1 /* $Id: logic.c,v 1.52 2007-07-16 09:00:22 adam Exp $
2 Copyright (c) 2006-2007, Index Data.
4 This file is part of Pazpar2.
6 Pazpar2 is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2, or (at your option) any later
11 Pazpar2 is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with Pazpar2; see the file LICENSE. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
23 \brief high-level logic; mostly user sessions and settings
31 #include <sys/socket.h>
37 #include <yaz/marcdisp.h>
38 #include <yaz/comstack.h>
39 #include <yaz/tcpip.h>
40 #include <yaz/proto.h>
41 #include <yaz/readconf.h>
42 #include <yaz/pquery.h>
43 #include <yaz/otherinfo.h>
44 #include <yaz/yaz-util.h>
46 #include <yaz/query-charset.h>
47 #include <yaz/querytowrbuf.h>
48 #include <yaz/oid_db.h>
56 #include <yaz/timing.h>
59 #include <netinet/in.h>
64 #include "termlists.h"
66 #include "relevance.h"
71 #include "normalize7bit.h"
73 #define TERMLIST_HIGH_SCORE 25
77 // Note: Some things in this structure will eventually move to configuration
78 struct parameters global_parameters =
99 // Recursively traverse query structure to extract terms.
100 void pull_terms(NMEM nmem, struct ccl_rpn_node *n, char **termlist, int *num)
112 pull_terms(nmem, n->u.p[0], termlist, num);
113 pull_terms(nmem, n->u.p[1], termlist, num);
116 nmem_strsplit(nmem, " ", n->u.t.term, &words, &numwords);
117 for (i = 0; i < numwords; i++)
118 termlist[(*num)++] = words[i];
127 static void add_facet(struct session *s, const char *type, const char *value)
133 for (i = 0; i < s->num_termlists; i++)
134 if (!strcmp(s->termlists[i].name, type))
136 if (i == s->num_termlists)
138 if (i == SESSION_MAX_TERMLISTS)
140 yaz_log(YLOG_FATAL, "Too many termlists");
144 s->termlists[i].name = nmem_strdup(s->nmem, type);
145 s->termlists[i].termlist
146 = termlist_create(s->nmem, s->expected_maxrecs,
147 TERMLIST_HIGH_SCORE);
148 s->num_termlists = i + 1;
150 termlist_insert(s->termlists[i].termlist, value);
153 xmlDoc *record_to_xml(struct session_database *sdb, Z_External *rec)
155 struct database *db = sdb->database;
157 const Odr_oid *oid = rec->direct_reference;
159 /* convert response record to XML somehow */
160 if (rec->which == Z_External_octet && oid
161 && !oid_oidcmp(oid, yaz_oid_recsyn_xml))
164 rdoc = xmlParseMemory((char*) rec->u.octet_aligned->buf,
165 rec->u.octet_aligned->len);
168 yaz_log(YLOG_FATAL, "Non-wellformed XML received from %s",
173 else if (rec->which == Z_External_OPAC)
177 yaz_log(YLOG_WARN, "MARC decoding not configured");
182 /* OPAC gets converted to XML too */
183 WRBUF wrbuf_opac = wrbuf_alloc();
184 /* MARCXML inside the OPAC XML. Charset is in effect because we
185 use the yaz_marc handle */
186 yaz_marc_xml(sdb->yaz_marc, YAZ_MARC_MARCXML);
187 yaz_opac_decode_wrbuf(sdb->yaz_marc, rec->u.opac, wrbuf_opac);
189 rdoc = xmlParseMemory((char*) wrbuf_buf(wrbuf_opac),
190 wrbuf_len(wrbuf_opac));
192 yaz_log(YLOG_WARN, "Unable to parse OPAC XML");
193 wrbuf_destroy(wrbuf_opac);
