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43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
#coding:utf-8
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"""
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ID: issue-3704
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ISSUE: 3704
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TITLE: Regression: Code changes disabled support for expression indexes with COALESCE, CASE and DECODE
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DESCRIPTION:
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JIRA: CORE-3338
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FBTEST: bugs.core_3338
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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 t(n int); commit;
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insert into t select rand()*100 from rdb$types; commit;
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create index t_n2_coalesce on t computed by ( coalesce(n*2,0) ); commit;
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create index t_n2_decode on t computed by ( decode( mod(n, 3), 0, coalesce(n,0), 1, iif(mod(n,7)=0, 2, 3) ) ); commit;
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set planonly;
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select * from t where coalesce(n*2,0) = 0;
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select * from t where decode( mod(n, 3), 0, coalesce(n,0), 1, iif(mod(n,7)=0, 2, 3) ) = 1;
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"""
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act = isql_act('db', test_script)
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expected_stdout = """
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PLAN (T INDEX (T_N2_COALESCE))
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PLAN (T INDEX (T_N2_DECODE))
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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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