Merge adventure.(none):/home/thek/Development/cpp/bug25132/my50-bug25132

into  adventure.(none):/home/thek/Development/cpp/mysql-5.1-runtime

mysql-test/r/query_cache.result

@@ -1650,6 +1650,16 @@ a	(select count(*) from t2)
 3	0
 4	0
 drop table t1,t2;
+#
+# Bug#25132 disabled query cache: Qcache_free_blocks = 1
+#
+set global query_cache_size=100000;
+set global query_cache_size=0;
+set global query_cache_type=0;
+show status like 'Qcache_free_blocks';
+Variable_name	Value
+Qcache_free_blocks	0
+Restore default values.
 set GLOBAL query_cache_type=default;
 set GLOBAL query_cache_limit=default;
 set GLOBAL query_cache_min_res_unit=default;

mysql-test/t/query_cache.test

@@ -1251,6 +1251,15 @@ disconnect user2;
 disconnect user3;
 
 #
+--echo #
+--echo # Bug#25132 disabled query cache: Qcache_free_blocks = 1
+--echo #
+set global query_cache_size=100000;
+set global query_cache_size=0;
+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.

sql/sql_cache.cc

@@ -1998,6 +1998,7 @@ void Query_cache::make_disabled()
   query_cache_size= 0;
   queries_blocks= 0;
   free_memory= 0;
+  free_memory_blocks= 0;
   bins= 0;
   steps= 0;
   cache= 0;