1 /* $Id: logic.c,v 1.55 2007-07-18 13:37:30 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>
49 #include <yaz/snprintf.h>
57 #include <yaz/timing.h>
60 #include <netinet/in.h>
65 #include "termlists.h"
67 #include "relevance.h"
72 #include "normalize7bit.h"
74 #define TERMLIST_HIGH_SCORE 25
78 // Note: Some things in this structure will eventually move to configuration
79 struct parameters global_parameters =
100 // Recursively traverse query structure to extract terms.
101 void pull_terms(NMEM nmem, struct ccl_rpn_node *n, char **termlist, int *num)
113 pull_terms(nmem, n->u.p[0], termlist, num);
114 pull_terms(nmem, n->u.p[1], termlist, num);
117 nmem_strsplit(nmem, " ", n->u.t.term, &words, &numwords);
118 for (i = 0; i < numwords; i++)
119 termlist[(*num)++] = words[i];
128 static void add_facet(struct session *s, const char *type, const char *value)
134 for (i = 0; i < s->num_termlists; i++)
135 if (!strcmp(s->termlists[i].name, type))
137 if (i == s->num_termlists)
139 if (i == SESSION_MAX_TERMLISTS)
141 yaz_log(YLOG_FATAL, "Too many termlists");
145 s->termlists[i].name = nmem_strdup(s->nmem, type);
146 s->termlists[i].termlist
147 = termlist_create(s->nmem, s->expected_maxrecs,
148 TERMLIST_HIGH_SCORE);
149 s->num_termlists = i + 1;
151 termlist_insert(s->termlists[i].termlist, value);
154 xmlDoc *record_to_xml(struct session_database *sdb, Z_External *rec)
156 struct database *db = sdb->database;
158 const Odr_oid *oid = rec->direct_reference;
160 /* convert response record to XML somehow */
161 if (rec->which == Z_External_octet && oid
162 && !oid_oidcmp(oid, yaz_oid_recsyn_xml))
165 rdoc = xmlParseMemory((char*) rec->u.octet_aligned->buf,
166 rec->u.octet_aligned->len);
169 yaz_log(YLOG_FATAL, "Non-wellformed XML received from %s",
174 else if (rec->which == Z_External_OPAC)
178 yaz_log(YLOG_WARN, "MARC decoding not configured");
183 /* OPAC gets converted to XML too */
184 WRBUF wrbuf_opac = wrbuf_alloc();
185 /* MARCXML inside the OPAC XML. Charset is in effect because we
186 use the yaz_marc handle */
187 yaz_marc_xml(sdb->yaz_marc, YAZ_MARC_MARCXML);
188 yaz_opac_decode_wrbuf(sdb->yaz_marc, rec->u.opac, wrbuf_opac);
190 rdoc = xmlParseMemory((char*) wrbuf_buf(wrbuf_opac),
191 wrbuf_len(wrbuf_opac));
193 yaz_log(YLOG_WARN, "Unable to parse OPAC XML");
194 wrbuf_destroy(wrbuf_opac);
197 else if (oid && yaz_oid_is_iso2709(oid))
199 /* ISO2709 gets converted to MARCXML */
202 yaz_log(YLOG_WARN, "MARC decoding not configured");
211 if (rec->which != Z_External_octet)
213 yaz_log(YLOG_WARN, "Unexpected external branch, probably BER %s",
217 buf = (char*) rec->u.octet_aligned->buf;
218 len = rec->u.octet_aligned->len;
