1SET @session_start_value = @@session.sql_big_tables; 2SELECT @session_start_value; 3@session_start_value 40 5'#--------------------FN_DYNVARS_154_01------------------------#' 6SET @@session.sql_big_tables = 0; 7SET @@session.sql_big_tables = DEFAULT; 8SELECT @@session.sql_big_tables; 9@@session.sql_big_tables 100 11SET @@session.sql_big_tables = 1; 12SET @@session.sql_big_tables = DEFAULT; 13SELECT @@session.sql_big_tables; 14@@session.sql_big_tables 150 16'#---------------------FN_DYNVARS_154_02-------------------------#' 17SET sql_big_tables = 1; 18SELECT @@sql_big_tables; 19@@sql_big_tables 201 21SELECT session.sql_big_tables; 22ERROR 42S02: Unknown table 'session' in field list 23SELECT local.sql_big_tables; 24ERROR 42S02: Unknown table 'local' in field list 25SET session sql_big_tables = 0; 26SELECT @@session.sql_big_tables; 27@@session.sql_big_tables 280 29'#--------------------FN_DYNVARS_154_03------------------------#' 30SET @@session.sql_big_tables = 0; 31SELECT @@session.sql_big_tables; 32@@session.sql_big_tables 330 34SET @@session.sql_big_tables = 1; 35SELECT @@session.sql_big_tables; 36@@session.sql_big_tables 371 38'#--------------------FN_DYNVARS_154_04-------------------------#' 39SET @@session.sql_big_tables = -1; 40ERROR 42000: Variable 'sql_big_tables' can't be set to the value of '-1' 41SET @@session.sql_big_tables = 2; 42ERROR 42000: Variable 'sql_big_tables' can't be set to the value of '2' 43SET @@session.sql_big_tables = "T"; 44ERROR 42000: Variable 'sql_big_tables' can't be set to the value of 'T' 45SET @@session.sql_big_tables = "Y"; 46ERROR 42000: Variable 'sql_big_tables' can't be set to the value of 'Y' 47SET @@session.sql_big_tables = TR�E; 48ERROR 42000: Variable 'sql_big_tables' can't be set to the value of 'TR�E' 49SET @@session.sql_big_tables = �N; 50ERROR 42000: Variable 'sql_big_tables' can't be set to the value of '�N' 51SET @@session.sql_big_tables = OF; 52ERROR 42000: Variable 'sql_big_tables' can't be set to the value of 'OF' 53SET @@session.sql_big_tables = �FF; 54ERROR 42000: Variable 'sql_big_tables' can't be set to the value of '�FF' 55SET @@session.sql_big_tables = '�'; 56ERROR 42000: Variable 'sql_big_tables' can't be set to the value of '�' 57SET @@session.sql_big_tables = NO; 58ERROR 42000: Variable 'sql_big_tables' can't be set to the value of 'NO' 59'#-------------------FN_DYNVARS_154_05----------------------------#' 60SET @@global.sql_big_tables = 1-@@global.sql_big_tables; 61SELECT @@global.sql_big_tables; 62@@global.sql_big_tables 631 64SET @@global.sql_big_tables = 1-@@global.sql_big_tables; 65SELECT @@global.sql_big_tables; 66@@global.sql_big_tables 670 68'#----------------------FN_DYNVARS_154_06------------------------#' 69SELECT count(VARIABLE_VALUE) 70FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 71WHERE VARIABLE_NAME='sql_big_tables'; 72count(VARIABLE_VALUE) 731 74'#----------------------FN_DYNVARS_154_07------------------------#' 75SELECT IF(@@session.sql_big_tables, "ON", "OFF") = VARIABLE_VALUE 76FROM INFORMATION_SCHEMA.SESSION_VARIABLES 77WHERE VARIABLE_NAME='sql_big_tables'; 78IF(@@session.sql_big_tables, "ON", "OFF") = VARIABLE_VALUE 791 80SELECT @@session.sql_big_tables; 81@@session.sql_big_tables 821 83SELECT VARIABLE_VALUE 84FROM INFORMATION_SCHEMA.SESSION_VARIABLES 85WHERE VARIABLE_NAME='sql_big_tables'; 86VARIABLE_VALUE 87ON 88'#---------------------FN_DYNVARS_154_08-------------------------#' 89SET @@session.sql_big_tables = OFF; 90SELECT @@session.sql_big_tables; 91@@session.sql_big_tables 920 93SET @@session.sql_big_tables = ON; 94SELECT @@session.sql_big_tables; 95@@session.sql_big_tables 961 97'#---------------------FN_DYNVARS_154_09----------------------#' 98SET @@session.sql_big_tables = TRUE; 99SELECT @@session.sql_big_tables; 100@@session.sql_big_tables 1011 102SET @@session.sql_big_tables = FALSE; 103SELECT @@session.sql_big_tables; 104@@session.sql_big_tables 1050 106SET @@session.sql_big_tables = @session_start_value; 107SELECT @@session.sql_big_tables; 108@@session.sql_big_tables 1090 110