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123 lines
4.3 KiB
Python
123 lines
4.3 KiB
Python
#coding:utf-8
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#
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# id: bugs.core_3357
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# title: Generators are set to 0 after restore
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# decription:
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# NOTE: FB 4.x has incompatible behaviour with all previous versions since build 4.0.0.2131 (06-aug-2020):
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# statement 'alter sequence <seq_name> restart with 0' changes rdb$generators.rdb$initial_value to -1 thus
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# next call of gen_id(<seq_name>,1) will return 0 (ZERO!) rather than 1.
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# See also CORE-6084 and its fix: https://github.com/FirebirdSQL/firebird/commit/23dc0c6297825b2e9006f4d5a2c488702091033d
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# This is considered as *expected* and is noted in doc/README.incompatibilities.3to4.txt
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#
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# Because of this it was decided to create separate section for check FB 4.x results.
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# Checked on 4.0.0.2164
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#
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# tracker_id: CORE-3357
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# min_versions: ['2.5.0']
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# versions: 3.0, 4.0
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# qmid: None
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import pytest
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from io import BytesIO
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from firebird.qa import db_factory, python_act, Action
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from firebird.driver import SrvRestoreFlag
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# version: 3.0
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# resources: None
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substitutions_1 = []
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init_script_1 = """
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recreate sequence g1 start with 9223372036854775807 increment by -2147483647;
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recreate sequence g2 start with -9223372036854775808 increment by 2147483647;
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commit;
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"""
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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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#---
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# import os
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# db_conn.close()
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# fbk = os.path.join(context['temp_directory'],'tmp.core_3942.fbk')
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# runProgram('gbak',['-b','-user',user_name,'-password',user_password,dsn,fbk])
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# runProgram('gbak',['-rep','-user',user_name,'-password',user_password,fbk,dsn])
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# sql='''show sequ g1;
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# show sequ g2;
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# '''
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# runProgram('isql',[dsn,'-user',user_name,'-pas',user_password],sql)
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#
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# if os.path.isfile(fbk):
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# os.remove(fbk)
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#---
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act_1 = python_act('db_1', substitutions=substitutions_1)
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expected_stdout_1 = """
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Generator G1, current value: 9223372036854775807, initial value: 9223372036854775807, increment: -2147483647
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Generator G2, current value: -9223372036854775808, initial value: -9223372036854775808, increment: 2147483647
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"""
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@pytest.mark.version('>=3.0,<4')
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def test_1(act_1: Action):
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with act_1.connect_server() as srv:
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backup = BytesIO()
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srv.database.local_backup(database=str(act_1.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=str(act_1.db.db_path),
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flags=SrvRestoreFlag.REPLACE)
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act_1.expected_stdout = expected_stdout_1
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act_1.isql(switches=[], input="show sequ g1; show sequ g2;")
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assert act_1.clean_stdout == act_1.clean_expected_stdout
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# version: 4.0
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# resources: None
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substitutions_2 = []
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init_script_2 = """
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recreate sequence g1 start with 9223372036854775807 increment by -2147483647;
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recreate sequence g2 start with -9223372036854775808 increment by 2147483647;
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commit;
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"""
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db_2 = db_factory(sql_dialect=3, init=init_script_2)
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# test_script_2
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#---
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# import os
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# db_conn.close()
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# fbk = os.path.join(context['temp_directory'],'tmp.core_3942.fbk')
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# runProgram('gbak',['-b','-user',user_name,'-password',user_password,dsn,fbk])
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# runProgram('gbak',['-rep','-user',user_name,'-password',user_password,fbk,dsn])
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# sql='''show sequ g1;
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# show sequ g2;
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# '''
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# runProgram('isql',[dsn,'-user',user_name,'-pas',user_password],sql)
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#
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# if os.path.isfile(fbk):
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# os.remove(fbk)
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#---
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act_2 = python_act('db_2', substitutions=substitutions_2)
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expected_stdout_2 = """
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Generator G1, current value: -9223372034707292162, initial value: 9223372036854775807, increment: -2147483647
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Generator G2, current value: 9223372034707292161, initial value: -9223372036854775808, increment: 2147483647
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"""
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@pytest.mark.version('>=4.0')
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def test_2(act_2: Action):
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with act_2.connect_server() as srv:
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backup = BytesIO()
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srv.database.local_backup(database=str(act_2.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=str(act_2.db.db_path),
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flags=SrvRestoreFlag.REPLACE)
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act_2.expected_stdout = expected_stdout_2
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act_2.isql(switches=[], input="show sequ g1; show sequ g2;")
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assert act_2.clean_stdout == act_2.clean_expected_stdout
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