mirror of
https://github.com/FirebirdSQL/firebird-qa.git
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134 lines
2.9 KiB
Python
134 lines
2.9 KiB
Python
#coding:utf-8
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"""
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ID: issue-6778
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ISSUE: 6778
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TITLE: Inconsistent cursor-driven deletion
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DESCRIPTION:
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https://github.com/FirebirdSQL/firebird/issues/6778
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Confirmed bug on: WI-V4.0.0.2436.
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Checked on: 4.0.0.2448 - works fine.
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No errors must be during execution of this code.
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FBTEST: bugs.gh_6778
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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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fb4_test_script = """
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create table a1 (id int);
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create table a2 (id int);
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create index ia1 on a1 (id);
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create index ia2 on a2 (id);
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commit;
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insert into a1 values (1);
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insert into a2 values (1);
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insert into a2 values (1);
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commit;
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set plan;
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set term ^;
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execute block
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as
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begin
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for select a1.id from a1, a2 where a2.id = a1.id+0 as cursor c do
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delete from a1 where current of c;
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end^
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set term ;^
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-- PLAN JOIN (C A1 NATURAL, C A2 INDEX (IA2))
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-- Statement failed, SQLSTATE = 22000
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-- no current record for fetch operation
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-- -At block line: 5, col: 5
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rollback;
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set term ^;
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execute block
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as
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begin
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for select a1.id from a1, a2 where a2.id+0 = a1.id as cursor c do
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delete from a1 where current of c;
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end^
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set term ;^
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-- PLAN JOIN (C A2 NATURAL, C A1 INDEX (IA1))
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rollback;
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"""
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fb4_expected_stdout = """
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PLAN JOIN (C A1 NATURAL, C A2 INDEX (IA2))
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PLAN JOIN (C A2 NATURAL, C A1 INDEX (IA1))
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"""
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fb5_test_script = """
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create table a1 (id int);
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create table a2 (id int);
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create index ia1 on a1 (id);
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create index ia2 on a2 (id);
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commit;
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insert into a1 values (1);
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insert into a2 values (1);
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insert into a2 values (1);
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commit;
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set plan;
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set term ^;
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execute block
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as
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begin
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for
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select a1.id from a1, a2 where a2.id = a1.id
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PLAN JOIN (A1 NATURAL, A2 INDEX (IA2))
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as cursor c
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do
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delete from a1 where current of c;
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end
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^
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rollback
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^
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execute block
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as
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begin
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for
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select a1.id from a1, a2 where a2.id = a1.id
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PLAN JOIN (A2 NATURAL, A1 INDEX (IA1))
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as cursor c
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do
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delete from a1 where current of c;
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end
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^
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set term ;^
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"""
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fb5_expected_stdout = """
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-- line 4, column 9
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PLAN JOIN (C A1 NATURAL, C A2 INDEX (IA2))
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-- line 4, column 9
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PLAN JOIN (C A2 NATURAL, C A1 INDEX (IA1))
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"""
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act = python_act('db', substitutions=[('-- line(:)?\\s+\\d+,\\s+col(umn)?(:)?\\s+\\d+', '-- line, column')])
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@pytest.mark.version('>=4.0')
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def test_1(act: Action):
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test_script = fb5_test_script if act.is_version('>=5') else fb4_test_script
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act.expected_stdout = fb5_expected_stdout if act.is_version('>=5') else fb4_expected_stdout
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act.isql(switches=['-q'], input=test_script)
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assert act.clean_stdout == act.clean_expected_stdout
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