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39 lines
679 B
Python
39 lines
679 B
Python
#coding:utf-8
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"""
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ID: issue-1293
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ISSUE: 1293
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TITLE: SUBSTRING with NULL offset or length don't return NULL
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DESCRIPTION:
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JIRA: CORE-896
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FBTEST: bugs.core_0896
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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 = """select substring('abc' from null) from rdb$database;
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select substring('abc' from 2 for null) from rdb$database;
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"""
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act = isql_act('db', test_script)
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expected_stdout = """SUBSTRING
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=========
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<null>
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SUBSTRING
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=========
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<null>
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"""
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@pytest.mark.version('>=3')
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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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