1 files changed, 14 insertions, 7 deletions

diff --git a/sql/sql_cache.cc b/sql/sql_cache.cc
index f862cbed4f1..8114e0221d6 100644
--- a/sql/sql_cache.cc
+++ b/sql/sql_cache.cc
@@ -333,6 +333,7 @@ TODO list:
 #include <hash.h>
 #include "../storage/myisammrg/ha_myisammrg.h"
 #include "../storage/myisammrg/myrg_def.h"
+#include "probes_mysql.h"
 
 #ifdef EMBEDDED_LIBRARY
 #include "emb_qcache.h"
@@ -1334,14 +1335,18 @@ end:
   Check if the query is in the cache. If it was cached, send it
   to the user.
 
-  RESULTS
-        1	Query was not cached.
-	0	The query was cached and user was sent the result.
-	-1	The query was cached but we didn't have rights to use it.
-		No error is sent to the client yet.
+  @param thd Pointer to the thread handler
+  @param sql A pointer to the sql statement *
+  @param query_length Length of the statement in characters
+ 
+  @return status code
+  @retval 1  Query was not cached.
+  @retval 0  The query was cached and user was sent the result.
+  @retval -1 The query was cached but we didn't have rights to use it. 
+  
+  In case of -1, no error is sent to the client.
 
-  NOTE
-  This method requires that sql points to allocated memory of size:
+  *) The buffer must be allocated memory of size:
   tot_length= query_length + thd->db_length + 1 + QUERY_CACHE_FLAGS_SIZE;
 */
 
@@ -1656,11 +1661,13 @@ def_week_frmt: %lu, in_trans: %d, autocommit: %d",
   thd->main_da.disable_status();
 
   BLOCK_UNLOCK_RD(query_block);
+  MYSQL_QUERY_CACHE_HIT(thd->query(), (ulong) thd->limit_found_rows);
   DBUG_RETURN(1);				// Result sent to client
 
 err_unlock:
   unlock();
 err:
+  MYSQL_QUERY_CACHE_MISS(thd->query());
   DBUG_RETURN(0);				// Query was not cached
 }