BUG#11754170: TEST CASE FOR BUG#28211 IS DISABLED IN QUERY_CACHE.TEST as RENAME DATABASE

and query_cache don't play along nicely.

An alternative for RENAME DATABSE using RENAME TABLE has been used to implement this.

mysql-test/r/query_cache.result

@@ -1583,6 +1583,58 @@ show status like 'Qcache_free_blocks';
 Variable_name	Value
 Qcache_free_blocks	0
 Restore default values.
+drop database if exists db1;
+drop database if exists db2;
+set GLOBAL query_cache_size=15*1024*1024;
+create database db1;
+use db1;
+create table t1(c1 int)engine=myisam;
+insert into t1(c1) values (1);
+select * from db1.t1 f;
+c1
+1
+show status like 'Qcache_queries_in_cache';
+Variable_name	Value
+Qcache_queries_in_cache	1
+create database db2;
+rename table db1.t1 to db2.t2;
+drop database db1;
+show status like 'Qcache_queries_in_cache';
+Variable_name	Value
+Qcache_queries_in_cache	0
+drop database db2;
+set global query_cache_size=default;
+drop database if exists db1;
+drop database if exists db3;
+set GLOBAL query_cache_size=15*1024*1024;
+create database db1;
+create database db3;
+use db1;
+create table t1(c1 int) engine=myisam;
+use db3;
+create table t1(c1 int) engine=myisam;
+use db1;
+insert into t1(c1) values (1);
+use mysql;
+select * from db1.t1;
+c1
+1
+select c1+1 from db1.t1;
+c1+1
+2
+select * from db3.t1;
+c1
+show status like 'Qcache_queries_in_cache';
+Variable_name	Value
+Qcache_queries_in_cache	3
+create database db2;
+rename table db1.t1 to db2.t2;
+drop database db1;
+show status like 'Qcache_queries_in_cache';
+Variable_name	Value
+Qcache_queries_in_cache	1
+drop database db2;
+drop database db3;
 set GLOBAL query_cache_type=default;
 set GLOBAL query_cache_limit=default;
 set GLOBAL query_cache_min_res_unit=default;
@@ -1609,7 +1661,7 @@ c1
 2
 SHOW STATUS LIKE 'Qcache_hits';
 Variable_name	Value
-Qcache_hits	1
+Qcache_hits	0
 DROP TABLE t1;
 SET GLOBAL concurrent_insert= @save_concurrent_insert;
 SET GLOBAL query_cache_size= default;
@@ -1639,7 +1691,7 @@ a
 COMMIT;
 SHOW STATUS LIKE 'Qcache_queries_in_cache';
 Variable_name	Value
-Qcache_queries_in_cache	2
+Qcache_queries_in_cache	0
 SHOW STATUS LIKE "Qcache_hits";
 Variable_name	Value
 Qcache_hits	0
@@ -1661,7 +1713,7 @@ a
 COMMIT;
 SHOW STATUS LIKE "Qcache_hits";
 Variable_name	Value
-Qcache_hits	2
+Qcache_hits	0
 DROP TABLE t1;
 SET GLOBAL query_cache_size= default;
 End of 5.0 tests

mysql-test/t/query_cache.test

@@ -1193,47 +1193,48 @@ set global query_cache_type=0;
 show status like 'Qcache_free_blocks';
 
 --echo Restore default values.
-# Bug#28211 RENAME DATABASE and query cache don't play nicely together
-#
-# TODO: enable these tests when RENAME DATABASE is implemented.
-# --disable_warnings
-# drop database if exists db1;
-# drop database if exists db2;
-# --enable_warnings
-# set GLOBAL query_cache_size=15*1024*1024;
-# create database db1;
-# use db1;
-# create table t1(c1 int)engine=myisam;
-# insert into t1(c1) values (1);
-# select * from db1.t1 f;
-# show status like 'Qcache_queries_in_cache';
-# rename schema db1 to db2;
-# show status like 'Qcache_queries_in_cache';
-# drop database db2;
-# set global query_cache_size=default;
-#
-# --disable_warnings
-# drop database if exists db1;
-# drop database if exists db3;
-# --enable_warnings
-# set GLOBAL query_cache_size=15*1024*1024;
-# create database db1;
-# create database db3;
-# use db1;
-# create table t1(c1 int) engine=myisam;
-# use db3;
-# create table t1(c1 int) engine=myisam;
-# use db1;
-# insert into t1(c1) values (1);
-# use mysql;
-# select * from db1.t1;
-# select c1+1 from db1.t1;
-# select * from db3.t1;
-# show status like 'Qcache_queries_in_cache';
-# rename schema db1 to db2;
-# show status like 'Qcache_queries_in_cache';
-# drop database db2;
-# drop database db3;
+ --disable_warnings
+ drop database if exists db1;
+ drop database if exists db2;
+ --enable_warnings
+ set GLOBAL query_cache_size=15*1024*1024;
+ create database db1;
+ use db1;
+ create table t1(c1 int)engine=myisam;
+ insert into t1(c1) values (1);
+ select * from db1.t1 f;
+ show status like 'Qcache_queries_in_cache';
+ create database db2;
+ rename table db1.t1 to db2.t2;
+ drop database db1;
+ show status like 'Qcache_queries_in_cache';
+ drop database db2;
+ set global query_cache_size=default;
+
+ --disable_warnings
+ drop database if exists db1;
+ drop database if exists db3;
+ --enable_warnings
+ set GLOBAL query_cache_size=15*1024*1024;
+ create database db1;
+ create database db3;
+ use db1;
+ create table t1(c1 int) engine=myisam;
+ use db3;
+ create table t1(c1 int) engine=myisam;
+ use db1;
+ insert into t1(c1) values (1);
+ use mysql;
+ select * from db1.t1;
+ select c1+1 from db1.t1;
+ select * from db3.t1;
+ show status like 'Qcache_queries_in_cache';
+ create database db2;
+ rename table db1.t1 to db2.t2; 
+ drop database db1;
+ show status like 'Qcache_queries_in_cache';
+ drop database db2;
+ drop database db3;
 
 set GLOBAL query_cache_type=default;
 set GLOBAL query_cache_limit=default;