X-Git-Url: http://git.indexdata.com/?p=idzebra-moved-to-github.git;a=blobdiff_plain;f=index%2Findex.h;h=f795dafd31667ca2cb8a497cb71a27a527a60280;hp=e7c61de7b6e559455621e59d68fab97c4fab8c45;hb=e7cf9381a4b902cb2b91053f80ab7899b7d5bb00;hpb=e8f4cf34c75ffdc7bbfaf3fa232f29cc1384b60c diff --git a/index/index.h b/index/index.h index e7c61de..f795daf 100644 --- a/index/index.h +++ b/index/index.h @@ -1,36 +1,64 @@ -/* - * Copyright (C) 1995-1999, Index Data - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss, Heikki Levanto - * (log at the end) - */ +/* $Id: index.h,v 1.164 2006-05-19 23:45:29 adam Exp $ + Copyright (C) 1995-2005 + 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. +*/ + +#ifndef INDEX_H +#define INDEX_H + #include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include - -#ifdef __cplusplus -extern "C" { +#include +#include +#include +#include +#include + +#if HAVE_SYS_TIMES_H +#include #endif +#include -#define IT_MAX_WORD 256 -#define IT_KEY_HAVE_SEQNO 1 -#define IT_KEY_HAVE_FIELD 0 +#include +#include +#include +#include +#include +#include +#include "recindex.h" +#include +#include "zinfo.h" +#include +#include + +YAZ_BEGIN_CDECL -typedef int SYSNO; +#define ISAM_DEFAULT "b" +#define SU_SCHEME 1 + +#define IT_MAX_WORD 256 + +#define IT_KEY_LEVEL_MAX 5 struct it_key { - int sysno; - int seqno; + int len; + zint mem[IT_KEY_LEVEL_MAX]; }; enum dirsKind { dirs_dir, dirs_file }; @@ -48,62 +76,43 @@ struct dirs_entry { time_t mtime; }; -struct recordGroup { - char *groupName; - char *databaseName; - char *path; - char *recordId; - char *recordType; - int flagStoreData; - int flagStoreKeys; - int flagRw; - int fileVerboseLimit; - int databaseNamePath; - int explainDatabase; -#if ZEBRASDR - int useSDR; -#endif - data1_handle dh; - BFiles bfs; - ZebraMaps zebra_maps; - RecTypes recTypes; -}; - -void getFnameTmp (char *fname, int no); +void getFnameTmp (Res res, char *fname, int no); struct dirs_info *dirs_open (Dict dict, const char *rep, int rw); -struct dirs_info *dirs_fopen (Dict dict, const char *path); +struct dirs_info *dirs_fopen (Dict dict, const char *path, int rw); struct dirs_entry *dirs_read (struct dirs_info *p); struct dirs_entry *dirs_last (struct dirs_info *p); void dirs_mkdir (struct dirs_info *p, const char *src, time_t mtime); void dirs_rmdir (struct dirs_info *p, const char *src); -void dirs_add (struct dirs_info *p, const char *src, int sysno, time_t mtime); +void dirs_add (struct dirs_info *p, const char *src, SYSNO sysno, time_t mtime); void dirs_del (struct dirs_info *p, const char *src); void dirs_free (struct dirs_info **pp); -struct dir_entry *dir_open (const char *rep); +struct dir_entry *dir_open (const char *rep, const char *base, + int follow_links); void dir_sort (struct dir_entry *e); void dir_free (struct dir_entry **e_p); -void repositoryUpdate (struct recordGroup *rGroup); -void repositoryAdd (struct recordGroup *rGroup); -void repositoryDelete (struct recordGroup *rGroup); -void repositoryShow (struct recordGroup *rGroup); +void repositoryUpdate (ZebraHandle zh, const char *path); +void repositoryAdd (ZebraHandle zh, const char *path); +void repositoryDelete (ZebraHandle zh, const char *path); +void repositoryShow (ZebraHandle zh, const char *path); -int key_open (struct recordGroup *rGroup, int mem); -int key_close (struct recordGroup *group); +int key_open (ZebraHandle zh, int mem); +int key_close (ZebraHandle zh); int key_compare (const void *p1, const void *p2); -int key_get_pos (const void *p); +void key_init(struct it_key *k); +char *key_print_it (const void *p, char *buf); +zint key_get_seq (const void *p); int key_compare_it (const void *p1, const void *p2); int key_qsort_compare (const void *p1, const void *p2); void key_logdump (int