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SET @start_global_value = @@global.max_delayed_threads; SELECT @start_global_value; @start_global_value 20 SET @start_session_value = @@session.max_delayed_threads; SELECT @start_session_value; @start_session_value 20 '#--------------------FN_DYNVARS_075_01-------------------------#' SET @@global.max_delayed_threads = 1000; SET @@global.max_delayed_threads = DEFAULT; SELECT @@global.max_delayed_threads; @@global.max_delayed_threads 20 SET @@session.max_delayed_threads = 1000; ERROR 42000: Variable 'max_delayed_threads' can't be set to the value of '1000' SET @@session.max_delayed_threads = DEFAULT; SELECT @@session.max_delayed_threads; @@session.max_delayed_threads 20 '#--------------------FN_DYNVARS_075_02-------------------------#' SET @@global.max_delayed_threads = DEFAULT; SELECT @@global.max_delayed_threads = 20; @@global.max_delayed_threads = 20 1 SET @@session.max_delayed_threads = DEFAULT; SELECT @@session.max_delayed_threads = 20; @@session.max_delayed_threads = 20 1 '#--------------------FN_DYNVARS_075_03-------------------------#' SET @@global.max_delayed_threads = 1; SELECT @@global.max_delayed_threads; @@global.max_delayed_threads 1 SET @@global.max_delayed_threads = 1025; SELECT @@global.max_delayed_threads; @@global.max_delayed_threads 1025 SET @@global.max_delayed_threads = 0; SELECT @@global.max_delayed_threads; @@global.max_delayed_threads 0 SET @@global.max_delayed_threads = 16384; SELECT @@global.max_delayed_threads; @@global.max_delayed_threads 16384 SET @@global.max_delayed_threads = 16383; SELECT @@global.max_delayed_threads; @@global.max_delayed_threads 16383 '#--------------------FN_DYNVARS_075_04-------------------------#' SET @@session.max_delayed_threads = 1; ERROR 42000: Variable 'max_delayed_threads' can't be set to the value of '1' SELECT @@session.max_delayed_threads; @@session.max_delayed_threads 20 SET @@session.max_delayed_threads = 1025; ERROR 42000: Variable 'max_delayed_threads' can't be set to the value of '1025' SELECT @@session.max_delayed_threads; @@session.max_delayed_threads 20 SET @@session.max_delayed_threads = 0; SELECT @@session.max_delayed_threads; @@session.max_delayed_threads 0 SET @@session.max_delayed_threads = 16384; ERROR 42000: Variable 'max_delayed_threads' can't be set to the value of '16384' SELECT @@session.max_delayed_threads; @@session.max_delayed_threads 0 SET @@session.max_delayed_threads = 16383; SELECT @@session.max_delayed_threads; @@session.max_delayed_threads 16383 '#------------------FN_DYNVARS_075_05-----------------------#' SET @@global.max_delayed_threads = -1024; Warnings: Warning 1292 Truncated incorrect max_delayed_threads value: '-1024' SELECT @@global.max_delayed_threads; @@global.max_delayed_threads 0 SET @@global.max_delayed_threads = -1; Warnings: Warning 1292 Truncated incorrect max_delayed_threads value: '-1' SELECT @@global.max_delayed_threads; @@global.max_delayed_threads 0 SET @@global.max_delayed_threads = 16385; Warnings: Warning 1292 Truncated incorrect max_delayed_threads value: '16385' SELECT @@global.max_delayed_threads; @@global.max_delayed_threads 16384 SET @@global.max_delayed_threads = 65530.34; ERROR 42000: Incorrect argument type to variable 'max_delayed_threads' SELECT @@global.max_delayed_threads; @@global.max_delayed_threads 16384 SET @@global.max_delayed_threads = test; ERROR 42000: Incorrect argument type to variable 'max_delayed_threads' SELECT @@global.max_delayed_threads; @@global.max_delayed_threads 16384 SET @@session.max_delayed_threads = 16385; Warnings: Warning 1292 Truncated incorrect max_delayed_threads value: '16385' SELECT @@session.max_delayed_threads; @@session.max_delayed_threads 16384 SET @@session.max_delayed_threads = -1; Warnings: Warning 1292 Truncated incorrect max_delayed_threads value: '-1' SELECT @@session.max_delayed_threads; @@session.max_delayed_threads 0 SET @@session.max_delayed_threads = -2; Warnings: Warning 1292 Truncated incorrect max_delayed_threads value: '-2' SELECT @@session.max_delayed_threads; @@session.max_delayed_threads 0 SET @@session.max_delayed_threads = 65530.34; ERROR 42000: Incorrect argument type to variable 'max_delayed_threads' SET @@session.max_delayed_threads = 10737418241; Warnings: Warning 1292 Truncated incorrect max_delayed_threads value: '10737418241' SELECT @@session.max_delayed_threads; @@session.max_delayed_threads 16384 SET @@session.max_delayed_threads = test; ERROR 42000: Incorrect argument type to variable 'max_delayed_threads' SELECT @@session.max_delayed_threads; @@session.max_delayed_threads 16384 '#------------------FN_DYNVARS_075_06-----------------------#' SELECT @@global.max_delayed_threads = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='max_delayed_threads'; @@global.max_delayed_threads = VARIABLE_VALUE 1 '#------------------FN_DYNVARS_075_07-----------------------#' SELECT @@session.max_delayed_threads = VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME='max_delayed_threads'; @@session.max_delayed_threads = VARIABLE_VALUE 1 '#------------------FN_DYNVARS_075_08-----------------------#' SET @@global.max_delayed_threads = TRUE; SELECT @@global.max_delayed_threads; @@global.max_delayed_threads 1 SET @@global.max_delayed_threads = FALSE; SELECT @@global.max_delayed_threads; @@global.max_delayed_threads 0 '#---------------------FN_DYNVARS_001_09----------------------#' SET @@global.max_delayed_threads = 2048; SELECT @@max_delayed_threads = @@global.max_delayed_threads; @@max_delayed_threads = @@global.max_delayed_threads 0 '#---------------------FN_DYNVARS_001_10----------------------#' SET @@max_delayed_threads = 100000; ERROR 42000: Variable 'max_delayed_threads' can't be set to the value of '100000' SELECT @@max_delayed_threads = @@local.max_delayed_threads; @@max_delayed_threads = @@local.max_delayed_threads 1 SELECT @@local.max_delayed_threads = @@session.max_delayed_threads; @@local.max_delayed_threads = @@session.max_delayed_threads 1 '#---------------------FN_DYNVARS_001_11----------------------#' SET max_delayed_threads = 1024; ERROR 42000: Variable 'max_delayed_threads' can't be set to the value of '1024' SELECT @@max_delayed_threads; @@max_delayed_threads 16384 SELECT local.max_delayed_threads; ERROR 42S02: Unknown table 'local' in SELECT SELECT session.max_delayed_threads; ERROR 42S02: Unknown table 'session' in SELECT SELECT max_delayed_threads = @@session.max_delayed_threads; ERROR 42S22: Unknown column 'max_delayed_threads' in 'SELECT' SET @@global.max_delayed_threads = @start_global_value; SELECT @@global.max_delayed_threads; @@global.max_delayed_threads 20 SET @@session.max_delayed_threads = @start_session_value; SELECT @@session.max_delayed_threads; @@session.max_delayed_threads 20