1 files changed, 52 insertions, 0 deletions
diff --git a/heap/hp_clear.c b/heap/hp_clear.c
new file mode 100644
index 00000000000..702c2e09d29
--- /dev/null
+++ b/heap/hp_clear.c
@@ -0,0 +1,52 @@
+/* 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 */
+
+/*
+  remove all records from database
+  Identical as hp_create() and hp_open() but used HP_SHARE* instead of name and
+  database remains open.
+*/
+
+#include "heapdef.h"
+
+void heap_clear(HP_INFO *info)
+{
+  _hp_clear(info->s);
+}
+
+void _hp_clear(HP_SHARE *info)
+{
+  uint key;
+  DBUG_ENTER("_hp_clear");
+
+  if (info->block.levels)
+    VOID(_hp_free_level(&info->block,info->block.levels,info->block.root,
+			(byte*) 0));
+  info->block.levels=0;
+  for (key=0 ; key < info->keys ; key++)
+  {
+    HP_BLOCK *block= &info->keydef[key].block;
+    if (block->levels)
+      VOID(_hp_free_level(block,block->levels,block->root,(byte*) 0));
+    block->levels=0;
+    block->last_allocated=0;
+  }
+  info->records=info->deleted=info->data_length=info->index_length=0;;
+  info->blength=1;
+  info->changed=0;
+  info->del_link=0;
+  DBUG_VOID_RETURN;
+}