+
+
+/*
+ * $Log: kcompare.c,v $
+ * Revision 1.34 1999-07-14 13:21:34 heikki
+ * Added isam-d files. Compiles (almost) clean. Doesn't work at all
+ *
+ * Revision 1.33 1999/07/14 10:59:26 adam
+ * Changed functions isc_getmethod, isams_getmethod.
+ * Improved fatal error handling (such as missing EXPLAIN schema).
+ *
+ * Revision 1.32 1999/07/13 13:21:15 heikki
+ * Managing negative deltas
+ *
+ * Revision 1.31 1999/07/06 09:37:04 heikki
+ * Working on isamh - not ready yet.
+ *
+ * Revision 1.30 1999/06/30 15:07:23 heikki
+ * Adding isamh stuff
+ *
+ * Revision 1.29 1999/06/30 09:08:23 adam
+ * Added coder to reset.
+ *
+ * Revision 1.28 1999/05/26 07:49:13 adam
+ * C++ compilation.
+ *
+ * Revision 1.27 1999/05/12 13:08:06 adam
+ * First version of ISAMS.
+ *
+ * Revision 1.26 1999/02/02 14:50:54 adam
+ * Updated WIN32 code specific sections. Changed header.
+ *
+ * Revision 1.25 1998/06/08 15:26:06 adam
+ * Minor changes.
+ *
+ * Revision 1.24 1998/06/08 14:43:12 adam
+ * Added suport for EXPLAIN Proxy servers - added settings databasePath
+ * and explainDatabase to facilitate this. Increased maximum number
+ * of databases and attributes in one register.
+ *
+ * Revision 1.23 1998/03/05 08:45:12 adam
+ * New result set model and modular ranking system. Moved towards
+ * descent server API. System information stored as "SGML" records.
+ *
+ * Revision 1.22 1997/09/22 12:39:06 adam
+ * Added get_pos method for the ranked result sets.
+ *
+ * Revision 1.21 1997/09/17 12:19:13 adam
+ * Zebra version corresponds to YAZ version 1.4.
+ * Changed Zebra server so that it doesn't depend on global common_resource.
+ *
+ * Revision 1.20 1996/12/23 15:30:44 adam
+ * Work on truncation.
+ * Bug fix: result sets weren't deleted after server shut down.
+ *
+ * Revision 1.19 1996/12/11 12:08:00 adam
+ * Added better compression.
+ *
+ * Revision 1.18 1996/10/29 14:09:44 adam
+ * Use of cisam system - enabled if setting isamc is 1.
+ *
+ * Revision 1.17 1996/06/04 10:18:58 adam
+ * Minor changes - removed include of ctype.h.
+ *
+ * Revision 1.16 1996/05/13 14:23:05 adam
+ * Work on compaction of set/use bytes in dictionary.
+ *
+ * Revision 1.15 1995/11/20 16:59:46 adam
+ * New update method: the 'old' keys are saved for each records.
+ *
+ * Revision 1.14 1995/10/30 15:08:08 adam
+ * Bug fixes.
+ *
+ * Revision 1.13 1995/10/27 14:00:11 adam
+ * Implemented detection of database availability.
+ *
+ * Revision 1.12 1995/10/17 18:02:08 adam
+ * New feature: databases. Implemented as prefix to words in dictionary.
+ *
+ * Revision 1.11 1995/10/06 16:33:37 adam
+ * Use attribute mappings.
+ *
+ * Revision 1.10 1995/09/29 14:01:41 adam
+ * Bug fixes.
+ *
+ * Revision 1.9 1995/09/28 12:10:32 adam
+ * Bug fixes. Field prefix used in queries.
+ *
+ * Revision 1.8 1995/09/28 09:19:42 adam
+ * xfree/xmalloc used everywhere.
+ * Extract/retrieve method seems to work for text records.
+ *
+ * Revision 1.7 1995/09/27 12:22:28 adam
+ * More work on extract in record control.
+ * Field name is not in isam keys but in prefix in dictionary words.
+ *
+ * Revision 1.6 1995/09/14 07:48:23 adam
+ * Record control management.
+ *
+ * Revision 1.5 1995/09/11 13:09:34 adam
+ * More work on relevance feedback.
+ *
+ * Revision 1.4 1995/09/08 14:52:27 adam
+ * Minor changes. Dictionary is lower case now.
+ *
+ * Revision 1.3 1995/09/07 13:58:36 adam
+ * New parameter: result-set file descriptor (RSFD) to support multiple
+ * positions within the same result-set.
+ * Boolean operators: and, or, not implemented.
+ * Result-set references.
+ *
+ * Revision 1.2 1995/09/06 16:11:17 adam
+ * Option: only one word key per file.
+ *
+ * Revision 1.1 1995/09/04 09:10:36 adam
+ * More work on index add/del/update.
+ * Merge sort implemented.
+ * Initial work on z39 server.
+ *
+ */