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47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
#coding:utf-8
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"""
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ID: issue-1925
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ISSUE: https://github.com/FirebirdSQL/firebird/issues/1925
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TITLE: Bad XSQLVAR [NULL flags] for (2*COALESCE(NULL,NULL))
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DESCRIPTION:
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JIRA: CORE-1510
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FBTEST: bugs.core_1510
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NOTES:
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[10.12.2023] pzotov
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Added 'SQLSTATE' in substitutions: runtime error must not be filtered out by '?!(...)' pattern
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("negative lookahead assertion", see https://docs.python.org/3/library/re.html#regular-expression-syntax).
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Added 'combine_output = True' in order to see SQLSTATE if any error occurs.
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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 bail on;
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set sqlda_display;
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select 2*coalesce(null,null) from rdb$database;
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select 2*iif(null is null, null, null) from rdb$database;
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-- NB! This must result NULL rather than zero division:
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select null/0 from rdb$database;
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"""
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substitutions = [ ('^((?!(SQLSTATE|sqltype)).)*$', ''), ('[ ]+', ' '),
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('[ \t]+', ' '), ('charset:.*', '')
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]
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act = isql_act('db', test_script, substitutions = substitutions )
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expected_stdout = """
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01: sqltype: 580 INT64 Nullable scale: 0 subtype: 0 len: 8
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01: sqltype: 580 INT64 Nullable scale: 0 subtype: 0 len: 8
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01: sqltype: 580 INT64 Nullable scale: 0 subtype: 0 len: 8
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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(combine_output = True)
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assert act.clean_stdout == act.clean_expected_stdout
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