219 if (yaz_marc_read_iso2709(sdb->yaz_marc, buf, len) < 0)
221 yaz_log(YLOG_WARN, "Failed to decode MARC %s", db->url);
225 yaz_marc_write_using_libxml2(sdb->yaz_marc, 1);
226 if (yaz_marc_write_xml(sdb->yaz_marc, &res,
227 "http://www.loc.gov/MARC21/slim", 0, 0) < 0)
229 yaz_log(YLOG_WARN, "Failed to encode as XML %s",
233 rdoc = xmlNewDoc((xmlChar *) "1.0");
234 xmlDocSetRootElement(rdoc, res);
239 char oid_name_buf[OID_STR_MAX];
240 const char *oid_name = yaz_oid_to_string_buf(oid, 0, oid_name_buf);
242 "Unable to handle record of type %s from %s",
247 if (global_parameters.dump_records)
249 FILE *lf = yaz_log_file();
252 yaz_log(YLOG_LOG, "Un-normalized record from %s", db->url);
253 #if LIBXML_VERSION >= 20600
254 xmlDocFormatDump(lf, rdoc, 1);
256 xmlDocDump(lf, rdoc);
264 xmlDoc *normalize_record(struct session_database *sdb, Z_External *rec)
266 struct database_retrievalmap *m;
267 xmlDoc *rdoc = record_to_xml(sdb, rec);
270 for (m = sdb->map; m; m = m->next){
275 new = xsltApplyStylesheet(m->stylesheet, rdoc, 0);
276 root= xmlDocGetRootElement(new);
277 if (!new || !root || !(root->children))
279 yaz_log(YLOG_WARN, "XSLT transformation failed from %s",
290 if (global_parameters.dump_records)
292 FILE *lf = yaz_log_file();
296 yaz_log(YLOG_LOG, "Normalized record from %s",
298 #if LIBXML_VERSION >= 20600
299 xmlDocFormatDump(lf, rdoc, 1);
301 xmlDocDump(lf, rdoc);
310 // Retrieve first defined value for 'name' for given database.
311 // Will be extended to take into account user associated with session
312 char *session_setting_oneval(struct session_database *db, int offset)
314 if (!db->settings[offset])
316 return db->settings[offset]->value;
321 // Initialize YAZ Map structures for MARC-based targets
322 static int prepare_yazmarc(struct session_database *sdb)
328 yaz_log(YLOG_WARN, "No settings for %s", sdb->database->url);
331 if ((s = session_setting_oneval(sdb, PZ_NATIVESYNTAX))
332 && !strncmp(s, "iso2709", 7))
334 char *encoding = "marc-8s", *e;
337 // See if a native encoding is specified
338 if ((e = strchr(s, ';')))
341 sdb->yaz_marc = yaz_marc_create();
342 yaz_marc_subfield_str(sdb->yaz_marc, "\t");
344 cm = yaz_iconv_open("utf-8", encoding);
348 "Unable to map from %s to UTF-8 for target %s",
349 encoding, sdb->database->url);
352 yaz_marc_iconv(sdb->yaz_marc, cm);
357 // Prepare XSLT stylesheets for record normalization
358 // Structures are allocated on the session_wide nmem to avoid having
359 // to recompute this for every search. This would lead
360 // to leaking if a single session was to repeatedly change the PZ_XSLT
361 // setting. However, this is not a realistic use scenario.
362 static int prepare_map(struct session *se, struct session_database *sdb)
368 yaz_log(YLOG_WARN, "No settings on %s", sdb->database->url);
371 if ((s = session_setting_oneval(sdb, PZ_XSLT)))
374 struct database_retrievalmap **m = &sdb->map;
376 char auto_stylesheet[256];
378 if (!strcmp(s, "auto"))
380 char *request_syntax = session_setting_oneval(sdb,
385 yaz_snprintf(auto_stylesheet, sizeof(auto_stylesheet),
386 "%s.xsl", request_syntax);
387 for (cp = auto_stylesheet; *cp; cp++)
389 /* deliberately only consider ASCII */
390 if (*cp > 32 && *cp < 127)
397 yaz_log(YLOG_WARN, "No pz:requestsyntax for auto stylesheet");
400 nmem_strsplit(se->session_nmem, ",", s, &stylesheets, &num);
401 for (i = 0; i < num; i++)
403 (*m) = nmem_malloc(se->session_nmem, sizeof(**m));
405 if (!((*m)->stylesheet = conf_load_stylesheet(stylesheets[i])))
407 yaz_log(YLOG_FATAL|YLOG_ERRNO, "Unable to load stylesheet: %s",
415 yaz_log(YLOG_WARN, "No Normalization stylesheet for target %s",
420 // This analyzes settings and recomputes any supporting data structures
422 static int prepare_session_database(struct session *se,
423 struct session_database *sdb)
428 "No settings associated with %s", sdb->database->url);
431 if (sdb->settings[PZ_NATIVESYNTAX] && !sdb->yaz_marc)
433 if (prepare_yazmarc(sdb) < 0)
436 if (sdb->settings[PZ_XSLT] && !sdb->map)
438 if (prepare_map(se, sdb) < 0)
444 // called if watch should be removed because http_channel is to be destroyed
445 static void session_watch_cancel(void *data, struct http_channel *c)
447 struct session_watchentry *ent = data;
454 // set watch. Returns 0=OK, -1 if watch is already set
455 int session_set_watch(struct session *s, int what,
456 session_watchfun fun, void *data,
457 struct http_channel *chan)
459 if (s->watchlist[what].fun)
461 s->watchlist[what].fun = fun;
462 s->watchlist[what].data = data;
463 s->watchlist[what].obs = http_add_observer(chan, &s->watchlist[what],
464 session_watch_cancel);
468 void session_alert_watch(struct session *s, int what)
470 if (!s->watchlist[what].fun)
472 http_remove_observer(s->watchlist[what].obs);
473 (*s->watchlist[what].fun)(s->watchlist[what].data);
474 s->watchlist[what].fun = 0;
475 s->watchlist[what].data = 0;
476 s->watchlist[what].obs = 0;
479 //callback for grep_databases
480 static void select_targets_callback(void *context, struct session_database *db)
482 struct session *se = (struct session*) context;
483 struct client *cl = client_create();
484 client_set_database(cl, db);
485 client_set_session(cl, se);
488 // Associates a set of clients with a session;
489 // Note: Session-databases represent databases with per-session
491 int select_targets(struct session *se, struct database_criterion *crit)
494 client_destroy(se->clients);
496 return session_grep_databases(se, crit, select_targets_callback);
499 int session_active_clients(struct session *s)
504 for (c = s->clients; c; c = client_next_in_session(c))
505 if (client_is_active(c))
511 // parses crit1=val1,crit2=val2|val3,...
512 static struct database_criterion *parse_filter(NMEM m, const char *buf)
514 struct database_criterion *res = 0;
521 nmem_strsplit(m, ",", buf, &values, &num);
522 for (i = 0; i < num; i++)
527 struct database_criterion *new = nmem_malloc(m, sizeof(*new));
528 char *eq = strchr(values[i], '=');
531 yaz_log(YLOG_WARN, "Missing equal-sign in filter");
535 new->name = values[i];
536 nmem_strsplit(m, "|", eq, &subvalues, &subnum);
538 for (subi = 0; subi < subnum; subi++)
540 struct database_criterion_value *newv
541 = nmem_malloc(m, sizeof(*newv));