196 else if (oid && yaz_oid_is_iso2709(oid))
198 /* ISO2709 gets converted to MARCXML */
201 yaz_log(YLOG_WARN, "MARC decoding not configured");
210 if (rec->which != Z_External_octet)
212 yaz_log(YLOG_WARN, "Unexpected external branch, probably BER %s",
216 buf = (char*) rec->u.octet_aligned->buf;
217 len = rec->u.octet_aligned->len;
218 if (yaz_marc_read_iso2709(sdb->yaz_marc, buf, len) < 0)
220 yaz_log(YLOG_WARN, "Failed to decode MARC %s", db->url);
224 yaz_marc_write_using_libxml2(sdb->yaz_marc, 1);
225 if (yaz_marc_write_xml(sdb->yaz_marc, &res,
226 "http://www.loc.gov/MARC21/slim", 0, 0) < 0)
228 yaz_log(YLOG_WARN, "Failed to encode as XML %s",
232 rdoc = xmlNewDoc((xmlChar *) "1.0");
233 xmlDocSetRootElement(rdoc, res);
238 char oid_name_buf[OID_STR_MAX];
239 const char *oid_name = yaz_oid_to_string_buf(oid, 0, oid_name_buf);
241 "Unable to handle record of type %s from %s",
246 if (global_parameters.dump_records)
248 FILE *lf = yaz_log_file();
251 yaz_log(YLOG_LOG, "Normalized record from %s", db->url);
252 #if LIBXML_VERSION >= 20600
253 xmlDocFormatDump(lf, rdoc, 1);
255 xmlDocDump(lf, rdoc);
263 xmlDoc *normalize_record(struct session_database *sdb, Z_External *rec)
265 struct database_retrievalmap *m;
266 xmlDoc *rdoc = record_to_xml(sdb, rec);
269 for (m = sdb->map; m; m = m->next){
274 new = xsltApplyStylesheet(m->stylesheet, rdoc, 0);
275 root= xmlDocGetRootElement(new);
276 if (!new || !root || !(root->children))
278 yaz_log(YLOG_WARN, "XSLT transformation failed from %s",
289 if (global_parameters.dump_records)
291 fprintf(stderr, "Record from %s\n----------------\n",
293 #if LIBXML_VERSION >= 20600
294 xmlDocFormatDump(stderr, rdoc, 1);
296 xmlDocDump(stderr, rdoc);
303 // Retrieve first defined value for 'name' for given database.
304 // Will be extended to take into account user associated with session
305 char *session_setting_oneval(struct session_database *db, int offset)
307 if (!db->settings[offset])
309 return db->settings[offset]->value;
314 // Initialize YAZ Map structures for MARC-based targets
315 static int prepare_yazmarc(struct session_database *sdb)
321 yaz_log(YLOG_WARN, "No settings for %s", sdb->database->url);
324 if ((s = session_setting_oneval(sdb, PZ_NATIVESYNTAX))
325 && !strncmp(s, "iso2709", 7))
327 char *encoding = "marc-8s", *e;
330 // See if a native encoding is specified
331 if ((e = strchr(s, ';')))
334 sdb->yaz_marc = yaz_marc_create();
335 yaz_marc_subfield_str(sdb->yaz_marc, "\t");
337 cm = yaz_iconv_open("utf-8", encoding);
341 "Unable to map from %s to UTF-8 for target %s",
342 encoding, sdb->database->url);
345 yaz_marc_iconv(sdb->yaz_marc, cm);
350 // Prepare XSLT stylesheets for record normalization
351 // Structures are allocated on the session_wide nmem to avoid having
352 // to recompute this for every search. This would lead
353 // to leaking if a single session was to repeatedly change the PZ_XSLT
354 // setting. However, this is not a realistic use scenario.
