Merge to mysql-next-mr

1 files changed, 12 insertions, 2 deletions

diff --git a/sql/ha_partition.h b/sql/ha_partition.h
index 2f0ce6e7910..ea1ef4d05fc 100644
--- a/sql/ha_partition.h
+++ b/sql/ha_partition.h
@@ -176,6 +176,11 @@ private:
     This to ensure it will work with statement based replication.
   */
   bool auto_increment_safe_stmt_log_lock;
+  /** For optimizing ha_start_bulk_insert calls */
+  MY_BITMAP m_bulk_insert_started;
+  ha_rows   m_bulk_inserted_rows;
+  /** used for prediction of start_bulk_insert rows */
+  enum_monotonicity_info m_part_func_monotonicity_info;
 public:
   handler *clone(MEM_ROOT *mem_root);
   virtual void set_part_info(partition_info *part_info)
@@ -353,7 +358,6 @@ public:
     Bulk inserts are supported if all underlying handlers support it.
     start_bulk_insert and end_bulk_insert is called before and after a
     number of calls to write_row.
-    Not yet though.
   */
   virtual int write_row(uchar * buf);
   virtual int update_row(const uchar * old_data, uchar * new_data);
@@ -361,6 +365,10 @@ public:
   virtual int delete_all_rows(void);
   virtual void start_bulk_insert(ha_rows rows);
   virtual int end_bulk_insert();
+private:
+  ha_rows guess_bulk_insert_rows();
+  void start_part_bulk_insert(uint part_id);
+public:
 
   virtual bool is_fatal_error(int error, uint flags)
   {
@@ -936,9 +944,11 @@ private:
       auto_increment_lock= FALSE;
     }
   }
-  virtual void set_auto_increment_if_higher(const ulonglong nr)
+  virtual void set_auto_increment_if_higher(Field *field)
   {
     HA_DATA_PARTITION *ha_data= (HA_DATA_PARTITION*) table_share->ha_data;
+    ulonglong nr= (((Field_num*) field)->unsigned_flag ||
+                   field->val_int() > 0) ? field->val_int() : 0;
     lock_auto_increment();
     DBUG_ASSERT(ha_data->auto_inc_initialized == TRUE);
     /* must check when the mutex is taken */