542 newv->value = subvalues[subi];
543 newv->next = new->values;
552 enum pazpar2_error_code search(struct session *se,
553 char *query, char *filter,
554 const char **addinfo)
556 int live_channels = 0;
560 struct database_criterion *criteria;
562 yaz_log(YLOG_DEBUG, "Search");
565 nmem_reset(se->nmem);
566 criteria = parse_filter(se->nmem, filter);
568 live_channels = select_targets(se, criteria);
571 int maxrecs = live_channels * global_parameters.toget;
572 se->num_termlists = 0;
573 se->reclist = reclist_create(se->nmem, maxrecs);
574 // This will be initialized in send_search()
575 se->total_records = se->total_hits = se->total_merged = 0;
576 se->expected_maxrecs = maxrecs;
579 return PAZPAR2_NO_TARGETS;
583 for (cl = se->clients; cl; cl = client_next_in_session(cl))
585 if (prepare_session_database(se, client_get_database(cl)) < 0)
587 *addinfo = client_get_database(cl)->database->url;
588 return PAZPAR2_CONFIG_TARGET;
590 // Parse query for target
591 if (client_parse_query(cl, query) < 0)
596 client_prep_connection(cl);
600 // If no queries could be mapped, we signal an error
604 return PAZPAR2_MALFORMED_PARAMETER_VALUE;
606 return PAZPAR2_NO_ERROR;
609 // Creates a new session_database object for a database
610 static void session_init_databases_fun(void *context, struct database *db)
612 struct session *se = (struct session *) context;
613 struct session_database *new = nmem_malloc(se->session_nmem, sizeof(*new));
614 int num = settings_num();
621 if (global_parameters.server && global_parameters.server->icu_chn)
622 new->pct = pp2_charset_create(global_parameters.server->icu_chn);
624 new->pct = pp2_charset_create(0);
626 new->pct = pp2_charset_create(0);
631 = nmem_malloc(se->session_nmem, sizeof(struct settings *) * num);
632 memset(new->settings, 0, sizeof(struct settings*) * num);
636 for (i = 0; i < num; i++)
637 new->settings[i] = db->settings[i];
639 new->next = se->databases;
643 // Doesn't free memory associated with sdb -- nmem takes care of that
644 static void session_database_destroy(struct session_database *sdb)
646 struct database_retrievalmap *m;
648 for (m = sdb->map; m; m = m->next)
649 xsltFreeStylesheet(m->stylesheet);
651 yaz_marc_destroy(sdb->yaz_marc);
653 pp2_charset_destroy(sdb->pct);
656 // Initialize session_database list -- this represents this session's view
657 // of the database list -- subject to modification by the settings ws command
658 void session_init_databases(struct session *se)
661 predef_grep_databases(se, 0, session_init_databases_fun);
664 // Probably session_init_databases_fun should be refactored instead of
666 static struct session_database *load_session_database(struct session *se,
669 struct database *db = find_database(id, 0);
671 session_init_databases_fun((void*) se, db);
672 // New sdb is head of se->databases list
673 return se->databases;
676 // Find an existing session database. If not found, load it
677 static struct session_database *find_session_database(struct session *se,
680 struct session_database *sdb;
682 for (sdb = se->databases; sdb; sdb = sdb->next)
683 if (!strcmp(sdb->database->url, id))
685 return load_session_database(se, id);
688 // Apply a session override to a database
689 void session_apply_setting(struct session *se, char *dbname, char *setting,
692 struct session_database *sdb = find_session_database(se, dbname);
693 struct setting *new = nmem_malloc(se->session_nmem, sizeof(*new));
694 int offset = settings_offset_cprefix(setting);
698 yaz_log(YLOG_WARN, "Unknown setting %s", setting);
701 // Jakub: This breaks the filter setting.