355 static int prepare_map(struct session *se, struct session_database *sdb)
361 yaz_log(YLOG_WARN, "No settings on %s", sdb->database->url);
364 if ((s = session_setting_oneval(sdb, PZ_XSLT)))
367 struct database_retrievalmap **m = &sdb->map;
370 nmem_strsplit(se->session_nmem, ",", s, &stylesheets, &num);
371 for (i = 0; i < num; i++)
373 (*m) = nmem_malloc(se->session_nmem, sizeof(**m));
375 if (!((*m)->stylesheet = conf_load_stylesheet(stylesheets[i])))
377 yaz_log(YLOG_FATAL|YLOG_ERRNO, "Unable to load stylesheet: %s",
385 yaz_log(YLOG_WARN, "No Normalization stylesheet for target %s",
390 // This analyzes settings and recomputes any supporting data structures
392 static int prepare_session_database(struct session *se,
393 struct session_database *sdb)
398 "No settings associated with %s", sdb->database->url);
401 if (sdb->settings[PZ_NATIVESYNTAX] && !sdb->yaz_marc)
403 if (prepare_yazmarc(sdb) < 0)
406 if (sdb->settings[PZ_XSLT] && !sdb->map)
408 if (prepare_map(se, sdb) < 0)
414 // called if watch should be removed because http_channel is to be destroyed
415 static void session_watch_cancel(void *data, struct http_channel *c)
417 struct session_watchentry *ent = data;
424 // set watch. Returns 0=OK, -1 if watch is already set
425 int session_set_watch(struct session *s, int what,
426 session_watchfun fun, void *data,
427 struct http_channel *chan)
429 if (s->watchlist[what].fun)
431 s->watchlist[what].fun = fun;
432 s->watchlist[what].data = data;
433 s->watchlist[what].obs = http_add_observer(chan, &s->watchlist[what],
434 session_watch_cancel);
438 void session_alert_watch(struct session *s, int what)
440 if (!s->watchlist[what].fun)
442 http_remove_observer(s->watchlist[what].obs);
443 (*s->watchlist[what].fun)(s->watchlist[what].data);
444 s->watchlist[what].fun = 0;
445 s->watchlist[what].data = 0;
446 s->watchlist[what].obs = 0;
449 //callback for grep_databases
450 static void select_targets_callback(void *context, struct session_database *db)
452 struct session *se = (struct session*) context;
453 struct client *cl = client_create();
454 client_set_database(cl, db);
455 client_set_session(cl, se);
458 // Associates a set of clients with a session;
459 // Note: Session-databases represent databases with per-session
461 int select_targets(struct session *se, struct database_criterion *crit)
464 client_destroy(se->clients);
466 return session_grep_databases(se, crit, select_targets_callback);
469 int session_active_clients(struct session *s)
474 for (c = s->clients; c; c = client_next_in_session(c))
475 if (client_is_active(c))
481 // parses crit1=val1,crit2=val2|val3,...
482 static struct database_criterion *parse_filter(NMEM m, const char *buf)
484 struct database_criterion *res = 0;
491 nmem_strsplit(m, ",", buf, &values, &num);
492 for (i = 0; i < num; i++)
497 struct database_criterion *new = nmem_malloc(m, sizeof(*new));
498 char *eq = strchr(values[i], '=');
501 yaz_log(YLOG_WARN, "Missing equal-sign in filter");
505 new->name = values[i];
506 nmem_strsplit(m, "|", eq, &subvalues, &subnum);
508 for (subi = 0; subi < subnum; subi++)
510 struct database_criterion_value *newv
511 = nmem_malloc(m, sizeof(*newv));
512 newv->value = subvalues[subi];
513 newv->next = new->values;
522 enum pazpar2_error_code search(struct session *se,
523 char *query, char *filter,
524 const char **addinfo)
526 int live_channels = 0;
