Merge bk-internal.mysql.com:/home/bk/mysql-4.0

into mysql.com:/home/my/mysql-4.0


sql/sql_table.cc:
  Auto merged

1 files changed, 1 insertions, 5 deletions

diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index a15f8b65006..520cce23797 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -2209,11 +2209,7 @@ copy_data_between_tables(TABLE *from,TABLE *to,
     DBUG_RETURN(-1);				/* purecov: inspected */
 
   if (to->file->external_lock(thd, F_WRLCK))
-  {
-    /* We must always unlock, even when lock failed. */
-    (void) to->file->external_lock(thd, F_UNLCK);
     DBUG_RETURN(-1);
-  }
   to->file->extra(HA_EXTRA_WRITE_CACHE);
   from->file->info(HA_STATUS_VARIABLE);
   to->file->deactivate_non_unique_index(from->file->records);
@@ -2313,11 +2309,11 @@ copy_data_between_tables(TABLE *from,TABLE *to,
     error=1;
   if (ha_commit(thd))
     error=1;
+
  err:
   free_io_cache(from);
   *copied= found_count;
   *deleted=delete_count;
-  /* we must always unlock the table on return. */
   if (to->file->external_lock(thd,F_UNLCK))
     error=1;
   DBUG_RETURN(error > 0 ? -1 : 0);