702 /*if (offset == PZ_ID)
704 yaz_log(YLOG_WARN, "No need to set pz:id setting. Ignoring");
708 new->target = dbname;
711 new->next = sdb->settings[offset];
712 sdb->settings[offset] = new;
714 // Force later recompute of settings-driven data structures
715 // (happens when a search starts and client connections are prepared)
718 case PZ_NATIVESYNTAX:
721 yaz_marc_destroy(sdb->yaz_marc);
728 struct database_retrievalmap *m;
729 // We don't worry about the map structure -- it's in nmem
730 for (m = sdb->map; m; m = m->next)
731 xsltFreeStylesheet(m->stylesheet);
738 void destroy_session(struct session *s)
740 struct session_database *sdb;
743 client_destroy(s->clients);
744 for (sdb = s->databases; sdb; sdb = sdb->next)
745 session_database_destroy(sdb);
746 nmem_destroy(s->nmem);
747 wrbuf_destroy(s->wrbuf);
750 struct session *new_session(NMEM nmem)
753 struct session *session = nmem_malloc(nmem, sizeof(*session));
755 yaz_log(YLOG_DEBUG, "New Pazpar2 session");
757 session->relevance = 0;
758 session->total_hits = 0;
759 session->total_records = 0;
760 session->num_termlists = 0;
761 session->reclist = 0;
762 session->requestid = -1;
763 session->clients = 0;
764 session->expected_maxrecs = 0;
765 session->session_nmem = nmem;
766 session->nmem = nmem_create();
767 session->wrbuf = wrbuf_alloc();
768 session->databases = 0;
769 for (i = 0; i <= SESSION_WATCH_MAX; i++)
771 session->watchlist[i].data = 0;
772 session->watchlist[i].fun = 0;
778 struct hitsbytarget *hitsbytarget(struct session *se, int *count)
780 static struct hitsbytarget res[1000]; // FIXME MM
784 for (cl = se->clients; cl; cl = client_next_in_session(cl))
786 char *name = session_setting_oneval(client_get_database(cl), PZ_NAME);
788 res[*count].id = client_get_database(cl)->database->url;
789 res[*count].name = *name ? name : "Unknown";
790 res[*count].hits = client_get_hits(cl);
791 res[*count].records = client_get_num_records(cl);
792 res[*count].diagnostic = client_get_diagnostic(cl);
793 res[*count].state = client_get_state_str(cl);
794 res[*count].connected = client_get_connection(cl) ? 1 : 0;
801 struct termlist_score **termlist(struct session *s, const char *name, int *num)
805 for (i = 0; i < s->num_termlists; i++)
806 if (!strcmp((const char *) s->termlists[i].name, name))
807 return termlist_highscore(s->termlists[i].termlist, num);
811 #ifdef MISSING_HEADERS
812 void report_nmem_stats(void)
814 size_t in_use, is_free;
816 nmem_get_memory_in_use(&in_use);
817 nmem_get_memory_free(&is_free);
819 yaz_log(YLOG_LOG, "nmem stat: use=%ld free=%ld",
820 (long) in_use, (long) is_free);
824 struct record_cluster *show_single(struct session *s, const char *id)
826 struct record_cluster *r;
828 reclist_rewind(s->reclist);
829 while ((r = reclist_read_record(s->reclist)))
830 if (!strcmp(r->recid, id))
835 struct record_cluster **show(struct session *s, struct reclist_sortparms *sp,
836 int start, int *num, int *total, int *sumhits,
839 struct record_cluster **recs = nmem_malloc(nmem_show, *num
840 * sizeof(struct record_cluster *));
841 struct reclist_sortparms *spp;
844 yaz_timing_t t = yaz_timing_create();
856 for (spp = sp; spp; spp = spp->next)
857 if (spp->type == Metadata_sortkey_relevance)
859 relevance_prepare_read(s->relevance, s->reclist);
862 reclist_sort(s->reclist, sp);
864 *total = s->reclist->num_records;
865 *sumhits = s->total_hits;
867 for (i = 0; i < start; i++)
868 if (!reclist_read_record(s->reclist))
875 for (i = 0; i < *num; i++)