530 struct database_criterion *criteria;
532 yaz_log(YLOG_DEBUG, "Search");
535 nmem_reset(se->nmem);
536 criteria = parse_filter(se->nmem, filter);
538 live_channels = select_targets(se, criteria);
541 int maxrecs = live_channels * global_parameters.toget;
542 se->num_termlists = 0;
543 se->reclist = reclist_create(se->nmem, maxrecs);
544 // This will be initialized in send_search()
545 se->total_records = se->total_hits = se->total_merged = 0;
546 se->expected_maxrecs = maxrecs;
549 return PAZPAR2_NO_TARGETS;
553 for (cl = se->clients; cl; cl = client_next_in_session(cl))
555 if (prepare_session_database(se, client_get_database(cl)) < 0)
557 *addinfo = client_get_database(cl)->database->url;
558 return PAZPAR2_CONFIG_TARGET;
560 // Parse query for target
561 if (client_parse_query(cl, query) < 0)
566 client_prep_connection(cl);
570 // If no queries could be mapped, we signal an error
574 return PAZPAR2_MALFORMED_PARAMETER_VALUE;
576 return PAZPAR2_NO_ERROR;
579 // Creates a new session_database object for a database
580 static void session_init_databases_fun(void *context, struct database *db)
582 struct session *se = (struct session *) context;
583 struct session_database *new = nmem_malloc(se->session_nmem, sizeof(*new));
584 int num = settings_num();
591 if (global_parameters.server && global_parameters.server->icu_chn)
592 new->pct = pp2_charset_create(global_parameters.server->icu_chn);
594 new->pct = pp2_charset_create(0);
596 new->pct = pp2_charset_create(0);
601 = nmem_malloc(se->session_nmem, sizeof(struct settings *) * num);
602 memset(new->settings, 0, sizeof(struct settings*) * num);
606 for (i = 0; i < num; i++)
607 new->settings[i] = db->settings[i];
609 new->next = se->databases;
613 // Doesn't free memory associated with sdb -- nmem takes care of that
614 static void session_database_destroy(struct session_database *sdb)
616 struct database_retrievalmap *m;
618 for (m = sdb->map; m; m = m->next)
619 xsltFreeStylesheet(m->stylesheet);
621 yaz_marc_destroy(sdb->yaz_marc);
623 pp2_charset_destroy(sdb->pct);
626 // Initialize session_database list -- this represents this session's view
627 // of the database list -- subject to modification by the settings ws command
628 void session_init_databases(struct session *se)
631 predef_grep_databases(se, 0, session_init_databases_fun);
634 // Probably session_init_databases_fun should be refactored instead of
636 static struct session_database *load_session_database(struct session *se,
639 struct database *db = find_database(id, 0);
641 session_init_databases_fun((void*) se, db);
642 // New sdb is head of se->databases list
643 return se->databases;
646 // Find an existing session database. If not found, load it
647 static struct session_database *find_session_database(struct session *se,
650 struct session_database *sdb;
652 for (sdb = se->databases; sdb; sdb = sdb->next)
653 if (!strcmp(sdb->database->url, id))
655 return load_session_database(se, id);
658 // Apply a session override to a database
659 void session_apply_setting(struct session *se, char *dbname, char *setting,
662 struct session_database *sdb = find_session_database(se, dbname);
663 struct setting *new = nmem_malloc(se->session_nmem, sizeof(*new));
664 int offset = settings_offset_cprefix(setting);
668 yaz_log(YLOG_WARN, "Unknown setting %s", setting);
671 // Jakub: This breaks the filter setting.
