1 files changed, 97 insertions, 0 deletions
diff --git a/storage/myisammrg/myrg_extra.c b/storage/myisammrg/myrg_extra.c
new file mode 100644
index 00000000..2b3861b9
--- /dev/null
+++ b/storage/myisammrg/myrg_extra.c
@@ -0,0 +1,97 @@
+/* Copyright (c) 2000-2003, 2005-2007 MySQL AB, 2009 Sun Microsystems, Inc.
+   Use is subject to license terms.
+
+   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; version 2 of the License.
+
+   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  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 myrg_rrnd when we are changing database.
+*/
+
+#include "myrg_def.h"
+
+int myrg_extra(MYRG_INFO *info,enum ha_extra_function function,
+	       void *extra_arg)
+{
+  int error,save_error=0;
+  MYRG_TABLE *file;
+  DBUG_ENTER("myrg_extra");
+  DBUG_PRINT("info",("function: %lu", (ulong) function));
+
+  if (!info->children_attached)
+    DBUG_RETURN(0);
+  if (function == HA_EXTRA_CACHE)
+  {
+    info->cache_in_use=1;
+    info->cache_size= (extra_arg ? *(ulong*) extra_arg :
+		       my_default_record_cache_size);
+  }
+  else
+  {
+    if (function == HA_EXTRA_NO_CACHE ||
+        function == HA_EXTRA_PREPARE_FOR_UPDATE)
+      info->cache_in_use=0;
+    if (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++)
+    {
+      if ((error=mi_extra(file->table, function, extra_arg)))
+	save_error=error;
+    }
+  }
+  DBUG_RETURN(save_error);
+}
+
+
+void myrg_extrafunc(MYRG_INFO *info, invalidator_by_filename inv)
+{
+  MYRG_TABLE *file;
+  DBUG_ENTER("myrg_extrafunc");
+
+  for (file=info->open_tables ; file != info->end_table ; file++)
+    file->table->s->invalidator = inv;
+
+  DBUG_VOID_RETURN;
+}
+
+
+int myrg_reset(MYRG_INFO *info)
+{
+  int save_error= 0;
+  MYRG_TABLE *file;
+  DBUG_ENTER("myrg_reset");
+
+  info->cache_in_use=0;
+  info->current_table=0;
+  info->last_used_table= info->open_tables;
+
+  /*
+    This is normally called with detached children.
+    Return OK as this is the normal case.
+  */
+  if (!info->children_attached)
+    DBUG_RETURN(0);
+
+  for (file=info->open_tables ; file != info->end_table ; file++)
+  {
+    int error;
+    if ((error= mi_reset(file->table)))
+      save_error=error;
+  }
+  DBUG_RETURN(save_error);
+}