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50 lines
1.1 KiB
Python
50 lines
1.1 KiB
Python
#coding:utf-8
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"""
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ID: issue-2275
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ISSUE: 2275
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TITLE: Allow index walk (ORDER plan) when there is a composite index {A, B} and the query looks like WHERE A = ? ORDER BY B
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DESCRIPTION:
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JIRA: CORE-1846
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FBTEST: bugs.core_1846
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"""
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import pytest
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from firebird.qa import *
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db = db_factory()
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test_script = """
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recreate table test(
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n1 int
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,n2 int
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);
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commit;
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insert into test select rand()*100, rand()*100 from rdb$types;
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commit;
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create index test_n1_n2_asc on test(n1, n2);
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commit;
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create descending index test_n2_n1_desc on test(n2, n1);
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commit;
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set planonly;
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select * from test where n1 = ? order by n2 asc;
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select * from test where n2 = ? order by n1 desc;
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"""
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act = isql_act('db', test_script, substitutions=[('=.*', '')])
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expected_stdout = """
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PLAN (TEST ORDER TEST_N1_N2_ASC)
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PLAN (TEST ORDER TEST_N2_N1_DESC)
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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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