merge into mysql-5.1

1 files changed, 18 insertions, 4 deletions

diff --git a/sql/ha_partition.h b/sql/ha_partition.h
index 46e2f447a47..7e6b062846a 100644
--- a/sql/ha_partition.h
+++ b/sql/ha_partition.h
@@ -1,5 +1,5 @@
 /*
-   Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
+   Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -219,9 +219,9 @@ public:
   */
     ha_partition(handlerton *hton, TABLE_SHARE * table);
     ha_partition(handlerton *hton, partition_info * part_info);
-    ha_partition(handlerton *hton, TABLE_SHARE *share,

-                 partition_info *part_info_arg,

-                 ha_partition *clone_arg,

+    ha_partition(handlerton *hton, TABLE_SHARE *share,
+                 partition_info *part_info_arg,
+                 ha_partition *clone_arg,
                  MEM_ROOT *clone_mem_root_arg);
    ~ha_partition();
   /*
@@ -553,6 +553,20 @@ public:
   virtual int extra(enum ha_extra_function operation);
   virtual int extra_opt(enum ha_extra_function operation, ulong cachesize);
   virtual int reset(void);
+  /*
+    Do not allow caching of partitioned tables, since we cannot return
+    a callback or engine_data that would work for a generic engine.
+  */
+  virtual my_bool register_query_cache_table(THD *thd, char *table_key,
+                                             uint key_length,
+                                             qc_engine_callback
+                                               *engine_callback,
+                                             ulonglong *engine_data)
+  {
+    *engine_callback= NULL;
+    *engine_data= 0;
+    return FALSE;
+  }
 
 private:
   static const uint NO_CURRENT_PART_ID;