mask, const void *p); -void inv_prstat (BFiles bfs); +void key_logdump_txt (int logmask, const void *p, const char *txt); +void inv_prstat (ZebraHandle zh); void inv_compact (BFiles bfs); -void key_input (BFiles bfs, int nkeys, int cache); -ISAMC_M key_isamc_m (Res res, ISAMC_M me); -ISAMS_M key_isams_m (Res res, ISAMS_M me); -ISAMH_M key_isamh_m (Res res); -ISAMD_M key_isamd_m (Res res, ISAMD_M me); +void key_input (ZebraHandle zh, int nkeys, int cache, Res res); +ISAMS_M *key_isams_m (Res res, ISAMS_M *me); +ISAMC_M *key_isamc_m (Res res, ISAMC_M *me); int merge_sort (char **buf, int from, int to); int key_SU_code (int ch, char *out); @@ -123,273 +132,353 @@ int strtab_src (struct strtab *t, const char *name, void ***infop); void strtab_del (struct strtab *t, void (*func)(const char *name, void *info, void *data), void *data); -int index_char_cvt (int c); -int index_word_prefix (char *string, int attset_ordinal, - int local_attribute, const char *databaseName); -int fileExtract (SYSNO *sysno, const char *fname, - const struct recordGroup *rGroup, int deleteFlag); +void zebraIndexLockMsg (ZebraHandle zh, const char *str); +void zebraIndexUnlock (ZebraHandle zh); +int zebraIndexLock (BFiles bfs, ZebraHandle zh, int commitNow, const char *rval); +int zebraIndexWait (ZebraHandle zh, int commitPhase); -void zebraIndexLockMsg (const char *str); -void zebraIndexUnlock (void); -void zebraIndexLock (BFiles bfs, int commitNow, const char *rval); -int zebraIndexWait (int commitPhase); +void zebra_lock_prefix (Res res, char *dst); #define FNAME_MAIN_LOCK "zebraidx.LCK" #define FNAME_COMMIT_LOCK "zebracmt.LCK" #define FNAME_ORG_LOCK "zebraorg.LCK" #define FNAME_TOUCH_TIME "zebraidx.time" -typedef struct zebra_lock_info *ZebraLockHandle; -ZebraLockHandle zebra_lock_create(const char *file, int excl_flag); -void zebra_lock_destroy (ZebraLockHandle h); -int zebra_lock (ZebraLockHandle h); -int zebra_lock_nb (ZebraLockHandle h); -int zebra_unlock (ZebraLockHandle h); -int zebra_lock_fd (ZebraLockHandle h); -void zebra_lock_prefix (Res res, char *dst); +int key_SU_decode (int *ch, const unsigned char *out); +int key_SU_encode (int ch, char *out); + +#define ENCODE_BUFLEN 768 +struct encode_info { + int sysno; /* previously written values for delta-compress */ + int seqno; + int cmd; + int prevsys; /* buffer for skipping insert/delete pairs */ + int prevseq; + int prevcmd; + int keylen; /* tells if we have an unwritten key in buf, and how long*/ + void *encode_handle; + void *decode_handle; + char buf[ENCODE_BUFLEN]; +}; + +void encode_key_init (struct encode_info *i); +char *encode_key_int (int d, char *bp); +void encode_key_write (char *k, struct encode_info *i, FILE *outf); +void encode_key_flush (struct encode_info *i, FILE *outf); + +typedef struct zebra_set *ZebraSet; + +typedef struct zebra_rank_class { + struct rank_control *control; + int init_flag; + void *class_handle; + struct zebra_rank_class *next; +} *ZebraRankClass; + +#include "reckeys.h" + +struct zebra_register { + char *name; + + ISAMS isams; + ISAMC isamc; + ISAMB isamb; + Dict dict; + Dict matchDict; + SortIdx sortIdx; + int registerState; /* 0 (no commit pages), 1 (use commit pages) */ + time_t registerChange; + BFiles bfs; + Records records; + ZebraExplainInfo zei; + + char *server_path_prefix; + data1_handle dh; + ZebraMaps zebra_maps; + ZebraRankClass rank_classes; + RecTypes recTypes; + int seqno; + int last_val; + int stop_flag; + + zebra_rec_keys_t keys; + zebra_rec_keys_t sortKeys; + char **key_buf; + size_t ptr_top; + size_t ptr_i; + size_t key_buf_used; + int key_file_no; +}; + +struct zebra_service { + int stop_flag; + Res global_res; + struct zebra_session *sessions; + struct zebra_register *regs; + Zebra_mutex_cond session_lock; + Passwd_db