SET @global_start_value = @@global.innodb_flushing_avg_loops; SELECT @global_start_value; @global_start_value 30 '#--------------------FN_DYNVARS_046_01------------------------#' SET @@global.innodb_flushing_avg_loops = 1; SET @@global.innodb_flushing_avg_loops = DEFAULT; SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 30 '#---------------------FN_DYNVARS_046_02-------------------------#' SET innodb_flushing_avg_loops = 1; ERROR HY000: Variable 'innodb_flushing_avg_loops' is a GLOBAL variable and should be set with SET GLOBAL SELECT @@innodb_flushing_avg_loops; @@innodb_flushing_avg_loops 30 SELECT local.innodb_flushing_avg_loops; ERROR 42S02: Unknown table 'local' in field list SET global innodb_flushing_avg_loops = 1; SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 1 '#--------------------FN_DYNVARS_046_03------------------------#' SET @@global.innodb_flushing_avg_loops = 1; SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 1 SET @@global.innodb_flushing_avg_loops = 60; SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 60 SET @@global.innodb_flushing_avg_loops = 1000; SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 1000 '#--------------------FN_DYNVARS_046_04-------------------------#' SET @@global.innodb_flushing_avg_loops = -1; Warnings: Warning 1292 Truncated incorrect innodb_flushing_avg_loops value: '-1' SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 1 SET @@global.innodb_flushing_avg_loops = "T"; ERROR 42000: Incorrect argument type to variable 'innodb_flushing_avg_loops' SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 1 SET @@global.innodb_flushing_avg_loops = "Y"; ERROR 42000: Incorrect argument type to variable 'innodb_flushing_avg_loops' SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 1 SET @@global.innodb_flushing_avg_loops = 1001; Warnings: Warning 1292 Truncated incorrect innodb_flushing_avg_loops value: '1001' SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 1000 SET @@global.innodb_flushing_avg_loops = ' '; ERROR 42000: Incorrect argument type to variable 'innodb_flushing_avg_loops' SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 1000 SET @@global.innodb_flushing_avg_loops = " "; ERROR 42000: Incorrect argument type to variable 'innodb_flushing_avg_loops' SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 1000 '#----------------------FN_DYNVARS_046_05------------------------#' SELECT @@global.innodb_flushing_avg_loops = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='innodb_flushing_avg_loops'; @@global.innodb_flushing_avg_loops = VARIABLE_VALUE 1 SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 1000 SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='innodb_flushing_avg_loops'; VARIABLE_VALUE 1000 '#---------------------FN_DYNVARS_046_06-------------------------#' SET @@global.innodb_flushing_avg_loops = OFF; ERROR 42000: Incorrect argument type to variable 'innodb_flushing_avg_loops' SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 1000 SET @@global.innodb_flushing_avg_loops = ON; ERROR 42000: Incorrect argument type to variable 'innodb_flushing_avg_loops' SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 1000 '#---------------------FN_DYNVARS_046_07----------------------#' SET @@global.innodb_flushing_avg_loops = TRUE; SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 1 SET @@global.innodb_flushing_avg_loops = FALSE; Warnings: Warning 1292 Truncated incorrect innodb_flushing_avg_loops value: '0' SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 1 SET @@global.innodb_flushing_avg_loops = @global_start_value; SELECT @@global.innodb_flushing_avg_loops; @@global.innodb_flushing_avg_loops 30