672 /*if (offset == PZ_ID)
674 yaz_log(YLOG_WARN, "No need to set pz:id setting. Ignoring");
678 new->target = dbname;
681 new->next = sdb->settings[offset];
682 sdb->settings[offset] = new;
684 // Force later recompute of settings-driven data structures
685 // (happens when a search starts and client connections are prepared)
688 case PZ_NATIVESYNTAX:
691 yaz_marc_destroy(sdb->yaz_marc);
698 struct database_retrievalmap *m;
699 // We don't worry about the map structure -- it's in nmem
700 for (m = sdb->map; m; m = m->next)
701 xsltFreeStylesheet(m->stylesheet);
708 void destroy_session(struct session *s)
710 struct session_database *sdb;
713 client_destroy(s->clients);
714 for (sdb = s->databases; sdb; sdb = sdb->next)
715 session_database_destroy(sdb);
716 nmem_destroy(s->nmem);
717 wrbuf_destroy(s->wrbuf);
720 struct session *new_session(NMEM nmem)
723 struct session *session = nmem_malloc(nmem, sizeof(*session));
725 yaz_log(YLOG_DEBUG, "New Pazpar2 session");
727 session->relevance = 0;
728 session->total_hits = 0;
729 session->total_records = 0;
730 session->num_termlists = 0;
731 session->reclist = 0;
732 session->requestid = -1;
733 session->clients = 0;
734 session->expected_maxrecs = 0;
735 session->session_nmem = nmem;
736 session->nmem = nmem_create();
737 session->wrbuf = wrbuf_alloc();
738 session->databases = 0;
739 for (i = 0; i <= SESSION_WATCH_MAX; i++)
741 session->watchlist[i].data = 0;
742 session->watchlist[i].fun = 0;
748 struct hitsbytarget *hitsbytarget(struct session *se, int *count)
750 static struct hitsbytarget res[1000]; // FIXME MM
754 for (cl = se->clients; cl; cl = client_next_in_session(cl))
756 char *name = session_setting_oneval(client_get_database(cl), PZ_NAME);
758 res[*count].id = client_get_database(cl)->database->url;
759 res[*count].name = *name ? name : "Unknown";
760 res[*count].hits = client_get_hits(cl);
761 res[*count].records = client_get_num_records(cl);
762 res[*count].diagnostic = client_get_diagnostic(cl);
763 res[*count].state = client_get_state_str(cl);
764 res[*count].connected = client_get_connection(cl) ? 1 : 0;
771 struct termlist_score **termlist(struct session *s, const char *name, int *num)
775 for (i = 0; i < s->num_termlists; i++)
776 if (!strcmp((const char *) s->termlists[i].name, name))
777 return termlist_highscore(s->termlists[i].termlist, num);
781 #ifdef MISSING_HEADERS
782 void report_nmem_stats(void)
784 size_t in_use, is_free;
786 nmem_get_memory_in_use(&in_use);
787 nmem_get_memory_free(&is_free);
789 yaz_log(YLOG_LOG, "nmem stat: use=%ld free=%ld",
790 (long) in_use, (long) is_free);
794 struct record_cluster *show_single(struct session *s, int id)
796 struct record_cluster *r;
798 reclist_rewind(s->reclist);
799 while ((r = reclist_read_record(s->reclist)))
805 struct record_cluster **show(struct session *s, struct reclist_sortparms *sp,
806 int start, int *num, int *total, int *sumhits,
809 struct record_cluster **recs = nmem_malloc(nmem_show, *num
810 * sizeof(struct record_cluster *));
811 struct reclist_sortparms *spp;
814 yaz_timing_t t = yaz_timing_create();
826 for (spp = sp; spp; spp = spp->next)
827 if (spp->type == Metadata_sortkey_relevance)
829 relevance_prepare_read(s->relevance, s->reclist);
832 reclist_sort(s->reclist, sp);
834 *total = s->reclist->num_records;
835 *sumhits = s->total_hits;
837 for (i = 0; i < start; i++)
838 if (!reclist_read_record(s->reclist))
845 for (i = 0; i < *num; i++)
