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Added/Updated tests\functional\transactions\test_read_consist_sttm_restart_on_update_04.py: minor change: added comments

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pavel-zotov 2023-11-26 00:58:16 +03:00
parent cb59e14caa
commit 4ead2c2667
1 changed files with 13 additions and 0 deletions
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13
tests/functional/transactions/test_read_consist_sttm_restart_on_update_04.py
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@ -348,6 +348,11 @@ def test_1(act: Action, fn_worker_sql: Path, fn_worker_log: Path, fn_worker_err:
con_lock_2.execute_immediate( f'update {target_obj} set id = -5 where abs(id) = 5;' )
con_lock_2.commit()
con_lock_2.execute_immediate( f'update {target_obj} set id = id where abs(id) = 5;' )
#########################
### L O C K E R - 1 ###
#########################
con_lock_1.commit() # releases record with ID=1 ==> now it can be locked by worker.
# We have to WAIT HERE until worker will actually 'catch' just released record with ID = 1.
@ -362,6 +367,10 @@ def test_1(act: Action, fn_worker_sql: Path, fn_worker_log: Path, fn_worker_err:
con_lock_1.execute_immediate( f'update {target_obj} set id = id where abs(id) = 4;' )
#########################
### L O C K E R - 2 ###
#########################
con_lock_2.commit() # releases record with ID = -5, but session-worker is waiting for record with ID = -4 (that was changed by locker-1).
# We have to WAIT HERE until worker will actually 'catch' just released record with ID = -5:
@ -374,6 +383,10 @@ def test_1(act: Action, fn_worker_sql: Path, fn_worker_log: Path, fn_worker_err:
con_lock_2.commit()
con_lock_2.execute_immediate( f'update {target_obj} set id = id where abs(id) = 3;' )
#########################
### L O C K E R - 1 ###
#########################
con_lock_1.commit() # This releases row with ID=-4 but session-worker is waiting for ID = - 3 (changed by locker-2).
# We have to WAIT HERE until worker will actually 'catch' just released record with ID = -4: