SET @start_value = @@global.log_output;
SELECT @start_value;
@start_value
FILE '#--------------------FN_DYNVARS_065_01------------------------#' SET @@global.log_output = FILE; SET @@global.log_output = DEFAULT;
SELECT @@global.log_output;
@@global.log_output
FILE '#---------------------FN_DYNVARS_065_02-------------------------#' SET @@global.log_output = NULL; ERROR42000: Variable 'log_output' can't be set to the value of 'NULL' SET @@global.log_output = ""; ERROR42000: Variable 'log_output' can't be set to the value of '' '#--------------------FN_DYNVARS_065_03------------------------#' SET @@global.log_output = 'TABLE';
SELECT @@global.log_output;
@@global.log_output
TABLE SET @@global.log_output = 'FILE';
SELECT @@global.log_output;
@@global.log_output
FILE SET @@global.log_output = 'NONE';
SELECT @@global.log_output;
@@global.log_output
NONE SET @@global.log_output = 'FILE,TABLE';
SELECT @@global.log_output;
@@global.log_output
FILE,TABLE SET @@global.log_output = 'TABLE,FILE';
SELECT @@global.log_output;
@@global.log_output
FILE,TABLE SET @@global.log_output = 'NONE,TABLE';
SELECT @@global.log_output;
@@global.log_output
NONE,TABLE SET @@global.log_output = 'NONE,FILE';
SELECT @@global.log_output;
@@global.log_output
NONE,FILE SET @@global.log_output = 'FILE,TABLE,NONE';
SELECT @@global.log_output;
@@global.log_output
NONE,FILE,TABLE SET @@global.log_output = 'TABLE,NONE';
SELECT @@global.log_output;
@@global.log_output
NONE,TABLE SET @@global.log_output = 'TABLE,TABLE';
SELECT @@global.log_output;
@@global.log_output
TABLE SET @@global.log_output = ',TABLE';
SELECT @@global.log_output;
@@global.log_output
TABLE SET @@global.log_output = 'TABLE,,FILE,,,';
SELECT @@global.log_output;
@@global.log_output
FILE,TABLE '#--------------------FN_DYNVARS_065_04-------------------------#' SET @@global.log_output = -1; ERROR42000: Variable 'log_output' can't be set to the value of '-1' SET @@global.log_output = TAB; ERROR42000: Variable 'log_output' can't be set to the value of 'TAB' SET @@global.log_output = NIL; ERROR42000: Variable 'log_output' can't be set to the value of 'NIL' SET @@global.log_output = 'FIL'; ERROR42000: Variable 'log_output' can't be set to the value of 'FIL' SET @@global.log_output = 'T'; ERROR42000: Variable 'log_output' can't be set to the value of 'T' SET @@global.log_output = 'TABLE, FILE'; ERROR42000: Variable 'log_output' can't be set to the value of ' FILE' SET @@global.log_output = ' TABLE,FILE'; ERROR42000: Variable 'log_output' can't be set to the value of ' TABLE' '#-------------------FN_DYNVARS_065_05----------------------------#' SET @@log_output = 0; ERROR HY000: Variable 'log_output' is a GLOBAL variable and should be set with SET GLOBAL
SELECT @@session.log_output; ERROR HY000: Variable 'log_output' is a GLOBAL variable '#----------------------FN_DYNVARS_065_06------------------------#'
SELECT @@log_output = VARIABLE_VALUE
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES
WHERE VARIABLE_NAME='log_output';
@@log_output = VARIABLE_VALUE 1 '#---------------------FN_DYNVARS_065_07-------------------------#' SET @@global.log_output = 0; ERROR42000: Variable 'log_output' can't be set to the value of '0'
SELECT @@global.log_output;
@@global.log_output
FILE,TABLE SET @@global.log_output = 1;
SELECT @@global.log_output;
@@global.log_output
NONE SET @@global.log_output = 2;
SELECT @@global.log_output;
@@global.log_output
FILE SET @@global.log_output = 3;
SELECT @@global.log_output;
@@global.log_output
NONE,FILE SET @@global.log_output = 4;
SELECT @@global.log_output;
@@global.log_output
TABLE SET @@global.log_output = 5;
SELECT @@global.log_output;
@@global.log_output
NONE,TABLE SET @@global.log_output = 6;
SELECT @@global.log_output;
@@global.log_output
FILE,TABLE SET @@global.log_output = 7;
SELECT @@global.log_output;
@@global.log_output
NONE,FILE,TABLE SET @@global.log_output = 8; ERROR42000: Variable 'log_output' can't be set to the value of '8' '#---------------------FN_DYNVARS_065_08----------------------#' SET @@global.log_output = TRUE;
SELECT @@global.log_output;
@@global.log_output
NONE SET @@global.log_output = FALSE; ERROR42000: Variable 'log_output' can't be set to the value of '0'
SELECT @@global.log_output;
@@global.log_output
NONE '#---------------------FN_DYNVARS_065_09----------------------#' SET log_output = ON; ERROR HY000: Variable 'log_output' is a GLOBAL variable and should be set with SET GLOBAL SET global log_output = 'TABLE';
SELECT @@global.log_output;
@@global.log_output
TABLE SET @@global.log_output = @start_value;
SELECT @@global.log_output;
@@global.log_output
FILE
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