SET @session_start_value = @@session.sql_low_priority_updates; SELECT @session_start_value; @session_start_value 0 SET @global_start_value = @@global.sql_low_priority_updates; SELECT @global_start_value; @global_start_value 0 '#--------------------FN_DYNVARS_159_01------------------------#' SET @@session.sql_low_priority_updates = 1; SET @@session.sql_low_priority_updates = DEFAULT; SELECT @@session.sql_low_priority_updates; @@session.sql_low_priority_updates 0 SET @@global.sql_low_priority_updates = 1; SET @@global.sql_low_priority_updates = DEFAULT; ERROR 42000: Variable 'sql_low_priority_updates' doesn't have a default value 'Bug: DEFAULT value is only associated with session' '#---------------------FN_DYNVARS_159_02-------------------------#' SET sql_low_priority_updates = 1; SELECT @@sql_low_priority_updates; @@sql_low_priority_updates 1 SELECT session.sql_low_priority_updates; ERROR 42S02: Unknown table 'session' in field list SELECT local.sql_low_priority_updates; ERROR 42S02: Unknown table 'local' in field list SELECT global.sql_low_priority_updates; ERROR 42S02: Unknown table 'global' in field list SET session sql_low_priority_updates = 0; SELECT @@session.sql_low_priority_updates; @@session.sql_low_priority_updates 0 SET global sql_low_priority_updates = 0; SELECT @@global.sql_low_priority_updates; @@global.sql_low_priority_updates 0 '#--------------------FN_DYNVARS_159_03------------------------#' SET @@session.sql_low_priority_updates = 0; SELECT @@session.sql_low_priority_updates; @@session.sql_low_priority_updates 0 SET @@session.sql_low_priority_updates = 1; SELECT @@session.sql_low_priority_updates; @@session.sql_low_priority_updates 1 SET @@global.sql_low_priority_updates = 0; SELECT @@global.sql_low_priority_updates; @@global.sql_low_priority_updates 0 SET @@global.sql_low_priority_updates = 1; SELECT @@global.sql_low_priority_updates; @@global.sql_low_priority_updates 1 '#--------------------FN_DYNVARS_159_04-------------------------#' SET @@session.sql_low_priority_updates = -1; ERROR 42000: Variable 'sql_low_priority_updates' can't be set to the value of '-1' SET @@session.sql_low_priority_updates = 1.6; ERROR 42000: Variable 'sql_low_priority_updates' can't be set to the value of '2' SET @@session.sql_low_priority_updates = "T"; ERROR 42000: Variable 'sql_low_priority_updates' can't be set to the value of 'T' SET @@session.sql_low_priority_updates = "Y"; ERROR 42000: Variable 'sql_low_priority_updates' can't be set to the value of 'Y' SET @@session.sql_low_priority_updates = TRÜE; ERROR 42000: Variable 'sql_low_priority_updates' can't be set to the value of 'TRÃœE' SET @@session.sql_low_priority_updates = ÕN; ERROR 42000: Variable 'sql_low_priority_updates' can't be set to the value of 'ÕN' SET @@session.sql_low_priority_updates = OF; SELECT @@session.sql_low_priority_updates; @@session.sql_low_priority_updates 0 'Bug# 34828: OF is taken as OFF and a value of 0 is set.' SET @@session.sql_low_priority_updates = ÓFF; ERROR 42000: Variable 'sql_low_priority_updates' can't be set to the value of 'ÓFF' SET @@global.sql_low_priority_updates = -1; ERROR 42000: Variable 'sql_low_priority_updates' can't be set to the value of '-1' SET @@global.sql_low_priority_updates = 2; ERROR 42000: Variable 'sql_low_priority_updates' can't be set to the value of '2' SET @@global.sql_low_priority_updates = "T"; ERROR 42000: Variable 'sql_low_priority_updates' can't be set to the value of 'T' SET @@global.sql_low_priority_updates = "Y"; ERROR 42000: Variable 'sql_low_priority_updates' can't be set to the value of 'Y' SET @@global.sql_low_priority_updates = TRÜE; ERROR 42000: Variable 'sql_low_priority_updates' can't be set to the value of 'TRÃœE' SET @@global.sql_low_priority_updates = ÕN; ERROR 42000: Variable 'sql_low_priority_updates' can't be set to the value of 'ÕN' SET @@global.sql_low_priority_updates = OF; SELECT @@global.sql_low_priority_updates; @@global.sql_low_priority_updates 0 'Bug# 34828: OF is taken as OFF and a value of 0 is set.' SET @@global.sql_low_priority_updates = ÓFF; ERROR 42000: Variable 'sql_low_priority_updates' can't be set to the value of 'ÓFF' '#-------------------FN_DYNVARS_159_05----------------------------#' SET @@global.sql_low_priority_updates = 0; SET @@session.sql_low_priority_updates = 1; SELECT @@global.sql_low_priority_updates AS res_is_0; res_is_0 0 SET @@global.sql_low_priority_updates = 0; SELECT @@session.sql_low_priority_updates AS res_is_1; res_is_1 1 '#----------------------FN_DYNVARS_159_06------------------------#' SELECT @@global.sql_low_priority_updates = VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='sql_low_priority_updates'; @@global.sql_low_priority_updates = VARIABLE_VALUE 1 SELECT @@global.sql_low_priority_updates; @@global.sql_low_priority_updates 0 SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES WHERE VARIABLE_NAME='sql_low_priority_updates'; VARIABLE_VALUE OFF '#----------------------FN_DYNVARS_159_07------------------------#' SELECT @@session.sql_low_priority_updates = VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME='sql_low_priority_updates'; @@session.sql_low_priority_updates = VARIABLE_VALUE 0 SELECT @@session.sql_low_priority_updates; @@session.sql_low_priority_updates 1 SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_VARIABLES WHERE VARIABLE_NAME='sql_low_priority_updates'; VARIABLE_VALUE ON '#---------------------FN_DYNVARS_159_08-------------------------#' SET @@session.sql_low_priority_updates = OFF; SELECT @@session.sql_low_priority_updates; @@session.sql_low_priority_updates 0 SET @@session.sql_low_priority_updates = ON; SELECT @@session.sql_low_priority_updates; @@session.sql_low_priority_updates 1 SET @@global.sql_low_priority_updates = OFF; SELECT @@global.sql_low_priority_updates; @@global.sql_low_priority_updates 0 SET @@global.sql_low_priority_updates = ON; SELECT @@global.sql_low_priority_updates; @@global.sql_low_priority_updates 1 '#---------------------FN_DYNVARS_159_09----------------------#' SET @@session.sql_low_priority_updates = TRUE; SELECT @@session.sql_low_priority_updates; @@session.sql_low_priority_updates 1 SET @@session.sql_low_priority_updates = FALSE; SELECT @@session.sql_low_priority_updates; @@session.sql_low_priority_updates 0 SET @@global.sql_low_priority_updates = TRUE; SELECT @@global.sql_low_priority_updates; @@global.sql_low_priority_updates 1 SET @@global.sql_low_priority_updates = FALSE; SELECT @@global.sql_low_priority_updates; @@global.sql_low_priority_updates 0 SET @@session.sql_low_priority_updates = @session_start_value; SELECT @@session.sql_low_priority_updates; @@session.sql_low_priority_updates 0 SET @@global.sql_low_priority_updates = @global_start_value; SELECT @@global.sql_low_priority_updates; @@global.sql_low_priority_updates 0