SET @start_global_value = @@global.join_buffer_size; SELECT @start_global_value; @start_global_value 131072 SET @start_session_value = @@session.join_buffer_size; SELECT @start_session_value; @start_session_value 131072 '#--------------------FN_DYNVARS_053_01-------------------------#' SET @@global.join_buffer_size = 8200; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '8200' SET @@global.join_buffer_size = DEFAULT; SELECT @@global.join_buffer_size; @@global.join_buffer_size 131072 SET @@session.join_buffer_size = 8200; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '8200' SET @@session.join_buffer_size = DEFAULT; SELECT @@session.join_buffer_size; @@session.join_buffer_size 131072 '#--------------------FN_DYNVARS_053_02-------------------------#' SET @@global.join_buffer_size = DEFAULT; SELECT @@global.join_buffer_size = 131072; @@global.join_buffer_size = 131072 1 SET @@session.join_buffer_size = DEFAULT; SELECT @@session.join_buffer_size = 131072; @@session.join_buffer_size = 131072 1 '#--------------------FN_DYNVARS_053_03-------------------------#' SET @@global.join_buffer_size = 8200; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '8200' SELECT @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228; @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228 1 SET @@global.join_buffer_size = 65536; SELECT @@global.join_buffer_size; @@global.join_buffer_size 65536 SET @@global.join_buffer_size = 4294967295; SELECT @@global.join_buffer_size; @@global.join_buffer_size 4294963200 'Bug # 34837: Errors are not coming on assigning invalid values to variable' '#--------------------FN_DYNVARS_053_04-------------------------#' SET @@session.join_buffer_size = 8200; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '8200' SELECT @@session.join_buffer_size=8200 OR @@session.join_buffer_size= 8228; @@session.join_buffer_size=8200 OR @@session.join_buffer_size= 8228 1 SET @@session.join_buffer_size = 65536; SELECT @@session.join_buffer_size; @@session.join_buffer_size 65536 SET @@session.join_buffer_size = 4294967295; SELECT @@session.join_buffer_size; @@session.join_buffer_size 4294963200 'Bug # 34837: Errors are not coming on assigning invalid values to variable' '#------------------FN_DYNVARS_053_05-----------------------#' SET @@global.join_buffer_size = 0; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '0' SELECT @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228; @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228 1 SET @@global.join_buffer_size = -1024; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '0' SELECT @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228; @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228 1 SET @@global.join_buffer_size = 8199; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '8199' SELECT @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228; @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228 1 SET @@global.join_buffer_size = 42949672951; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '42949672951' SELECT @@global.join_buffer_size; @@global.join_buffer_size 4294963200 SET @@global.join_buffer_size = 65530.34.; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '.' at line 1 SELECT @@global.join_buffer_size; @@global.join_buffer_size 4294963200 SET @@global.join_buffer_size = test; ERROR 42000: Incorrect argument type to variable 'join_buffer_size' SELECT @@global.join_buffer_size; @@global.join_buffer_size 4294963200 SET @@session.join_buffer_size = 0; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '0' SELECT @@session.join_buffer_size=8200 OR @@session.join_buffer_size= 8228; @@session.join_buffer_size=8200 OR @@session.join_buffer_size= 8228 1 SET @@session.join_buffer_size = -2; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '0' SELECT @@session.join_buffer_size=8200 OR @@session.join_buffer_size= 8228; @@session.join_buffer_size=8200 OR @@session.join_buffer_size= 8228 1 SET @@session.join_buffer_size = 8199; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '8199' SELECT @@session.join_buffer_size=8200 OR @@session.join_buffer_size= 8228; @@session.join_buffer_size=8200 OR @@session.join_buffer_size= 8228 1 SET @@session.join_buffer_size = 42949672951; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '42949672951' SELECT @@session.join_buffer_size; @@session.join_buffer_size 4294963200 SET @@session.join_buffer_size = 65530.34.; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '.' at line 1 SELECT @@session.join_buffer_size; @@session.join_buffer_size 4294963200 'Bug # 34837: Errors are not coming on assigning invalid values to variable' SET @@session.join_buffer_size = test; ERROR 42000: Incorrect argument type to variable 'join_buffer_size' SELECT @@session.join_buffer_size; @@session.join_buffer_size 4294963200 '#------------------FN_DYNVARS_053_06-----------------------#' SELECT @@global.join_buffer_size = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='join_buffer_size'; @@global.join_buffer_size = VARIABLE_VALUE 1 '#------------------FN_DYNVARS_053_07-----------------------#' SELECT @@session.join_buffer_size = VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME='join_buffer_size'; @@session.join_buffer_size = VARIABLE_VALUE 1 '#------------------FN_DYNVARS_053_08-----------------------#' SET @@global.join_buffer_size = TRUE; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '1' SELECT @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228; @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228 1 SET @@global.join_buffer_size = FALSE; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '0' SELECT @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228; @@global.join_buffer_size=8200 OR @@global.join_buffer_size= 8228 1 'Bug: Errors are not coming on assigning TRUE/FALSE to variable'; '#---------------------FN_DYNVARS_001_09----------------------#' SET @@global.join_buffer_size = 10; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '10' SELECT @@join_buffer_size = @@global.join_buffer_size; @@join_buffer_size = @@global.join_buffer_size 0 '#---------------------FN_DYNVARS_001_10----------------------#' SET @@join_buffer_size = 100; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '100' SELECT @@join_buffer_size = @@local.join_buffer_size; @@join_buffer_size = @@local.join_buffer_size 1 SELECT @@local.join_buffer_size = @@session.join_buffer_size; @@local.join_buffer_size = @@session.join_buffer_size 1 '#---------------------FN_DYNVARS_001_11----------------------#' SET join_buffer_size = 1; Warnings: Warning 1292 Truncated incorrect join_buffer_size value: '1' SELECT @@join_buffer_size=8200 OR @@join_buffer_size= 8228; @@join_buffer_size=8200 OR @@join_buffer_size= 8228 1 SELECT local.join_buffer_size; ERROR 42S02: Unknown table 'local' in field list SELECT session.join_buffer_size; ERROR 42S02: Unknown table 'session' in field list SELECT join_buffer_size = @@session.join_buffer_size; ERROR 42S22: Unknown column 'join_buffer_size' in 'field list' SET @@global.join_buffer_size = @start_global_value; SELECT @@global.join_buffer_size; @@global.join_buffer_size 131072 SET @@session.join_buffer_size = @start_session_value; SELECT @@session.join_buffer_size; @@session.join_buffer_size 131072