1CREATE TABLE valid_values (value varchar(255)) ENGINE=myisam;
2INSERT INTO valid_values VALUES(1);
3INSERT INTO valid_values VALUES(0);
4INSERT INTO valid_values VALUES('on');
5INSERT INTO valid_values VALUES('off');
6INSERT INTO valid_values VALUES('true');
7INSERT INTO valid_values VALUES('false');
8CREATE TABLE invalid_values (value varchar(255)) ENGINE=myisam;
9INSERT INTO invalid_values VALUES('\'aaa\'');
10INSERT INTO invalid_values VALUES('\'bbb\'');
11SET @start_global_value = @@global.ROCKSDB_CACHE_INDEX_AND_FILTER_WITH_HIGH_PRIORITY;
12SELECT @start_global_value;
13@start_global_value
141
15"Trying to set variable @@global.ROCKSDB_CACHE_INDEX_AND_FILTER_WITH_HIGH_PRIORITY to 444. It should fail because it is readonly."
16SET @@global.ROCKSDB_CACHE_INDEX_AND_FILTER_WITH_HIGH_PRIORITY   = 444;
17ERROR HY000: Variable 'rocksdb_cache_index_and_filter_with_high_priority' is a read only variable
18DROP TABLE valid_values;
19DROP TABLE invalid_values;
20