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52 lines
1.4 KiB
Python
52 lines
1.4 KiB
Python
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#coding:utf-8
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#
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# id: bugs.gh_7064
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# title: Linear regression functions aren't implemented correctly
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# decription:
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# https://github.com/FirebirdSQL/firebird/issues/7064
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#
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# Confirmed bug on 5.0.0.336 (Windows only), 4.0.1.2672 (both Windows and Linux).
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# Results were: 5.538881418962480e-316; 8.320318437577263e-317; 6.902055141081681e-310
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# Checked on: 5.0.0.338, 4.0.1.2682 - all fine.
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#
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# tracker_id:
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# min_versions: ['4.0.1']
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# versions: 4.0.1
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# qmid: None
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import pytest
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from firebird.qa import db_factory, isql_act, Action
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# version: 4.0.1
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# resources: None
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substitutions_1 = []
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init_script_1 = """"""
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db_1 = db_factory(sql_dialect=3, init=init_script_1)
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test_script_1 = """
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set heading off;
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select regr_avgx(a, b)
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from (
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select 1, 1 from RDB$DATABASE union all
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select 2, 1 from RDB$DATABASE union all
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select 3, 2 from RDB$DATABASE union all
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select 4, 2 from RDB$DATABASE
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) t (a, b);
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"""
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act_1 = isql_act('db_1', test_script_1, substitutions=substitutions_1)
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expected_stdout_1 = """
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1.500000000000000
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"""
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@pytest.mark.version('>=4.0.1')
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def test_1(act_1: Action):
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act_1.expected_stdout = expected_stdout_1
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act_1.execute()
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assert act_1.clean_stdout == act_1.clean_expected_stdout
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