Merge with MariaDB 5.1.49

Removed references to HA_END_SPACE_KEY (which has been 0 for a long time)

1 files changed, 17 insertions, 2 deletions

diff --git a/sql/sql_class.h b/sql/sql_class.h
index 3680e28246e..2240236a0e5 100644
--- a/sql/sql_class.h
+++ b/sql/sql_class.h
@@ -1745,8 +1745,15 @@ public:
   */
   ha_rows    sent_row_count;
 
-  /*
-    number of rows we read, sent or not, including in create_sort_index()
+  /**
+    Number of rows read and/or evaluated for a statement. Used for
+    slow log reporting.
+
+    An examined row is defined as a row that is read and/or evaluated
+    according to a statement condition, including in
+    create_sort_index(). Rows may be counted more than once, e.g., a
+    statement including ORDER BY could possibly evaluate the row in
+    filesort() before reading it for e.g. update.
   */
   ha_rows    examined_row_count;
 
@@ -2073,6 +2080,11 @@ public:
     start_time= user_time= t;
     start_utime= utime_after_lock= my_micro_time();
   }
+  /*TODO: this will be obsolete when we have support for 64 bit my_time_t */
+  inline bool	is_valid_time() 
+  { 
+    return (start_time < (time_t) MY_TIME_T_MAX); 
+  }
   void set_time_after_lock()  { utime_after_lock= my_micro_time(); }
   ulonglong current_utime()  { return my_micro_time(); }
   inline ulonglong found_rows(void)
@@ -3001,6 +3013,9 @@ public:
   void reset();
   bool walk(tree_walk_action action, void *walk_action_arg);
 
+  uint get_size() const { return size; }
+  ulonglong get_max_in_memory_size() const { return max_in_memory_size; }
+
   friend int unique_write_to_file(uchar* key, element_count count, Unique *unique);
   friend int unique_write_to_ptrs(uchar* key, element_count count, Unique *unique);
 };