ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '.' at line 1
SELECT @@global.query_prealloc_size ;
@@global.query_prealloc_size
429496728576
8192
SET @@global.query_prealloc_size = test;
ERROR 42000: Incorrect argument type to variable 'query_prealloc_size'
SELECT @@global.query_prealloc_size ;
@@global.query_prealloc_size
429496728576
8192
SET @@global.query_prealloc_size = "test";
ERROR 42000: Incorrect argument type to variable 'query_prealloc_size'
SELECT @@global.query_prealloc_size ;
@@global.query_prealloc_size
429496728576
8192
SET @@global.query_prealloc_size = 'test';
ERROR 42000: Incorrect argument type to variable 'query_prealloc_size'
SELECT @@global.query_prealloc_size ;
@@global.query_prealloc_size
429496728576
8192
SET @@global.query_prealloc_size = ON;
ERROR 42000: Incorrect argument type to variable 'query_prealloc_size'