# # ==== Purpose ==== # # WL#6559 Optimize GTIDs for passive slave - store GTIDs in table # # Added test cases to cover error branches. # # Test case 1: Simulate an error on writing gtids into table on # server shutdown, verify that we can get correct # gtid sets after server restarts. # Test case 2: Simulate an error on writing gtids into table on # binlog rotation, verify that GTIDs are not saved # into gtid_executed table. # --source include/not_valgrind.inc --source include/have_debug.inc --source include/have_log_bin.inc # Need to restart servers after this test because it closes the binary # log and there is no other way to recover from that. --source include/force_restart.inc RESET MASTER; SET @@GLOBAL.DEBUG= "+d,simulate_err_on_write_gtid_into_table"; call mtr.add_suppression("Failed to save the set of Global Transaction " "Identifiers of the last binary log into the " "mysql.gtid_executed table while the server was " "shutting down. The next server restart will make " "another attempt to save Global Transaction " "Identifiers into the table."); SET @debug_save= @@GLOBAL.DEBUG; --let $saved_binlog_error_action=`SELECT @@GLOBAL.binlog_error_action` --let $master_uuid= `SELECT @@GLOBAL.SERVER_UUID` CREATE TABLE t1 (a INT) ENGINE=InnoDB; --source include/restart_mysqld.inc --echo # --echo # Verify that we can get correct gtid sets after server restarts --echo # even if we encounter an error on writing gtids into table on --echo # server shutdown. --echo # --let $assert_text= committed gtid set is MASTER_UUID:1-2 --let $assert_cond= @@GLOBAL.GTID_EXECUTED = "$master_uuid:1-2" --source include/assert.inc --replace_result $master_uuid MASTER_UUID SELECT * FROM mysql.gtid_executed; SET GLOBAL DEBUG= @debug_save; SET GLOBAL binlog_error_action= IGNORE_ERROR; SET GLOBAL debug="+d,simulate_err_on_write_gtid_into_table"; call mtr.add_suppression(".* Turning logging off for the whole duration of the " "MySQL server process. To turn it on again: fix the " "cause, shutdown the MySQL server and restart it."); call mtr.add_suppression("ERROR.*Unable to create a new binlog file: Table " "`mysql.gtid_executed` couldn't be opened. Current" " binlog file was flushed to disk and will be kept" " in use."); INSERT INTO t1 VALUES(1); SET GLOBAL debug="+d,wait_for_flush_gtid_persister"; --replace_regex /'Unknown error.*'/'Unknown error'/ --ERROR ER_GET_ERRNO FLUSH LOGS; SET GLOBAL debug="-d,wait_for_flush_gtid_persister"; SET GLOBAL debug="-d,simulate_err_on_write_gtid_into_table"; --echo # --echo # Verify that GTIDs are not saved into gtid_executed table if we --echo # encounter an error on writing gtids into table on binlog rotation. --echo # --replace_result $master_uuid MASTER_UUID SELECT * FROM mysql.gtid_executed; --let $assert_text= committed gtid set is MASTER_UUID:1-5 --let $assert_cond= @@GLOBAL.GTID_EXECUTED = "$master_uuid:1-5" --source include/assert.inc --eval SET GLOBAL binlog_error_action= $saved_binlog_error_action DROP TABLE t1;