847 struct record_cluster *r = reclist_read_record(s->reclist);
858 yaz_log(YLOG_LOG, "show %6.5f %3.2f %3.2f",
859 yaz_timing_get_real(t), yaz_timing_get_user(t),
860 yaz_timing_get_sys(t));
861 yaz_timing_destroy(&t);
866 void statistics(struct session *se, struct statistics *stat)
871 memset(stat, 0, sizeof(*stat));
872 for (cl = se->clients; cl; cl = client_next_in_session(cl))
874 if (!client_get_connection(cl))
875 stat->num_no_connection++;
876 switch (client_get_state(cl))
878 case Client_Connecting: stat->num_connecting++; break;
879 case Client_Initializing: stat->num_initializing++; break;
880 case Client_Searching: stat->num_searching++; break;
881 case Client_Presenting: stat->num_presenting++; break;
882 case Client_Idle: stat->num_idle++; break;
883 case Client_Failed: stat->num_failed++; break;
884 case Client_Error: stat->num_error++; break;
889 stat->num_hits = se->total_hits;
890 stat->num_records = se->total_records;
892 stat->num_clients = count;
895 void start_http_listener(void)
898 struct conf_server *ser = global_parameters.server;
900 if (*global_parameters.listener_override)
901 strcpy(hp, global_parameters.listener_override);
904 strcpy(hp, ser->host ? ser->host : "");
909 sprintf(hp + strlen(hp), "%d", ser->port);
915 void start_proxy(void)
918 struct conf_server *ser = global_parameters.server;
920 if (*global_parameters.proxy_override)
921 strcpy(hp, global_parameters.proxy_override);
922 else if (ser->proxy_host || ser->proxy_port)
924 strcpy(hp, ser->proxy_host ? ser->proxy_host : "");
929 sprintf(hp + strlen(hp), "%d", ser->proxy_port);
935 http_set_proxyaddr(hp, ser->myurl ? ser->myurl : "");
939 // Master list of connections we're handling events to
940 static IOCHAN channel_list = 0;
941 void pazpar2_add_channel(IOCHAN chan)
943 chan->next = channel_list;
947 void pazpar2_event_loop()
949 event_loop(&channel_list);
952 static struct record_metadata *record_metadata_init(
953 NMEM nmem, char *value, enum conf_metadata_type type)
955 struct record_metadata *rec_md = record_metadata_create(nmem);
956 if (type == Metadata_type_generic)
959 p = normalize7bit_generic(p, " ,/.:([");
961 rec_md->data.text = nmem_strdup(nmem, p);
963 else if (type == Metadata_type_year)
966 if (extract7bit_years((char *) value, &first, &last) < 0)
968 rec_md->data.number.min = first;
969 rec_md->data.number.max = last;
976 struct record *ingest_record(struct client *cl, Z_External *rec,
979 xmlDoc *xdoc = normalize_record(client_get_database(cl), rec);
981 struct record *record;
982 struct record_cluster *cluster;
983 struct session *se = client_get_session(cl);
984 xmlChar *mergekey, *mergekey_norm;
987 struct conf_service *service = global_parameters.server->service;
992 root = xmlDocGetRootElement(xdoc);
993 if (!(mergekey = xmlGetProp(root, (xmlChar *) "mergekey")))
995 yaz_log(YLOG_WARN, "No mergekey found in record");
1000 record = record_create(se->nmem,
1001 service->num_metadata, service->num_sortkeys, cl,
1004 mergekey_norm = (xmlChar *) nmem_strdup(se->nmem, (char*) mergekey);
1006 normalize7bit_mergekey((char *) mergekey_norm, 0);
1008 cluster = reclist_insert(se->reclist,
1009 global_parameters.server->service,
1010 record, (char *) mergekey_norm,
1012 if (global_parameters.dump_records)
1013 yaz_log(YLOG_LOG, "Cluster id %d from %s (#%d)", cluster->recid,
1014 client_get_database(cl)->database->url, record_no);
1017 /* no room for record */
1021 relevance_newrec(se->relevance, cluster);
