SET @start_global_value = @@global.low_priority_updates; SELECT @start_global_value; @start_global_value 0 SET @start_session_value = @@session.low_priority_updates; SELECT @start_session_value; @start_session_value 0 '#--------------------FN_DYNVARS_069_01-------------------------#' SET @@global.low_priority_updates = ON; SET @@global.low_priority_updates = DEFAULT; SELECT @@global.low_priority_updates; @@global.low_priority_updates 0 SET @@session.low_priority_updates = ON; SET @@session.low_priority_updates = DEFAULT; SELECT @@session.low_priority_updates; @@session.low_priority_updates 0 '#--------------------FN_DYNVARS_069_02-------------------------#' SET @@global.low_priority_updates = DEFAULT; SELECT @@global.low_priority_updates = 'FALSE'; @@global.low_priority_updates = 'FALSE' 1 Warnings: Warning 1292 Truncated incorrect DOUBLE value: 'FALSE' SET @@session.low_priority_updates = DEFAULT; SELECT @@session.low_priority_updates = 'FALSE'; @@session.low_priority_updates = 'FALSE' 1 Warnings: Warning 1292 Truncated incorrect DOUBLE value: 'FALSE' '#--------------------FN_DYNVARS_069_03-------------------------#' SET @@global.low_priority_updates = ON; SELECT @@global.low_priority_updates; @@global.low_priority_updates 1 SET @@global.low_priority_updates = OFF; SELECT @@global.low_priority_updates; @@global.low_priority_updates 0 SET @@global.low_priority_updates = 0; SELECT @@global.low_priority_updates; @@global.low_priority_updates 0 SET @@global.low_priority_updates = 1; SELECT @@global.low_priority_updates; @@global.low_priority_updates 1 SET @@global.low_priority_updates = TRUE; SELECT @@global.low_priority_updates; @@global.low_priority_updates 1 SET @@global.low_priority_updates = FALSE; SELECT @@global.low_priority_updates; @@global.low_priority_updates 0 '#--------------------FN_DYNVARS_069_04-------------------------#' SET @@session.low_priority_updates = ON; SELECT @@session.low_priority_updates; @@session.low_priority_updates 1 SET @@session.low_priority_updates = OFF; SELECT @@session.low_priority_updates; @@session.low_priority_updates 0 SET @@session.low_priority_updates = 0; SELECT @@session.low_priority_updates; @@session.low_priority_updates 0 SET @@session.low_priority_updates = 1; SELECT @@session.low_priority_updates; @@session.low_priority_updates 1 SET @@session.low_priority_updates = TRUE; SELECT @@session.low_priority_updates; @@session.low_priority_updates 1 SET @@session.low_priority_updates = FALSE; SELECT @@session.low_priority_updates; @@session.low_priority_updates 0 '#------------------FN_DYNVARS_069_05-----------------------#' SET @@global.low_priority_updates = 'ONN'; ERROR 42000: Variable 'low_priority_updates' can't be set to the value of 'ONN' SET @@global.low_priority_updates = "OFFF"; ERROR 42000: Variable 'low_priority_updates' can't be set to the value of 'OFFF' SET @@global.low_priority_updates = TTRUE; ERROR 42000: Variable 'low_priority_updates' can't be set to the value of 'TTRUE' SET @@global.low_priority_updates = FELSE; ERROR 42000: Variable 'low_priority_updates' can't be set to the value of 'FELSE' SET @@global.low_priority_updates = -1024; ERROR 42000: Variable 'low_priority_updates' can't be set to the value of '-1024' SET @@global.low_priority_updates = 65536; ERROR 42000: Variable 'low_priority_updates' can't be set to the value of '65536' SET @@global.low_priority_updates = 65530.34; ERROR 42000: Variable 'low_priority_updates' can't be set to the value of '65530' SET @@global.low_priority_updates = test; ERROR 42000: Variable 'low_priority_updates' can't be set to the value of 'test' SET @@session.low_priority_updates = ONN; ERROR 42000: Variable 'low_priority_updates' can't be set to the value of 'ONN' SET @@session.low_priority_updates = ONF; ERROR 42000: Variable 'low_priority_updates' can't be set to the value of 'ONF' SET @@session.low_priority_updates = OF; SELECT @@session.low_priority_updates; @@session.low_priority_updates 0 'Bug# 34828: OF is also working as OFF and no error is coming'; SET @@session.low_priority_updates = 'OFN'; ERROR 42000: Variable 'low_priority_updates' can't be set to the value of 'OFN' SET @@session.low_priority_updates = -2; ERROR 42000: Variable 'low_priority_updates' can't be set to the value of '-2' SET @@session.low_priority_updates = 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 SET @@session.low_priority_updates = 65550; ERROR 42000: Variable 'low_priority_updates' can't be set to the value of '65550' 'Bug # 34837: Errors are not coming on assigning invalid values to variable'; SET @@session.low_priority_updates = test; ERROR 42000: Variable 'low_priority_updates' can't be set to the value of 'test' '#------------------FN_DYNVARS_069_06-----------------------#' SELECT @@global.low_priority_updates = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='low_priority_updates'; @@global.low_priority_updates = VARIABLE_VALUE 1 '#------------------FN_DYNVARS_069_07-----------------------#' SELECT @@session.low_priority_updates = VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME='low_priority_updates'; @@session.low_priority_updates = VARIABLE_VALUE 1 '#---------------------FN_DYNVARS_069_08----------------------#' SET @@low_priority_updates = FALSE; SET @@global.low_priority_updates = TRUE; SELECT @@low_priority_updates = @@global.low_priority_updates; @@low_priority_updates = @@global.low_priority_updates 0 '#---------------------FN_DYNVARS_069_09----------------------#' SET @@low_priority_updates = ON; SELECT @@low_priority_updates = @@local.low_priority_updates; @@low_priority_updates = @@local.low_priority_updates 1 SELECT @@local.low_priority_updates = @@session.low_priority_updates; @@local.low_priority_updates = @@session.low_priority_updates 1 '#---------------------FN_DYNVARS_069_10----------------------#' SET low_priority_updates = 1; SELECT @@low_priority_updates; @@low_priority_updates 1 SELECT local.low_priority_updates; ERROR 42S02: Unknown table 'local' in field list SELECT session.low_priority_updates; ERROR 42S02: Unknown table 'session' in field list SELECT low_priority_updates = @@session.low_priority_updates; ERROR 42S22: Unknown column 'low_priority_updates' in 'field list' SET @@global.low_priority_updates = @start_global_value; SELECT @@global.low_priority_updates; @@global.low_priority_updates 0 SET @@session.low_priority_updates = @start_session_value; SELECT @@session.low_priority_updates; @@session.low_priority_updates 0