1 files changed, 46 insertions, 0 deletions
diff --git a/merge/mrg_extra.c b/merge/mrg_extra.c
new file mode 100644
index 00000000000..d37b1aaa03c
--- /dev/null
+++ b/merge/mrg_extra.c
@@ -0,0 +1,46 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+/*
+  Extra functions we want to do with a database
+  - All flags, exept record-cache-flags, are set in all used databases
+    record-cache-flags are set in mrg_rrnd when we are changing database.
+*/
+
+#include "mrg_def.h"
+
+int mrg_extra(
+MRG_INFO *info,
+enum ha_extra_function function)
+{
+  MRG_TABLE *file;
+
+  if (function == HA_EXTRA_CACHE)
+    info->cache_in_use=1;
+  else
+  {
+    if (function == HA_EXTRA_NO_CACHE || function == HA_EXTRA_RESET)
+      info->cache_in_use=0;
+    if (function == HA_EXTRA_RESET || function == HA_EXTRA_RESET_STATE)
+    {
+      info->current_table=0;
+      info->last_used_table=info->open_tables;
+    }
+    for (file=info->open_tables ; file != info->end_table ; file++)
+      nisam_extra(file->table,function);
+  }
+  return 0;
+}