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58 lines
1.1 KiB
Python
58 lines
1.1 KiB
Python
#coding:utf-8
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"""
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ID: issue-5002
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ISSUE: 5002
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TITLE: "Column unknown" error while preparing a recursive query if the recursive part
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contains ALIASED datasource in the join with anchor table
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DESCRIPTION:
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JIRA: CORE-4694
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FBTEST: bugs.core_4694
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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 xcall_stack (
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xcall_id int
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,xcaller_id int
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);
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commit;
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set planonly;
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with recursive
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r as (
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select c.xcall_id
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from xcall_stack c
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where c.xcaller_id is null
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UNION ALL
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select
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c.xcall_id
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from xcall_stack c
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join r
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AS h -- <<<<<<<<<<<<<<<<<<<<<< ::: NB ::: `r` is aliased
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on c.xcaller_id = h.xcall_id
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)
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select r.xcall_id
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from r;
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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 (R C NATURAL, R C NATURAL)
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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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