1024 // now parsing XML record and adding data to cluster or record metadata
1025 for (n = root->children; n; n = n->next)
1033 if (n->type != XML_ELEMENT_NODE)
1035 if (!strcmp((const char *) n->name, "metadata"))
1037 struct conf_metadata *ser_md = 0;
1038 struct conf_sortkey *ser_sk = 0;
1039 struct record_metadata **wheretoput = 0;
1040 struct record_metadata *rec_md = 0;
1041 int md_field_id = -1;
1042 int sk_field_id = -1;
1044 type = xmlGetProp(n, (xmlChar *) "type");
1045 value = xmlNodeListGetString(xdoc, n->children, 1);
1047 if (!type || !value)
1051 = conf_service_metadata_field_id(service, (const char *) type);
1052 if (md_field_id < 0)
1055 "Ignoring unknown metadata element: %s", type);
1059 ser_md = &service->metadata[md_field_id];
1061 if (ser_md->sortkey_offset >= 0){
1062 sk_field_id = ser_md->sortkey_offset;
1063 ser_sk = &service->sortkeys[sk_field_id];
1066 // non-merged metadata
1067 rec_md = record_metadata_init(se->nmem, (char *) value,
1071 yaz_log(YLOG_WARN, "bad metadata data '%s' for element '%s'",
1075 rec_md->next = record->metadata[md_field_id];
1076 record->metadata[md_field_id] = rec_md;
1079 rec_md = record_metadata_init(se->nmem, (char *) value,
1081 wheretoput = &cluster->metadata[md_field_id];
1083 // and polulate with data:
1084 // assign cluster or record based on merge action
1085 if (ser_md->merge == Metadata_merge_unique)
1087 struct record_metadata *mnode;
1088 for (mnode = *wheretoput; mnode; mnode = mnode->next)
1089 if (!strcmp((const char *) mnode->data.text,
1094 rec_md->next = *wheretoput;
1095 *wheretoput = rec_md;
1098 else if (ser_md->merge == Metadata_merge_longest)
1101 || strlen(rec_md->data.text)
1102 > strlen((*wheretoput)->data.text))
1104 *wheretoput = rec_md;
1107 char *s = nmem_strdup(se->nmem, rec_md->data.text);
1108 if (!cluster->sortkeys[sk_field_id])
1109 cluster->sortkeys[sk_field_id] =
1110 nmem_malloc(se->nmem,
1111 sizeof(union data_types));
1112 normalize7bit_mergekey(s,
1113 (ser_sk->type == Metadata_sortkey_skiparticle));
1114 cluster->sortkeys[sk_field_id]->text = s;
1118 else if (ser_md->merge == Metadata_merge_all)
1120 rec_md->next = *wheretoput;
1121 *wheretoput = rec_md;
1123 else if (ser_md->merge == Metadata_merge_range)
1127 *wheretoput = rec_md;
1129 cluster->sortkeys[sk_field_id]
1134 int this_min = rec_md->data.number.min;
1135 int this_max = rec_md->data.number.max;
1136 if (this_min < (*wheretoput)->data.number.min)
1137 (*wheretoput)->data.number.min = this_min;
1138 if (this_max > (*wheretoput)->data.number.max)
1139 (*wheretoput)->data.number.max = this_max;
1144 union data_types *sdata
1145 = cluster->sortkeys[sk_field_id];
1146 yaz_log(YLOG_LOG, "SK range: %d-%d",
1147 sdata->number.min, sdata->number.max);
1153 // ranking of _all_ fields enabled ...
1155 relevance_countwords(se->relevance, cluster,
1156 (char *) value, ser_md->rank);
1158 // construct facets ...
1159 if (ser_md->termlist)
1161 if (ser_md->type == Metadata_type_year)
1164 sprintf(year, "%d", rec_md->data.number.max);
1165 add_facet(se, (char *) type, year);
1166 if (rec_md->data.number.max != rec_md->data.number.min)
1168 sprintf(year, "%d", rec_md->data.number.min);
1169 add_facet(se, (char *) type, year);
1173 add_facet(se, (char *) type, (char *) value);
1183 "Unexpected element %s in internal record", n->name);
1192 relevance_donerecord(se->relevance, cluster);
1193 se->total_records++;
1203 * indent-tabs-mode: nil
1205 * vim: shiftwidth=4 tabstop=8 expandtab