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78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
#coding:utf-8
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"""
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ID: gtcs.transactions-autocommit-01
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TITLE: AUTO COMMIT must preserve changes that were made by all DML even if ROLLBACK is issued
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DESCRIPTION:
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Original test see in:
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https://github.com/FirebirdSQL/fbtcs/blob/master/GTCS/tests/AUTO_COMMIT.1.ESQL.script
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Test creates three tables (test_1, test_2 and test_3) and AI-trigger for one of them (test_1).
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This trigger does INSERTs into test_2 and test_3.
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Then we add record into test_1 thus its trigger add records into test_2 and test_3.
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After this we make transaction ROLLED BACK and check how many records are preserved.
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Expected result: each of three tables must have one record in itself,
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i.e. result looks like we did COMMIT rather than ROLLBACK.
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NB: we use custom TPB with fdb.isc_tpb_autocommit in order to start DML transactions in AUTOCOMMIT=1 mode.
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FBTEST: functional.gtcs.transactions_autocommit_1
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"""
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import pytest
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from firebird.qa import *
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from firebird.driver import *
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init_script = """
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set bail on;
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recreate table test_1 (x integer);
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recreate table test_2 (x integer);
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recreate table test_3 (x integer);
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commit;
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set term ^;
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create or alter trigger trg_test1_ai for test_1 active after insert position 0 as
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begin
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insert into test_2 values (new.x * 7);
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insert into test_3 values (new.x * 777);
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end ^
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set term ;^
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commit;
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"""
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db = db_factory(init=init_script)
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act = python_act('db', substitutions=[('[ \t]+', ' ')])
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expected_stdout = """
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mon$auto_commit: 1
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test_1 777
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test_2 5439
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test_3 603729
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"""
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# functional\fkey\unique\test_select_uf_01.py
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# bugs\core_4840_test.py
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custom_tpb = TPB(lock_timeout = 0, auto_commit=True).get_buffer()
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@pytest.mark.version('>=3')
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def test_1(act: Action, capsys):
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with act.db.connect() as con:
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con.begin(custom_tpb)
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with con.cursor() as cur:
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for r in cur.execute('select mon$auto_commit from mon$transactions where mon$transaction_id = current_transaction').fetchall():
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print('mon$auto_commit:', r[0])
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cur.execute( 'insert into test_1 values(?)', ( 777,) )
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# Despite this ROLLBACK all *three* records must remain in DB because auto_commit = true:
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con.rollback()
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with con.cursor() as cur:
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for r in cur.execute("select 'test_1' tab_name, x from test_1 union all select 'test_2', x from test_2 union all select 'test_3', x from test_3").fetchall():
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print(r[0], r[1])
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assert act.clean_string(capsys.readouterr().out, act.substitutions) == act.clean_string(expected_stdout, act.substitutions)
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