Correct the value of global memory_used

As a special hack global memory_used isn't SHOW_LONG_STATUS
but still relies on calc_sum_of_all_status() being called.

followup for 63f91927870

1 files changed, 16 insertions, 3 deletions

diff --git a/sql/sql_class.h b/sql/sql_class.h
index fe920270542..c47ea9c9020 100644
--- a/sql/sql_class.h
+++ b/sql/sql_class.h
@@ -865,11 +865,24 @@ void add_to_status(STATUS_VAR *to_var, STATUS_VAR *from_var);
 void add_diff_to_status(STATUS_VAR *to_var, STATUS_VAR *from_var,
                         STATUS_VAR *dec_var);
 
+uint calc_sum_of_all_status(STATUS_VAR *to);
+static inline void calc_sum_of_all_status_if_needed(STATUS_VAR *to)
+{
+  if (to->local_memory_used == 0)
+  {
+    mysql_mutex_lock(&LOCK_status);
+    *to= global_status_var;
+    mysql_mutex_unlock(&LOCK_status);
+    calc_sum_of_all_status(to);
+    DBUG_ASSERT(to->local_memory_used);
+  }
+}
+
 /*
   Update global_memory_used. We have to do this with atomic_add as the
   global value can change outside of LOCK_status.
 */
-inline void update_global_memory_status(int64 size)
+static inline void update_global_memory_status(int64 size)
 {
   DBUG_PRINT("info", ("global memory_used: %lld  size: %lld",
                       (longlong) global_status_var.global_memory_used,
@@ -887,7 +900,7 @@ inline void update_global_memory_status(int64 size)
   @retval         NULL on error
   @retval         Pointter to CHARSET_INFO with the given name on success
 */
-inline CHARSET_INFO *
+static inline CHARSET_INFO *
 mysqld_collation_get_by_name(const char *name,
                              CHARSET_INFO *name_cs= system_charset_info)
 {
@@ -906,7 +919,7 @@ mysqld_collation_get_by_name(const char *name,
   return cs;
 }
 
-inline bool is_supported_parser_charset(CHARSET_INFO *cs)
+static inline bool is_supported_parser_charset(CHARSET_INFO *cs)
 {
   return MY_TEST(cs->mbminlen == 1);
 }