1 files changed, 35 insertions, 0 deletions
diff --git a/isam/changed.c b/isam/changed.c
new file mode 100644
index 00000000000..4f87a45aa2d
--- /dev/null
+++ b/isam/changed.c
@@ -0,0 +1,35 @@
+/* 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 */
+
+/* Check if somebody has changed table since last check. */
+
+#include "isamdef.h"
+
+       /* Return 0 if table isn't changed */
+
+int nisam_is_changed(N_INFO *info)
+{
+  int result;
+  DBUG_ENTER("nisam_is_changed");
+#ifndef NO_LOCKING
+  if (_nisam_readinfo(info,F_RDLCK,1)) DBUG_RETURN(-1);
+  VOID(_nisam_writeinfo(info,0));
+#endif
+  result=(int) info->data_changed;
+  info->data_changed=0;
+  DBUG_PRINT("exit",("result: %d",result));
+  DBUG_RETURN(result);
+}