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Added/Updated tests\bugs\gh_8168_test.py: Checked on 6.0.0.387, 5.0.1.1428. Thanks to Vlad for suggestion about test implementation.
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pavel-zotov
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tests/bugs/gh_8168_test.py
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147
tests/bugs/gh_8168_test.py
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#coding:utf-8
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"""
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ID: issue-8168
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ISSUE: https://github.com/FirebirdSQL/firebird/issues/8168
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TITLE: MAKE_DBKEY bug after backup/restore
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DESCRIPTION:
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Test creates two tables (tab_1, tab_2) and stores their relation_id in appropriate context variables.
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Then we drop these tables and create them again but in 'reverse' order: tab_2, tab_1.
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At this point we have to check that values of relation_id must differ for both tables and raise error
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(see 'exc_rel_id_not_changed') if this is not so. Test logic must be changed if this error raises.
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Then we add one row into each table and create SP (sp_chk) that uses make_dbkey() for returning these
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rows. Key note: this SP *must* find appropriate record for each table.
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Otherwise (if record not found) we raise exception exc_invalid_make_dbkey.
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Finally, we do backup / restore and repeat call of sp_chk. It must return same ID values as before b/r.
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NOTES:
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[16.07.2024] pzotov
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Confirmed bug on 6.0.0.386, 5.0.1.1425.
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Checked on 6.0.0.387, 5.0.1.1428.
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Thanks to Vlad for suggestion about test implementation.
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"""
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import pytest
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from firebird.qa import *
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from io import BytesIO
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from firebird.driver import SrvRestoreFlag
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import locale
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db = db_factory()
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act = python_act('db', substitutions=[('[ \t]+', ' ')])
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@pytest.mark.version('>=5.0.1')
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def test_1(act: Action, capsys):
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init_sql = f"""
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set bail on;
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set list on;
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create exception exc_rel_id_not_changed 'RELATION_ID not changed table(s): @1. One need to change test logic!';
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create exception exc_invalid_make_dbkey 'Invalid make_dbkey() detected for table(s): @1';
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create view v_get_rel_id as
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select
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max( iif( upper(rdb$relation_name) = 'TAB_1', rdb$relation_id, null ) ) as t1_rel_id
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,max( iif( upper(rdb$relation_name) = 'TAB_2', rdb$relation_id, null ) ) as t2_rel_id
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from rdb$relations
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where rdb$relation_name starting with upper('tab_')
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;
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create table tab_1(id int);
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create table tab_2(id int);
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commit;
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set term ^;
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execute block as
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begin
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for
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select t1_rel_id, t2_rel_id
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from v_get_rel_id
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as cursor c
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do begin
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rdb$set_context('USER_SESSION', 'TAB1_REL_ID', c.t1_rel_id);
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rdb$set_context('USER_SESSION', 'TAB2_REL_ID', c.t2_rel_id);
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end
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end
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^
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set term ;^
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drop table tab_1;
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drop table tab_2;
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recreate table tab_2(id int);
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recreate table tab_1(id int);
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commit;
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set term ^;
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execute block as
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declare v_list varchar(100) = '';
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begin
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for
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select t1_rel_id, t2_rel_id
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from v_get_rel_id
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as cursor c
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do begin
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if (c.t1_rel_id = rdb$get_context('USER_SESSION', 'TAB1_REL_ID')) then
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v_list = v_list || 'TAB_1; ';
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if (c.t2_rel_id = rdb$get_context('USER_SESSION', 'TAB2_REL_ID')) then
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v_list = v_list || 'TAB_2';
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if (v_list > '') then
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exception exc_rel_id_not_changed using(v_list);
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end
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end
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^
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set term ;^
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-----------------------------------------
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insert into tab_1(id) values(1);
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insert into tab_2(id) values(2);
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commit;
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set term ^;
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create or alter procedure sp_chk returns (id1 int, id2 int) as
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declare v_list varchar(100) = '';
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begin
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select id from tab_1 where rdb$db_key = make_dbkey('TAB_1', 0) into id1;
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if (row_count = 0) then v_list = v_list || 'TAB_1; ';
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select id from tab_2 where rdb$db_key = make_dbkey('TAB_2', 0) into id2;
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if (row_count = 0) then v_list = v_list || 'TAB_2';
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if (v_list > '') then
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exception exc_invalid_make_dbkey using(v_list);
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suspend;
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end
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^
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set term ;^
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commit;
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select * from sp_chk;
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"""
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expected_stdout = """
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ID1 1
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ID2 2
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"""
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act.expected_stdout = expected_stdout
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act.isql(input = init_sql, combine_output = True)
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assert act.clean_stdout == act.clean_expected_stdout
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act.reset()
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#---------------------------------------------------
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backup = BytesIO()
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with act.connect_server() as srv:
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srv.database.local_backup(database=act.db.db_path, backup_stream=backup)
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backup.seek(0)
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srv.database.local_restore(backup_stream=backup, database=act.db.db_path, flags = SrvRestoreFlag.REPLACE)
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act.expected_stdout = """
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ID1 1
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ID2 2
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"""
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act.isql(input = "set list on; select * from sp_chk;", combine_output = True)
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assert act.clean_stdout == act.clean_expected_stdout
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act.reset()
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