1set @save_query_cache_size=@@query_cache_size;
2set GLOBAL query_cache_size=1355776;
3set GLOBAL query_cache_type=ON;
4set LOCAL query_cache_type=ON;
5drop database if exists MySQLtesT;
6create database MySQLtesT;
7create table MySQLtesT.t1 (a int);
8select * from MySQLtesT.t1;
9a
10show status like "Qcache_queries_in_cache";
11Variable_name	Value
12Qcache_queries_in_cache	1
13drop database mysqltest;
14show status like "Qcache_queries_in_cache";
15Variable_name	Value
16Qcache_queries_in_cache	0
17use MySQL;
18select * from db;
19show status like "Qcache_queries_in_cache";
20Variable_name	Value
21Qcache_queries_in_cache	0
22use test;
23select * from MySQL.db;
24show status like "Qcache_queries_in_cache";
25Variable_name	Value
26Qcache_queries_in_cache	0
27set GLOBAL query_cache_size=@save_query_cache_size;
28set GLOBAL query_cache_type=default;
29