN ON;
SELECT
Count(*)
FROM
Table_500 t500
LEFT JOIN Table_1 t1 ON (t1.ID = t500.ID)
JOIN Table_1000 t1000 ON (t1000.ID = t500.ID)
JOIN Table_10 t10 ON (t10.ID = t1000.ID)
JOIN Table_50 t50 ON (t50.ID = t10.ID)
JOIN Table_100 t100 ON (t100.ID = t500.ID);"""
test_script = """
set planonly;
select count(*)
from table_500 t500
left join table_1 t1 on (t1.id = t500.id)
join table_1000 t1000 on (t1000.id = t500.id)
join table_10 t10 on (t10.id = t1000.id)
join table_50 t50 on (t50.id = t10.id)
join table_100 t100 on (t100.id = t500.id);
"""
act = isql_act('db', test_script)
expected_stdout = """PLAN HASH (T1000 NATURAL, T100 NATURAL, T10 NATURAL, JOIN (JOIN (T500 NATURAL, T1 INDEX (PK_TABLE_1)), T50 INDEX (PK_TABLE_50)))
fb3x_checked_stdout = """
PLAN HASH (T1000 NATURAL, T100 NATURAL, T10 NATURAL, JOIN (JOIN (T500 NATURAL, T1 INDEX (PK_TABLE_1)), T50 INDEX (PK_TABLE_50)))
"""
COUNT
=====================
10
fb5x_checked_stdout = """
PLAN HASH (T1000 NATURAL, T10 NATURAL, T100 NATURAL, JOIN (JOIN (T500 NATURAL, T1 INDEX (PK_TABLE_1)), T50 INDEX (PK_TABLE_50)))
"""
@pytest.mark.version('>=3.0')
def test_1(act: Action):
act.expected_stdout = expected_stdout
with act.connect_server() as srv:
engine_major = int(srv.info.engine_version)
act.expected_stdout = fb3x_checked_stdout if engine_major < 5 else fb5x_checked_stdout
act.execute()
assert act.clean_stdout == act.clean_expected_stdout