| Current Path : /home/usr.opt/mysql57/mysql-test/suite/binlog/t/ |
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| Current File : //home/usr.opt/mysql57/mysql-test/suite/binlog/t/binlog_reset_connection_not_reset_writeset.test |
############################################################################### # Bug#25950554:THE FUNCTION RESET_CONNECTION DOES NOT RESET WRITE SET IN # # WRITESET_SESSION. # # # # Problem: When we do reset_connection which has the same effect as # # auto-reconnect, the write set session history is not cleared, # # which in case of auto-reconnect does get cleared. # # # # Fix: Reset the write set session history when mysql_reset_connection # # is called. # # # # Steps to reproduce: # # # # 1) Set the variable transaction_write_set_extraction to 'XXHASH64' which is # # necessary to be able to change the value of the variable # # binlog_transaction_dependency_tracking to WRITESET or WRITESET_SESSION # # # # 2) Set the variable binlog_transaction_dependency_tracking to WRITESET for # # few coming transactions. # # # # 3) Create a sample table and do few inserts. # # # # 4) Change the value of binlog_transaction_dependency_tracking to # # WRITESET_SESSION, to check if the write set session history is cleared # # or not after calling reset_connection. # # # # 5) Call reset_connection. # # # # 6) Check if the logical timestamp has the correct entry after the reset # # connection. This will mean that the write set history is cleared after a # # to reset_connection. # ############################################################################### --source include/have_binlog_format_row.inc --let $saved_binlog_transaction_dependency_tracking= `SELECT @@GLOBAL.binlog_transaction_dependency_tracking` --let $saved_transaction_write_set_extraction= `SELECT @@GLOBAL.transaction_write_set_extraction` SET GLOBAL transaction_write_set_extraction= 'XXHASH64'; SET GLOBAL binlog_transaction_dependency_tracking= 'WRITESET'; CREATE TABLE t1(id INT, PRIMARY KEY (id)); FLUSH LOGS; INSERT INTO t1(id) VALUES(1); INSERT INTO t1(id) VALUES(2); SET GLOBAL binlog_transaction_dependency_tracking= 'WRITESET_SESSION'; INSERT INTO t1(id) VALUES(3); INSERT INTO t1(id) VALUES(4); reset_connection; --source include/save_binlog_position.inc INSERT INTO t1(id) VALUES(5); --let $logical_timestamps= 4 5 --source include/assert_logical_timestamps.inc # Clean up --eval SET GLOBAL binlog_transaction_dependency_tracking= $saved_binlog_transaction_dependency_tracking --eval SET GLOBAL transaction_write_set_extraction= $saved_transaction_write_set_extraction DROP TABLE t1;