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# Variable Name: innodb_max_purge_lag_delay # Scope: Global # # Access Type: Static # # Data Type: numeric # --source include/have_innodb.inc SELECT @@GLOBAL.innodb_max_purge_lag_delay; --echo 0 Expected SET @@GLOBAL.innodb_max_purge_lag_delay=1; SELECT COUNT(@@GLOBAL.innodb_max_purge_lag_delay); --echo 1 Expected --disable_warnings SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='innodb_max_purge_lag_delay'; --enable_warnings --echo 1 Expected SELECT @@innodb_max_purge_lag_delay = @@GLOBAL.innodb_max_purge_lag_delay; --echo 1 Expected SELECT COUNT(@@innodb_max_purge_lag_delay); --echo 1 Expected --Error ER_INCORRECT_GLOBAL_LOCAL_VAR SELECT COUNT(@@local.innodb_max_purge_lag_delay); --echo Expected error 'Variable is a GLOBAL variable' --Error ER_INCORRECT_GLOBAL_LOCAL_VAR SELECT COUNT(@@SESSION.innodb_max_purge_lag_delay); --echo Expected error 'Variable is a GLOBAL variable' --Error ER_BAD_FIELD_ERROR SELECT innodb_max_purge_lag_delay = @@SESSION.innodb_max_purge_lag_delay; set global innodb_max_purge_lag_delay = -1; set global innodb_max_purge_lag_delay = 1000000; set global innodb_max_purge_lag_delay = 10000000; set global innodb_max_purge_lag_delay = 100000000; set global innodb_max_purge_lag_delay = 100000001; set global innodb_max_purge_lag_delay = 0;