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35 lines
764 B
Python
35 lines
764 B
Python
#coding:utf-8
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"""
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ID: issue-4612
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ISSUE: 4612
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TITLE: Regression: NOT-null field from derived table became NULL when is referred outside DT
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DESCRIPTION:
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JIRA: CORE-4289
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FBTEST: bugs.core_4289
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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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set list on;
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select q.n, case when q.n=0 then 'zero' when q.n<>0 then 'NON-zero' else 'Hm!..' end what_is_n
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from (select 0 N from RDB$DATABASE) q;
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"""
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act = isql_act('db', test_script)
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expected_stdout = """
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N 0
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WHAT_IS_N zero
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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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