2 * Copyright (C) 1994-1999, Index Data
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.17 1999-07-06 12:28:04 adam
8 * Updated record index structure. Format includes version ID. Compression
9 * algorithm ID is stored for each record block.
11 * Revision 1.16 1999/06/25 13:48:02 adam
12 * Updated MSVC project files.
13 * Added BZIP2 record compression (not very well tested).
15 * Revision 1.15 1999/05/26 07:49:13 adam
18 * Revision 1.14 1999/02/02 14:51:04 adam
19 * Updated WIN32 code specific sections. Changed header.
21 * Revision 1.13 1998/03/05 08:45:12 adam
22 * New result set model and modular ranking system. Moved towards
23 * descent server API. System information stored as "SGML" records.
25 * Revision 1.12 1998/01/12 15:04:08 adam
26 * The test option (-s) only uses read-lock (and not write lock).
28 * Revision 1.11 1997/09/17 12:19:16 adam
29 * Zebra version corresponds to YAZ version 1.4.
30 * Changed Zebra server so that it doesn't depend on global common_resource.
32 * Revision 1.10 1996/10/29 14:06:53 adam
33 * Include zebrautl.h instead of alexutil.h.
35 * Revision 1.9 1996/05/01 13:46:36 adam
36 * First work on multiple records in one file.
37 * New option, -offset, to the "unread" command in the filter module.
39 * Revision 1.8 1995/12/06 12:41:25 adam
40 * New command 'stat' for the index program.
41 * Filenames can be read from stdin by specifying '-'.
42 * Bug fix/enhancement of the transformation from terms to regular
43 * expressons in the search engine.
45 * Revision 1.7 1995/11/28 09:09:45 adam
46 * Zebra config renamed.
47 * Use setting 'recordId' to identify record now.
48 * Bug fix in recindex.c: rec_release_blocks was invokeded even
49 * though the blocks were already released.
50 * File traversal properly deletes records when needed.
52 * Revision 1.6 1995/11/27 09:56:21 adam
53 * Record info elements better enumerated. Internal store of records.
55 * Revision 1.5 1995/11/25 10:24:07 adam
56 * More record fields - they are enumerated now.
57 * New options: flagStoreData flagStoreKey.
59 * Revision 1.4 1995/11/22 17:19:19 adam
60 * Record management uses the bfile system.
62 * Revision 1.3 1995/11/20 16:59:46 adam
63 * New update method: the 'old' keys are saved for each records.
65 * Revision 1.2 1995/11/15 19:13:08 adam
66 * Work on record management.
68 * Revision 1.1 1995/11/15 14:46:21 adam
69 * Started work on better record management system.
82 typedef struct record_info {
85 char *info[REC_NO_INFO];
86 size_t size[REC_NO_INFO];
87 char buf_size[REC_NO_INFO][6];
88 size_t size_size[REC_NO_INFO];
91 typedef struct records_info *Records;
93 Record rec_cp (Record rec);
94 void rec_del (Records p, Record *recpp);
95 void rec_rm (Record *recpp);
96 void rec_put (Records p, Record *recpp);
97 Record rec_new (Records p);
98 Record rec_get (Records p, int sysno);
99 void rec_close (Records *p);
100 Records rec_open (BFiles bfs, int rw, int compression_method);
101 char *rec_strdup (const char *s, size_t *len);
102 void rec_prstat (Records p);
104 #define REC_COMPRESS_NONE 0
105 #define REC_COMPRESS_BZIP2 1
111 recInfo_databaseName,