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-rw-r--r--sql/ha_partition.h20
1 files changed, 17 insertions, 3 deletions
diff --git a/sql/ha_partition.h b/sql/ha_partition.h
index 46e2f447a47..813c0ae8960 100644
--- a/sql/ha_partition.h
+++ b/sql/ha_partition.h
@@ -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;