-/*
- * Copyright (c) 1996-1998, Index Data.
- * See the file LICENSE for details.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: merge.c,v $
- * Revision 1.11 1999-05-26 07:49:14 adam
- * C++ compilation.
- *
- * Revision 1.10 1998/03/19 12:22:09 adam
- * Minor change.
- *
- * Revision 1.9 1998/03/19 10:04:38 adam
- * Minor changes.
- *
- * Revision 1.8 1998/03/18 09:23:55 adam
- * Blocks are stored in chunks on free list - up to factor 2 in speed.
- * Fixed bug that could occur in block category rearrangemen.
- *
- * Revision 1.7 1998/03/11 11:18:18 adam
- * Changed the isc_merge to take into account the mfill (minimum-fill).
- *
- * Revision 1.6 1998/03/06 13:54:03 adam
- * Fixed two nasty bugs in isc_merge.
- *
- * Revision 1.5 1997/02/12 20:42:43 adam
- * Bug fix: during isc_merge operations, some pages weren't marked dirty
- * even though they should be. At this point the merge operation marks
- * a page dirty if the previous page changed at all. A better approach is
- * to mark it dirty if the last key written changed in previous page.
- *
- * Revision 1.4 1996/11/08 11:15:31 adam
- * Number of keys in chain are stored in first block and the function
- * to retrieve this information, isc_pp_num is implemented.
- *
- * Revision 1.3 1996/11/04 14:08:59 adam
- * Optimized free block usage.
- *
- * Revision 1.2 1996/11/01 13:36:46 adam
- * New element, max_blocks_mem, that control how many blocks of max size
- * to store in memory during isc_merge.
- * Function isc_merge now ignores delete/update of identical keys and
- * the proper blocks are then non-dirty and not written in flush_blocks.
- *
- * Revision 1.1 1996/11/01 08:59:15 adam
- * First version of isc_merge that supports update/delete.
- *
- */
+/* $Id: merge.c,v 1.21 2002-08-02 19:26:56 adam Exp $
+ Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
+ Index Data Aps
+
+This file is part of the Zebra server.
+
+Zebra 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, or (at your option) any later
+version.
+
+Zebra 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 Zebra; see the file LICENSE.zebra. If not, write to the
+Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.
+*/
+
+
#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include <stdio.h>
-
-#include <log.h>
+#include <yaz/log.h>
#include "isamc-p.h"
struct isc_merge_block {
return cat + firstpos * 8;
}
+/*
+ * $Log: merge.c,v $
+ * Revision 1.21 2002-08-02 19:26:56 adam
+ * Towards GPL
+ *
+ * Revision 1.20 1999/11/30 13:48:04 adam
+ * Improved installation. Updated for inclusion of YAZ header files.
+ *
+ * Revision 1.19 1999/07/14 12:12:07 heikki
+ * Large-block isam-h (may not work too well... Abandoning for isam-d)
+ *
+ * Revision 1.17 1999/07/13 14:22:17 heikki
+ * Better allocation strategy in isamh_merge
+ *
+ * Revision 1.16 1999/07/08 14:23:27 heikki
+ * Fixed a bug in isamh_pp_read and cleaned up a bit
+ *
+ * Revision 1.15 1999/07/07 09:36:04 heikki
+ * Fixed an assertion in isamh
+ *
+ * Revision 1.13 1999/07/06 09:37:05 heikki
+ * Working on isamh - not ready yet.
+ *
+ * Revision 1.12 1999/06/30 15:03:55 heikki
+ * first take on isamh, the append-only isam structure
+ *
+ * Revision 1.11 1999/05/26 07:49:14 adam
+ * C++ compilation.
+ *
+ * Revision 1.10 1998/03/19 12:22:09 adam
+ * Minor change.
+ *
+ * Revision 1.9 1998/03/19 10:04:38 adam
+ * Minor changes.
+ *
+ * Revision 1.8 1998/03/18 09:23:55 adam
+ * Blocks are stored in chunks on free list - up to factor 2 in speed.
+ * Fixed bug that could occur in block category rearrangemen.
+ *
+ * Revision 1.7 1998/03/11 11:18:18 adam
+ * Changed the isc_merge to take into account the mfill (minimum-fill).
+ *
+ * Revision 1.6 1998/03/06 13:54:03 adam
+ * Fixed two nasty bugs in isc_merge.
+ *
+ * Revision 1.5 1997/02/12 20:42:43 adam
+ * Bug fix: during isc_merge operations, some pages weren't marked dirty
+ * even though they should be. At this point the merge operation marks
+ * a page dirty if the previous page changed at all. A better approach is
+ * to mark it dirty if the last key written changed in previous page.
+ *
+ * Revision 1.4 1996/11/08 11:15:31 adam
+ * Number of keys in chain are stored in first block and the function
+ * to retrieve this information, isc_pp_num is implemented.
+ *
+ * Revision 1.3 1996/11/04 14:08:59 adam
+ * Optimized free block usage.
+ *
+ * Revision 1.2 1996/11/01 13:36:46 adam
+ * New element, max_blocks_mem, that control how many blocks of max size
+ * to store in memory during isc_merge.
+ * Function isc_merge now ignores delete/update of identical keys and
+ * the proper blocks are then non-dirty and not written in flush_blocks.
+ *
+ * Revision 1.1 1996/11/01 08:59:15 adam
+ * First version of isc_merge that supports update/delete.
+ *
+ */
+
+
projects / idzebra-moved-to-github.git / blobdiff