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81 lines
2.0 KiB
Python
81 lines
2.0 KiB
Python
#coding:utf-8
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#
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# id: bugs.core_5667
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# title: Regression in 3.0+: message CTE 'X' has cyclic dependencies appear when 'X' is alias for resultset and there is previous CTE part with the same name 'X' in the query
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# decription:
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# Checked on:
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# 25SC, build 2.5.8.27088: OK, 0.344s.
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# 30SS, build 3.0.3.32856: OK, 0.968s.
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# 40SS, build 4.0.0.834: OK, 1.875s.
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#
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# tracker_id: CORE-5667
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# min_versions: ['2.5.8']
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# versions: 2.5.8
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# qmid: None
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import pytest
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from firebird.qa import db_factory, isql_act, Action
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# version: 2.5.8
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# resources: None
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substitutions_1 = []
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init_script_1 = """"""
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db_1 = db_factory(sql_dialect=3, init=init_script_1)
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test_script_1 = """
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set list on;
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with
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x as(
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select 1 i from rdb$database
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)
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,y as(
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select i from x
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)
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select * from y as x ------------------ NOTE: "as X", i.e. alias for final CTE part ( "y" ) matches to 1st CTE ( "x" )
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;
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-- Additional sample:
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with recursive
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a as(
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select 0 a from rdb$database
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union all
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select a+1 from a where a.a < 1
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)
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,b as(
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select a b from a b
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)
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,c as(
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select b c from b c
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)
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select c a from c a
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;
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-- Two samples from CORE-5655:
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with cte as (select sign(t.rdb$relation_id) ct from rdb$database t) select ct.ct from cte ct;
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select e.ct from (select d.ct from (select sign(t.rdb$relation_id) ct from rdb$database t) d) e;
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"""
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act_1 = isql_act('db_1', test_script_1, substitutions=substitutions_1)
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expected_stdout_1 = """
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I 1
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A 0
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A 1
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CT 1
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CT 1
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"""
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@pytest.mark.version('>=2.5.8')
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def test_1(act_1: Action):
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act_1.expected_stdout = expected_stdout_1
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act_1.execute()
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assert act_1.clean_expected_stdout == act_1.clean_stdout
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