SET @start_global_value = @@global.log_warnings;
SELECT @start_global_value;
@start_global_value
2
SET @start_session_value = @@session.log_warnings;
SELECT @start_session_value;
@start_session_value
2
'#--------------------FN_DYNVARS_067_01-------------------------#'
SET @@global.log_warnings = 100;
SET @@global.log_warnings = DEFAULT;
SELECT @@global.log_warnings;
@@global.log_warnings
2
SET @@session.log_warnings = 200;
SET @@session.log_warnings = DEFAULT;
SELECT @@session.log_warnings;
@@session.log_warnings
2
'#--------------------FN_DYNVARS_067_02-------------------------#'
SET @@global.log_warnings = DEFAULT;
SELECT @@global.log_warnings = 1;
@@global.log_warnings = 1
0
SET @@session.log_warnings = DEFAULT;
SELECT @@session.log_warnings = 1;
@@session.log_warnings = 1
0
'#--------------------FN_DYNVARS_067_03-------------------------#'
SET @@global.log_warnings = 0;
SELECT @@global.log_warnings;
@@global.log_warnings
0
SET @@global.log_warnings = 1;
SELECT @@global.log_warnings;
@@global.log_warnings
1
SET @@global.log_warnings = 60020;
SELECT @@global.log_warnings;
@@global.log_warnings
60020
SET @@global.log_warnings = 65535;
SELECT @@global.log_warnings;
@@global.log_warnings
65535
SET @@global.log_warnings = 65536;
SELECT @@global.log_warnings;
@@global.log_warnings
65536
'#--------------------FN_DYNVARS_067_04-------------------------#'
SET @@session.log_warnings = 0;
SELECT @@session.log_warnings;
@@session.log_warnings
0
SET @@session.log_warnings = 1;
SELECT @@session.log_warnings;
@@session.log_warnings
1
SET @@session.log_warnings = 50050;
SELECT @@session.log_warnings;
@@session.log_warnings
50050
SET @@session.log_warnings = 65535;
SELECT @@session.log_warnings;
@@session.log_warnings
65535
SET @@session.log_warnings = 65550;
SELECT @@session.log_warnings;
@@session.log_warnings
65550
'#------------------FN_DYNVARS_067_05-----------------------#'
SET @@global.log_warnings = 100000000000;
Warnings:
Warning	1292	Truncated incorrect log_warnings value: '100000000000'
SELECT @@global.log_warnings;
@@global.log_warnings
4294967295
SET @@global.log_warnings = -1024;
Warnings:
Warning	1292	Truncated incorrect log_warnings value: '-1024'
SELECT @@global.log_warnings;
@@global.log_warnings
0
SET @@global.log_warnings = 65530.34;
ERROR 42000: Incorrect argument type to variable 'log_warnings'
SELECT @@global.log_warnings;
@@global.log_warnings
0
SET @@global.log_warnings = test;
ERROR 42000: Incorrect argument type to variable 'log_warnings'
SELECT @@global.log_warnings;
@@global.log_warnings
0
SET @@session.log_warnings = 100000000000;
Warnings:
Warning	1292	Truncated incorrect log_warnings value: '100000000000'
SELECT @@session.log_warnings;
@@session.log_warnings
4294967295
SET @@session.log_warnings = -2;
Warnings:
Warning	1292	Truncated incorrect log_warnings value: '-2'
SELECT @@session.log_warnings;
@@session.log_warnings
0
SET @@session.log_warnings = 65530.34;
ERROR 42000: Incorrect argument type to variable 'log_warnings'
SET @@session.log_warnings = test;
ERROR 42000: Incorrect argument type to variable 'log_warnings'
SELECT @@session.log_warnings;
@@session.log_warnings
0
'#------------------FN_DYNVARS_067_06-----------------------#'
SELECT @@global.log_warnings = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.GLOBAL_VARIABLES 
WHERE VARIABLE_NAME='log_warnings';
@@global.log_warnings = VARIABLE_VALUE
1
'#------------------FN_DYNVARS_067_07-----------------------#'
SELECT @@session.log_warnings = VARIABLE_VALUE 
FROM INFORMATION_SCHEMA.SESSION_VARIABLES 
WHERE VARIABLE_NAME='log_warnings';
@@session.log_warnings = VARIABLE_VALUE
1
'#------------------FN_DYNVARS_067_08-----------------------#'
SET @@global.log_warnings = TRUE;
SELECT @@global.log_warnings;
@@global.log_warnings
1
SET @@global.log_warnings = FALSE;
SELECT @@global.log_warnings;
@@global.log_warnings
0
'#---------------------FN_DYNVARS_067_09----------------------#'
SET @@global.log_warnings = 10;
SELECT @@log_warnings = @@global.log_warnings;
@@log_warnings = @@global.log_warnings
0
'#---------------------FN_DYNVARS_067_10----------------------#'
SET @@log_warnings = 100;
SELECT @@log_warnings = @@local.log_warnings;
@@log_warnings = @@local.log_warnings
1
SELECT @@local.log_warnings = @@session.log_warnings;
@@local.log_warnings = @@session.log_warnings
1
'#---------------------FN_DYNVARS_067_11----------------------#'
SET log_warnings = 1;
SELECT @@log_warnings;
@@log_warnings
1
SELECT local.log_warnings;
ERROR 42S02: Unknown table 'local' in field list
SELECT session.log_warnings;
ERROR 42S02: Unknown table 'session' in field list
SELECT log_warnings = @@session.log_warnings;
ERROR 42S22: Unknown column 'log_warnings' in 'field list'
SET @@global.log_warnings = @start_global_value;
SELECT @@global.log_warnings;
@@global.log_warnings
2
SET @@session.log_warnings = @start_session_value;
SELECT @@session.log_warnings;
@@session.log_warnings
2