passwd_db; + Res dbaccess; + const char *path_root; + RecTypeClass record_classes; + NMEM nmem; +}; + + +struct zebra_session { + struct zebra_session *next; + struct zebra_service *service; + struct zebra_register *reg; + + char *xadmin_databaseName; + + char **basenames; + int num_basenames; + zint approx_limit; + char *reg_name; + char *path_reg; + + ZebraLockHandle lock_normal; + ZebraLockHandle lock_shadow; + + int trans_no; + int trans_w_no; + + int destroyed; + ZebraSet sets; + Res res; + Res session_res; + char *user_perm; + char *dbaccesslist; + int errCode; + zint hits; + char *errString; +#if HAVE_SYS_TIMES_H + struct tms tms1; + struct tms tms2; +#endif + int shadow_enable; + + int m_staticrank; + + zint records_inserted; + zint records_updated; + zint records_deleted; + zint records_processed; + char *record_encoding; + + yaz_iconv_t iconv_to_utf8; + yaz_iconv_t iconv_from_utf8; + + int m_follow_links; + const char *m_group; + const char *m_record_id; + const char *m_record_type; + int m_store_data; + int m_store_keys; + int m_explain_database; + int m_flag_rw; + int m_file_verbose_limit; + + void *store_data_buf; + size_t store_data_size; + NMEM nmem_error; + + struct zebra_limit *m_limit; +}; + + +struct term_set_entry { + char *term; + struct term_set_entry *next; +}; + +struct term_set_list { + struct term_set_entry *first; + struct term_set_entry *last; +}; + + +void zebra_limit_destroy(struct zebra_limit *zl); +struct zebra_limit *zebra_limit_create(int exclude_flag, zint *ids); +void zebra_limit_for_rset(struct zebra_limit *zl, + int (**filter_func)(const void *buf, void *data), + void (**filter_destroy)(void *data), + void **filter_data); + +struct rset_key_control *zebra_key_control_create(ZebraHandle zh); + +ZEBRA_RES rpn_search_top(ZebraHandle zh, Z_RPNStructure *zs, + oid_value attributeSet, + NMEM stream, NMEM rset_nmem, + Z_SortKeySpecList *sort_sequence, + int num_bases, char **basenames, + RSET *result_set); + +ZEBRA_RES rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt, + oid_value attributeset, + int num_bases, char **basenames, + int *position, int *num_entries, ZebraScanEntry **list, + int *is_partial, RSET limit_set, int return_zero); + +RSET rset_trunc(ZebraHandle zh, ISAM_P *isam_p, int no, + const char *term, int length_term, const char *flags, + int preserve_position, int term_type, NMEM rset_nmem, + struct rset_key_control *kctrl, int scope, + struct ord_list *ol, int reg_type, + zint hits_limit, const char *term_ref_id); + +void resultSetAddTerm(ZebraHandle zh, ZebraSet s, int reg_type, + const char *db, const char *index_name, + const char *term); +ZebraSet resultSetAdd (ZebraHandle zh, const char *name, int ov); +ZebraSet resultSetGet (ZebraHandle zh, const char *name); +ZEBRA_RES resultSetAddRPN (ZebraHandle zh, NMEM m, Z_RPNQuery *rpn, + int num_bases, char **basenames, + const char *setname); +RSET resultSetRef (ZebraHandle zh, const char *resultSetId); +void resultSetDestroy (ZebraHandle zh, int num_names, char **names, + int *statuses); +ZEBRA_RES resultSetSort (ZebraHandle zh, NMEM nmem, + int num_input_setnames, const char **input_setnames, + const char *output_setname, + Z_SortKeySpecList *sort_sequence, int *sort_status); +ZEBRA_RES resultSetSortSingle (ZebraHandle zh, NMEM nmem, + ZebraSet sset, RSET rset, + Z_SortKeySpecList *sort_sequence, + int *sort_status); +ZEBRA_RES resultSetRank (ZebraHandle zh, ZebraSet zebraSet, RSET rset, + NMEM nmem); +void resultSetInvalidate (ZebraHandle zh); + +int zebra_server_lock_init (ZebraService zh); +int zebra_server_lock_destroy (ZebraService zh); +int zebra_server_lock (ZebraService zh, int lockCommit); +void zebra_server_unlock (ZebraService zh, int commitPhase); +int zebra_server_lock_get_state (ZebraService zh, time_t *timep); + +int zebra_record_fetch (ZebraHandle zh, SYSNO sysno, int score, + zebra_snippets *hit_snippet, ODR stream, + oid_value input_format, Z_RecordComposition *comp, + oid_value *output_format, char **rec_bufp, + int *rec_lenp, char **basenamep, + char **addinfo); -void zebra_load_atts (data1_handle dh, Res res); +void extract_get_fname_tmp (ZebraHandle zh, char *fname, int no); -extern Res common_resource; +void zebra_index_merge (ZebraHandle zh); -#ifdef __cplusplus -} +ZEBRA_RES buffer_extract_record (ZebraHandle zh, + const char *buf, size_t buf_size, + int delete_flag, + int test_mode, + const char *recordType, + SYSNO *sysno, + const char *match_criteria, + const char *fname, + int force_update, + int allow_update); + +#if 0 +int extract_rec_in_mem (ZebraHandle zh, const char *recordType, + const char *buf, size_t buf_size, + const char *databaseName, int delete_flag, + int test_mode, int *sysno, + int store_keys, int store_data, + const char *match_criteria); #endif +void extract_flushWriteKeys (ZebraHandle zh, int final); + +struct zebra_fetch_control { + off_t offset_end; + off_t record_offset; + off_t record_int_pos; + const char *record_int_buf; + int record_int_len; + int fd; +}; + +int zebra_record_ext_read (void *fh, char *buf, size_t count); +off_t zebra_record_ext_seek (void *fh, off_t offset); +off_t zebra_record_ext_tell (void *fh); +off_t zebra_record_int_seek (void *fh, off_t offset); +off_t zebra_record_int_tell (void *fh); +int zebra_record_int_read (void *fh, char *buf, size_t count); +void zebra_record_int_end (void *fh, off_t offset); + +void print_rec_keys(ZebraHandle zh, zebra_rec_keys_t reckeys); + +ZEBRA_RES zebra_snippets_rec_keys(ZebraHandle zh, zebra_rec_keys_t reckeys, + zebra_snippets *snippets); +ZEBRA_RES zebra_snippets_hit_vector(ZebraHandle zh, const char *setname, + zint sysno, zebra_snippets *snippets); + +void extract_flushRecordKeys (ZebraHandle zh, SYSNO sysno, + int cmd, zebra_rec_keys_t reckeys, + zint staticrank); +void extract_flushSortKeys (ZebraHandle zh, SYSNO sysno, + int cmd, zebra_rec_keys_t skp); +void extract_schema_add (struct recExtractCtrl *p, Odr_oid *oid); +void extract_token_add (RecWord *p); +int explain_extract (void *handle, Record rec, data1_node *n); + +ZEBRA_RES zebra_extract_file(ZebraHandle zh, SYSNO *sysno, const char *fname, + int deleteFlag); + +ZEBRA_RES zebra_begin_read (ZebraHandle zh); +ZEBRA_RES zebra_end_read (ZebraHandle zh); + +int zebra_file_stat (const char *file_name, struct stat *buf, + int follow_links); + +void zebra_livcode_transform(ZebraHandle zh, Z_RPNQuery *query); +void *iscz1_start (); +void iscz1_reset (void *vp); +void iscz1_stop (void *p); +void iscz1_decode (void *vp, char **dst, const char **src); +void iscz1_encode (void *vp, char **dst, const char **src); +Dict dict_open_res (BFiles bfs, const char *name, int cache, int rw, + int compact_flag, Res res); +void zebra_setError(ZebraHandle zh, int code, const char *addinfo); +void zebra_setError_zint(ZebraHandle zh, int code, zint i); + +void zebra_term_untrans_iconv(ZebraHandle zh, NMEM stream, int reg_type, + char **dst, const char *src); + +ZEBRA_RES zebra_get_hit_vector(ZebraHandle zh, const char *setname, zint sysno); + +void zebra_term_untrans(ZebraHandle zh, int reg_type, + char *dst, const char *src); + +ZEBRA_RES zebra_apt_get_ord(ZebraHandle zh, + Z_AttributesPlusTerm *zapt, + int index_type, + const char *xpath_use, + oid_value curAttributeSet, + int *ord); + +ZEBRA_RES zebra_attr_list_get_ord(ZebraHandle zh, + Z_AttributeList *attr_list, + int index_type, + oid_value curAttributeSet, + int *ord); + +ZEBRA_RES zebra_sort_get_ord(ZebraHandle zh, + Z_SortAttributes *sortAttributes, + int *ord, + int *numerical); + +YAZ_END_CDECL + +#endif /* - * $Log: index.h,v $ - * Revision 1.66 1999-07-14 13:21:34 heikki - * Added isam-d files. Compiles (almost) clean. Doesn't work at all - * - * Revision 1.65 1999/07/14 10:59:26 adam - * Changed functions isc_getmethod, isams_getmethod. - * Improved fatal error handling (such as missing EXPLAIN schema). - * - * Revision 1.64 1999/06/30 15:07:23 heikki - * Adding isamh stuff - * - * Revision 1.63 1999/05/26 07:49:13 adam - * C++ compilation. - * - * Revision 1.62 1999/05/12 13:08:06 adam - * First version of ISAMS. - * - * Revision 1.61 1999/03/09 16:27:49 adam - * More work on SDRKit integration. - * - * Revision 1.60 1998/10/16 08:14:31 adam - * Updated record control system. - * - * Revision 1.59 1998/06/08 14:43:11 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 1.58 1998/05/20 10:12:16 adam - * Implemented automatic EXPLAIN database maintenance. - * Modified Zebra to work with ASN.1 compiled version of YAZ. - * - * Revision 1.57 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 1.56 1998/01/12 15:04:08 adam - * The test option (-s) only uses read-lock (and not write lock). - * - * Revision 1.55 1997/10/27 14:33:04 adam - * Moved towards generic character mapping depending on "structure" - * field in abstract syntax file. Fixed a few memory leaks. Fixed - * bug with negative integers when doing searches with relational - * operators. - * - * Revision 1.54 1997/09/29 09:08:36 adam - * Revised locking system to be thread safe for the server. - * - * Revision 1.53 1997/09/25 14:54:43 adam - * WIN32 files lock support. - * - * Revision 1.52 1997/09/22 12:39:06 adam - * Added get_pos method for the ranked result sets. - * - * Revision 1.51 1997/09/18 08:59:19 adam - * Extra generic handle for the character mapping routines. - * - * Revision 1.50 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 1.49 1997/09/05 15:30:08 adam - * Changed prototype for chr_map_input - added const. - * Added support for C++, headers uses extern "C" for public definitions. - * - * Revision 1.48 1997/02/12 20:39:45 adam - * Implemented options -f that limits the log to the first - * records. - * Changed some log messages also. - * - * Revision 1.47 1996/12/23 15:30:44 adam - * Work on truncation. - * Bug fix: result sets weren't deleted after server shut down. - * - * Revision 1.46 1996/11/08 11:10:19 adam - * Buffers used during file match got bigger. - * Compressed ISAM support everywhere. - * Bug fixes regarding masking characters in queries. - * Redesigned Regexp-2 queries. - * - * Revision 1.45 1996/10/29 14:09:42 adam - * Use of cisam system - enabled if setting isamc is 1. - * - * Revision 1.44 1996/06/06 12:08:40 quinn - * Added showRecord function - * - * Revision 1.43 1996/06/04 10:18:12 adam - * Search/scan uses character mapping module. - * - * Revision 1.42 1996/06/04 08:20:16 quinn - * Smallish - * - * Revision 1.41 1996/06/04 07:54:55 quinn - * Added output-map. - * - * Revision 1.40 1996/05/31 09:06:58 quinn - * Work on character-set handling - * - * Revision 1.39 1996/05/14 14:04:33 adam - * In zebraidx, the 'stat' command is improved. Statistics about ISAM/DICT - * is collected. - * - * Revision 1.38 1996/04/12 07:02:23 adam - * File update of single files. - * - * Revision 1.37 1996/03/26 16:01:13 adam - * New setting lockPath: directory of various lock files. - * - * Revision 1.36 1996/03/21 14:50:09 adam - * File update uses modify-time instead of change-time. - * - * Revision 1.35 1996/02/12 18:45:36 adam - * New fileVerboseFlag in record group control. - * - * Revision 1.34 1995/12/11 11:43:29 adam - * Locking based on fcntl instead of flock. - * Setting commitEnable removed. Command line option -n can be used to - * prevent commit if commit setting