mirror of
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141 lines
3.7 KiB
Python
141 lines
3.7 KiB
Python
#coding:utf-8
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#
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# id: bugs.core_4684
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# title: Error while preparing a complex query ("Too many Contexts of Relation/Procedure/Views. Maximum allowed is 256")
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# decription:
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# tracker_id: CORE-4684
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# min_versions: ['2.5']
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# versions: 2.5
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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
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# resources: None
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substitutions_1 = []
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init_script_1 = """
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recreate table tdetl(id int primary key, pid int);
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recreate table tmain(id int primary key, x int, constraint tmain_x_gtz check(x>0));
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commit;
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alter table tdetl add constraint tdetl_fk foreign key(pid) references tmain(id) on delete cascade;
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commit;
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set term ^;
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create or alter trigger tdetl_bi for tdetl active before insert as begin end ^
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create or alter trigger tdetl_ai for tdetl active after insert as begin end ^
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create or alter trigger tmain_bi for tmain inactive before insert as begin end ^
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create or alter trigger tmain_ai for tmain active after insert as begin end ^
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set term ;^
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commit;
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"""
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db_1 = db_factory(page_size=4096, sql_dialect=3, init=init_script_1)
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test_script_1 = """
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set heading off;
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with recursive
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c as (
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select
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rc.rdb$relation_name child_tab
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,rc.rdb$constraint_name child_fk
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,ru.rdb$const_name_uq parent_uk
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,rp.rdb$relation_name parent_tab
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from rdb$relation_constraints rc
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join rdb$ref_constraints ru on
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rc.rdb$constraint_name = ru.rdb$constraint_name
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and rc.rdb$constraint_type = 'FOREIGN KEY'
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join rdb$relation_constraints rp
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on ru.rdb$const_name_uq = rp.rdb$constraint_name
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where rc.rdb$relation_name <> rp.rdb$relation_name
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)
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,d as(
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select
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0 i
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,child_tab
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,child_fk
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,parent_uk
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,parent_tab
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from c c0
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where not exists( select * from c cx where cx.parent_tab= c0.child_tab )
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union all
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select
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d.i+1
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,c.child_tab
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,c.child_fk
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,c.parent_uk
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,c.parent_tab
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from d
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join c on d.parent_tab = c.child_tab
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)
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,e as(
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select
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i
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,child_tab
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,child_fk
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,parent_uk
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,parent_tab
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,(select max(i) from d) as mi
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from d
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)
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,f as(
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select distinct
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0 i
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,child_tab
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from e where i=0
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UNION DISTINCT
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select
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1
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,child_tab
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from (select child_tab from e where i>0 order by i)
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UNION DISTINCT
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select
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2
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,parent_tab
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from e
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where i=mi
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)
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,t as(
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select
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rt.rdb$trigger_name trg_name -- f.child_tab, rt.rdb$trigger_name, rt.rdb$trigger_type
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from f
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join rdb$triggers rt on f.child_tab = rt.rdb$relation_name
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where rt.rdb$system_flag=0 and rt.rdb$trigger_inactive=0
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)
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select 'alter trigger '||trim(trg_name)||' inactive' sql_expr
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from t
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union all
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select 'delete from '||trim(child_tab)
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from f
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union all
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select 'alter trigger '||trim(trg_name)||' active'
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from t;
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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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alter trigger TDETL_BI inactive
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alter trigger TDETL_AI inactive
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alter trigger TMAIN_AI inactive
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delete from TDETL
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delete from TMAIN
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alter trigger TDETL_BI active
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alter trigger TDETL_AI active
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alter trigger TMAIN_AI active
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"""
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@pytest.mark.version('>=2.5')
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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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