1# ==== Purpose ==== 2# 3# Display the delay state of the SQL thread. 4# 5# ==== Usage ==== 6# 7# --let $verbose_delayed_slave_state= [0|1] 8# --source suite/rpl/include/show_delayed_slave_state.inc 9# 10# By default, the output is normalized so that it does not depend on 11# exact timing or exact binlog positions. If 12# $verbose_delayed_slave_state is set, then it outputs exact times and 13# binlog positions. This can be useful for debugging. 14 15--let $_delayed_slave_status= query_get_value(SHOW SLAVE STATUS, Slave_SQL_Running_State, 1) 16 17--let $_delayed_slave_remaining_delay= query_get_value(SHOW SLAVE STATUS, SQL_Remaining_Delay, 1) 18--let $_delayed_slave_qualitative_delay= `SELECT CASE WHEN "$_delayed_slave_remaining_delay" = "NULL" THEN "NULL" WHEN "$_delayed_slave_remaining_delay" = "0" THEN "0" ELSE "greater than zero" END` 19 20--let $_delayed_slave_io_pos= query_get_value(SHOW SLAVE STATUS, Read_Master_Log_Pos, 1) 21--let $_delayed_slave_sql_pos= query_get_value(SHOW SLAVE STATUS, Exec_Master_Log_Pos, 1) 22--let $_delayed_slave_qualitative_log_pos= `SELECT IF($_delayed_slave_io_pos > $_delayed_slave_sql_pos, "behind", "in sync with")` 23 24--echo Slave_SQL_Running_State='$_delayed_slave_status'; SQL_Remaining_Delay is $_delayed_slave_qualitative_delay; SQL thread is $_delayed_slave_qualitative_log_pos IO thread 25 26if ($verbose_delayed_slave_state) { 27 --echo SQL_Remaining_Delay='$_delayed_slave_remaining_delay'; Read_master_log_pos='$_delayed_slave_io_pos'; Exec_Master_Log_Pos='$_delayed_slave_sql_pos' 28} 29