is defined in the configuration file. - * - * Revision 1.33 1995/12/08 16:22:53 adam - * Work on update while servers are running. Three lock files introduced. - * The servers reload their registers when necessary, but they don't - * reestablish result sets yet. - * - * Revision 1.32 1995/12/07 17:38:46 adam - * Work locking mechanisms for concurrent updates/commit. - * - * Revision 1.31 1995/12/06 12:41:22 adam - * New command 'stat' for the index program. - * Filenames can be read from stdin by specifying '-'. - * Bug fix/enhancement of the transformation from terms to regular - * expressons in the search engine. - * - * Revision 1.30 1995/12/05 11:25:02 adam - * Include of zebraver.h. - * - * Revision 1.29 1995/11/28 09:09:40 adam - * Zebra config renamed. - * Use setting 'recordId' to identify record now. - * Bug fix in recindex.c: rec_release_blocks was invokeded even - * though the blocks were already released. - * File traversal properly deletes records when needed. - * - * Revision 1.28 1995/11/27 13:58:53 adam - * New option -t. storeStore data implemented in server. - * - * Revision 1.27 1995/11/25 10:24:06 adam - * More record fields - they are enumerated now. - * New options: flagStoreData flagStoreKey. - * - * Revision 1.26 1995/11/22 17:19:17 adam - * Record management uses the bfile system. - * - * Revision 1.25 1995/11/21 15:29:12 adam - * Config file 'base' read by default by both indexer and server. - * - * Revision 1.24 1995/11/21 15:01:15 adam - * New general match criteria implemented. - * New feature: document groups. - * - * Revision 1.23 1995/11/20 16:59:45 adam - * New update method: the 'old' keys are saved for each records. - * - * Revision 1.22 1995/11/20 11:56:26 adam - * Work on new traversal. - * - * Revision 1.21 1995/11/16 15:34:55 adam - * Uses new record management system in both indexer and server. - * - * Revision 1.20 1995/11/15 14:46:18 adam - * Started work on better record management system. - * - * Revision 1.19 1995/10/27 14:00:11 adam - * Implemented detection of database availability. - * - * Revision 1.18 1995/10/17 18:02:08 adam - * New feature: databases. Implemented as prefix to words in dictionary. - * - * Revision 1.17 1995/10/13 16:01:49 adam - * Work on relations. - * - * Revision 1.16 1995/10/10 12:24:38 adam - * Temporary sort files are compressed. - * - * Revision 1.15 1995/10/04 16:57:19 adam - * Key input and merge sort in one pass. - * - * Revision 1.14 1995/09/29 14:01:40 adam - * Bug fixes. - * - * Revision 1.13 1995/09/28 14:22:56 adam - * Sort uses smaller temporary files. - * - * Revision 1.12 1995/09/28 12:10:32 adam - * Bug fixes. Field prefix used in queries. - * - * Revision 1.11 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 1.10 1995/09/14 07:48:23 adam - * Record control management. - * - * Revision 1.9 1995/09/11 13:09:33 adam - * More work on relevance feedback. - * - * Revision 1.8 1995/09/08 14:52:27 adam - * Minor changes. Dictionary is lower case now. - * - * Revision 1.7 1995/09/06 16:11:16 adam - * Option: only one word key per file. - * - * Revision 1.6 1995/09/05 15:28:39 adam - * More work on search engine. - * - * Revision 1.5 1995/09/04 12:33:42 adam - * Various cleanup. YAZ util used instead. - * - * Revision 1.4 1995/09/04 09:10:35 adam - * More work on index add/del/update. - * Merge sort implemented. - * Initial work on z39 server. - * - * Revision 1.3 1995/09/01 14:06:35 adam - * Split of work into more files. - * - * Revision 1.2 1995/09/01 10:30:24 adam - * More work on indexing. Not working yet. - * - * Revision 1.1 1995/08/31 14:50:24 adam - * New simple file index tool. - * + * Local variables: + * c-basic-offset: 4 + * indent-tabs-mode: nil + * End: + * vim: shiftwidth=4 tabstop=8 expandtab */ +