CREATE TABLE valid_values (value varchar(255));
INSERT INTO valid_values VALUES(0);
INSERT INTO valid_values VALUES(8<<32);
INSERT INTO valid_values VALUES(3);
CREATE TABLE invalid_values (value varchar(255));
INSERT INTO invalid_values VALUES('\'abc\'');
INSERT INTO invalid_values VALUES('\'cde\'');
INSERT INTO invalid_values VALUES('\'-1\'');
SET @start_global_value = @@global.XENGINE_COMPACT_CF;
SELECT @start_global_value;
@start_global_value
0
'# Setting to valid values in global scope#'
"Trying to set variable @@global.XENGINE_COMPACT_CF to 0"
SET @@global.XENGINE_COMPACT_CF   = 0;
SELECT @@global.XENGINE_COMPACT_CF;
@@global.XENGINE_COMPACT_CF
0
"Setting the global scope variable back to default"
SET @@global.XENGINE_COMPACT_CF = DEFAULT;
SELECT @@global.XENGINE_COMPACT_CF;
@@global.XENGINE_COMPACT_CF
0
"Trying to set variable @@global.XENGINE_COMPACT_CF to 34359738368"
SET @@global.XENGINE_COMPACT_CF   = 34359738368;
SELECT @@global.XENGINE_COMPACT_CF;
@@global.XENGINE_COMPACT_CF
0
"Setting the global scope variable back to default"
SET @@global.XENGINE_COMPACT_CF = DEFAULT;
SELECT @@global.XENGINE_COMPACT_CF;
@@global.XENGINE_COMPACT_CF
0
"Trying to set variable @@global.XENGINE_COMPACT_CF to 3"
SET @@global.XENGINE_COMPACT_CF   = 3;
SELECT @@global.XENGINE_COMPACT_CF;
@@global.XENGINE_COMPACT_CF
0
"Setting the global scope variable back to default"
SET @@global.XENGINE_COMPACT_CF = DEFAULT;
SELECT @@global.XENGINE_COMPACT_CF;
@@global.XENGINE_COMPACT_CF
0
"Trying to set variable @@session.XENGINE_COMPACT_CF to 444. It should fail because it is not session."
SET @@session.XENGINE_COMPACT_CF   = 444;
ERROR HY000: Variable 'xengine_compact_cf' is a GLOBAL variable and should be set with SET GLOBAL
'# Testing with invalid values in global scope #'
"Trying to set variable @@global.XENGINE_COMPACT_CF to 'abc'"
SET @@global.XENGINE_COMPACT_CF   = 'abc';
Got one of the listed errors
SELECT @@global.XENGINE_COMPACT_CF;
@@global.XENGINE_COMPACT_CF
0
"Trying to set variable @@global.XENGINE_COMPACT_CF to 'cde'"
SET @@global.XENGINE_COMPACT_CF   = 'cde';
Got one of the listed errors
SELECT @@global.XENGINE_COMPACT_CF;
@@global.XENGINE_COMPACT_CF
0
"Trying to set variable @@global.XENGINE_COMPACT_CF to '-1'"
SET @@global.XENGINE_COMPACT_CF   = '-1';
Got one of the listed errors
SELECT @@global.XENGINE_COMPACT_CF;
@@global.XENGINE_COMPACT_CF
0
SET @@global.XENGINE_COMPACT_CF = @start_global_value;
SELECT @@global.XENGINE_COMPACT_CF;
@@global.XENGINE_COMPACT_CF
0
DROP TABLE valid_values;
DROP TABLE invalid_values;