877 struct record_cluster *r = reclist_read_record(s->reclist);
888 yaz_log(YLOG_LOG, "show %6.5f %3.2f %3.2f",
889 yaz_timing_get_real(t), yaz_timing_get_user(t),
890 yaz_timing_get_sys(t));
891 yaz_timing_destroy(&t);
896 void statistics(struct session *se, struct statistics *stat)
901 memset(stat, 0, sizeof(*stat));
902 for (cl = se->clients; cl; cl = client_next_in_session(cl))
904 if (!client_get_connection(cl))
905 stat->num_no_connection++;
906 switch (client_get_state(cl))
908 case Client_Connecting: stat->num_connecting++; break;
909 case Client_Initializing: stat->num_initializing++; break;
910 case Client_Searching: stat->num_searching++; break;
911 case Client_Presenting: stat->num_presenting++; break;
912 case Client_Idle: stat->num_idle++; break;
913 case Client_Failed: stat->num_failed++; break;
914 case Client_Error: stat->num_error++; break;
919 stat->num_hits = se->total_hits;
920 stat->num_records = se->total_records;
922 stat->num_clients = count;
925 void start_http_listener(void)
928 struct conf_server *ser = global_parameters.server;
930 if (*global_parameters.listener_override)
931 strcpy(hp, global_parameters.listener_override);
934 strcpy(hp, ser->host ? ser->host : "");
939 sprintf(hp + strlen(hp), "%d", ser->port);
945 void start_proxy(void)
948 struct conf_server *ser = global_parameters.server;
950 if (*global_parameters.proxy_override)
951 strcpy(hp, global_parameters.proxy_override);
952 else if (ser->proxy_host || ser->proxy_port)
954 strcpy(hp, ser->proxy_host ? ser->proxy_host : "");
959 sprintf(hp + strlen(hp), "%d", ser->proxy_port);
965 http_set_proxyaddr(hp, ser->myurl ? ser->myurl : "");
969 // Master list of connections we're handling events to
970 static IOCHAN channel_list = 0;
971 void pazpar2_add_channel(IOCHAN chan)
973 chan->next = channel_list;
977 void pazpar2_event_loop()
979 event_loop(&channel_list);
982 static struct record_metadata *record_metadata_init(
983 NMEM nmem, char *value, enum conf_metadata_type type)
985 struct record_metadata *rec_md = record_metadata_create(nmem);
986 if (type == Metadata_type_generic)
989 p = normalize7bit_generic(p, " ,/.:([");
991 rec_md->data.text = nmem_strdup(nmem, p);
993 else if (type == Metadata_type_year)
996 if (extract7bit_years((char *) value, &first, &last) < 0)
998 rec_md->data.number.min = first;
999 rec_md->data.number.max = last;
1006 struct record *ingest_record(struct client *cl, Z_External *rec,
1009 xmlDoc *xdoc = normalize_record(client_get_database(cl), rec);
1011 struct record *record;
1012 struct record_cluster *cluster;
1013 struct session *se = client_get_session(cl);
1014 xmlChar *mergekey, *mergekey_norm;
1017 struct conf_service *service = global_parameters.server->service;
1022 root = xmlDocGetRootElement(xdoc);
1023 if (!(mergekey = xmlGetProp(root, (xmlChar *) "mergekey")))
1025 yaz_log(YLOG_WARN, "No mergekey found in record");
1030 record = record_create(se->nmem,
1031 service->num_metadata, service->num_sortkeys, cl,
1034 mergekey_norm = (xmlChar *) nmem_strdup(se->nmem, (char*) mergekey);
1036 normalize7bit_mergekey((char *) mergekey_norm, 0);
1038 cluster = reclist_insert(se->reclist,
1039 global_parameters.server->service,
1040 record, (char *) mergekey_norm,
1042 if (global_parameters.dump_records)
1043 yaz_log(YLOG_LOG, "Cluster id %s from %s (#%d)", cluster->recid,
1044 client_get_database(cl)->database->url, record_no);
1047 /* no room for record */
1051 relevance_newrec(se->relevance, cluster);
