+ * Revision 1.17 1997-02-12 20:39:46 adam
+ * Implemented options -f <n> that limits the log to the first <n>
+ * records.
+ * Changed some log messages also.
+ *
+ * Revision 1.16 1996/06/04 10:19:00 adam
+ * Minor changes - removed include of ctype.h.
+ *
+ * Revision 1.15 1996/05/13 14:23:06 adam
+ * Work on compaction of set/use bytes in dictionary.
+ *
+ * Revision 1.14 1996/02/01 20:48:15 adam
+ * The total size of records are always checked in rec_cache_insert to
+ * reduce memory usage.
+ *
+ * Revision 1.13 1995/12/11 09:12:49 adam
+ * The rec_get function returns NULL if record doesn't exist - will
+ * happen in the server if the result set records have been deleted since
+ * the creation of the set (i.e. the search).
+ * The server saves a result temporarily if it is 'volatile', i.e. the
+ * set is register dependent.
+ *
+ * Revision 1.12 1995/12/07 17:38:47 adam
+ * Work locking mechanisms for concurrent updates/commit.
+ *
+ * Revision 1.11 1995/12/06 13:58:26 adam
+ * Improved flushing of records - all flushes except the last one
+ * don't write the last accessed. Also flush takes place if record
+ * info occupy more than about 256k.
+ *
+ * Revision 1.10 1995/12/06 12:41:24 adam