bk commit into 4.1 tree (SergeyV:1.2393) BUG#12517

[sergeyv]

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ChangeSet
  1.2393 05/08/24 19:52:28 SergeyV@selena. +2 -0
  Fixes bug #12517. Delays final release of thread memory context until 
  the very last stage of thread cleanup.

  sql/sql_parse.cc
    1.461 05/08/24 19:52:21 SergeyV@selena. +1 -1
    Fixes bug #12517. Delays final release of thread memory context until 
    the very last stage of thread cleanup.

  sql/sql_class.cc
    1.201 05/08/24 19:52:20 SergeyV@selena. +1 -0
    Fixes bug #12517. Delays final release of thread memory context until 
    the very last stage of thread cleanup.

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	SergeyV
# Host:	selena.
# Root:	H:/MYSQL/src/mysql-4.1-dev

--- 1.200/sql/sql_class.cc	2005-06-07 17:29:27 +04:00
+++ 1.201/sql/sql_class.cc	2005-08-24 19:52:20 +04:00
@@ -368,6 +368,7 @@
     pthread_mutex_unlock(&LOCK_user_locks);
     ull= 0;
   }
+  free_root(this->mem_root,MYF(0));
   cleanup_done=1;
   DBUG_VOID_RETURN;
 }

--- 1.460/sql/sql_parse.cc	2005-08-15 19:36:16 +04:00
+++ 1.461/sql/sql_parse.cc	2005-08-24 19:52:21 +04:00
@@ -1047,7 +1047,7 @@
     }
     if (thd->user_connect)
       decrease_user_connections(thd->user_connect);
-    free_root(thd->mem_root,MYF(0));
+    free_root(thd->mem_root,MYF(MY_KEEP_PREALLOC));
     if (net->error && net->vio != 0 && net->report_error)
     {
       if (!thd->killed && thd->variables.log_warnings > 1)