1054 // now parsing XML record and adding data to cluster or record metadata
1055 for (n = root->children; n; n = n->next)
1063 if (n->type != XML_ELEMENT_NODE)
1065 if (!strcmp((const char *) n->name, "metadata"))
1067 struct conf_metadata *ser_md = 0;
1068 struct conf_sortkey *ser_sk = 0;
1069 struct record_metadata **wheretoput = 0;
1070 struct record_metadata *rec_md = 0;
1071 int md_field_id = -1;
1072 int sk_field_id = -1;
1074 type = xmlGetProp(n, (xmlChar *) "type");
1075 value = xmlNodeListGetString(xdoc, n->children, 1);
1077 if (!type || !value)
1081 = conf_service_metadata_field_id(service, (const char *) type);
1082 if (md_field_id < 0)
1085 "Ignoring unknown metadata element: %s", type);
1089 ser_md = &service->metadata[md_field_id];
1091 if (ser_md->sortkey_offset >= 0){
1092 sk_field_id = ser_md->sortkey_offset;
1093 ser_sk = &service->sortkeys[sk_field_id];
1096 // non-merged metadata
1097 rec_md = record_metadata_init(se->nmem, (char *) value,
1101 yaz_log(YLOG_WARN, "bad metadata data '%s' for element '%s'",
1105 rec_md->next = record->metadata[md_field_id];
1106 record->metadata[md_field_id] = rec_md;
1109 rec_md = record_metadata_init(se->nmem, (char *) value,
1111 wheretoput = &cluster->metadata[md_field_id];
1113 // and polulate with data:
1114 // assign cluster or record based on merge action
1115 if (ser_md->merge == Metadata_merge_unique)
1117 struct record_metadata *mnode;
1118 for (mnode = *wheretoput; mnode; mnode = mnode->next)
1119 if (!strcmp((const char *) mnode->data.text,
1124 rec_md->next = *wheretoput;
1125 *wheretoput = rec_md;
1128 else if (ser_md->merge == Metadata_merge_longest)
1131 || strlen(rec_md->data.text)
1132 > strlen((*wheretoput)->data.text))
1134 *wheretoput = rec_md;
1137 char *s = nmem_strdup(se->nmem, rec_md->data.text);
1138 if (!cluster->sortkeys[sk_field_id])
1139 cluster->sortkeys[sk_field_id] =
1140 nmem_malloc(se->nmem,
1141 sizeof(union data_types));
1142 normalize7bit_mergekey(s,
1143 (ser_sk->type == Metadata_sortkey_skiparticle));
1144 cluster->sortkeys[sk_field_id]->text = s;
1148 else if (ser_md->merge == Metadata_merge_all)
1150 rec_md->next = *wheretoput;
1151 *wheretoput = rec_md;
1153 else if (ser_md->merge == Metadata_merge_range)
1157 *wheretoput = rec_md;
1159 cluster->sortkeys[sk_field_id]
1164 int this_min = rec_md->data.number.min;
1165 int this_max = rec_md->data.number.max;
1166 if (this_min < (*wheretoput)->data.number.min)
1167 (*wheretoput)->data.number.min = this_min;
1168 if (this_max > (*wheretoput)->data.number.max)
1169 (*wheretoput)->data.number.max = this_max;
1174 union data_types *sdata
1175 = cluster->sortkeys[sk_field_id];
1176 yaz_log(YLOG_LOG, "SK range: %d-%d",
1177 sdata->number.min, sdata->number.max);
1183 // ranking of _all_ fields enabled ...
1185 relevance_countwords(se->relevance, cluster,
1186 (char *) value, ser_md->rank);
1188 // construct facets ...
1189 if (ser_md->termlist)
1191 if (ser_md->type == Metadata_type_year)
1194 sprintf(year, "%d", rec_md->data.number.max);
1195 add_facet(se, (char *) type, year);
1196 if (rec_md->data.number.max != rec_md->data.number.min)
1198 sprintf(year, "%d", rec_md->data.number.min);
1199 add_facet(se, (char *) type, year);
1203 add_facet(se, (char *) type, (char *) value);
1213 "Unexpected element %s in internal record", n->name);
1222 relevance_donerecord(se->relevance, cluster);
1223 se->total_records++;
1233 * indent-tabs-mode: nil
1235 * vim: shiftwidth=4 tabstop=8 expandtab