X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=src%2Fsession.c;h=d4e4a3c8318953e63f5981aac45c67405b1b33b5;hb=0bb0ee0e00d750808e228b991c78cb4838bc989d;hp=c5401cf24129431d152c3acc661a90df83b8d847;hpb=74c1fc846719bbfbfec81af3f967e56436f7d9c2;p=pazpar2-moved-to-github.git

diff --git a/src/session.c b/src/session.c
index c5401cf..d4e4a3c 100644
--- a/src/session.c
+++ b/src/session.c
@@ -1,5 +1,5 @@
 /* This file is part of Pazpar2.
-   Copyright (C) 2006-2012 Index Data
+   Copyright (C) 2006-2013 Index Data
 
 Pazpar2 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
@@ -56,7 +56,6 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #include <yaz/querytowrbuf.h>
 #include <yaz/oid_db.h>
 #include <yaz/snprintf.h>
-#include <yaz/gettimeofday.h>
 
 #define USE_TIMING 0
 #if USE_TIMING
@@ -149,14 +148,18 @@ static void log_xml_doc(xmlDoc *doc)
     xmlFree(result);
 }
 
-static void session_enter(struct session *s)
+static void session_enter(struct session *s, const char *caller)
 {
+    if (caller)
+        session_log(s, YLOG_DEBUG, "Session lock by %s", caller);
     yaz_mutex_enter(s->session_mutex);
 }
 
-static void session_leave(struct session *s)
+static void session_leave(struct session *s, const char *caller)
 {
     yaz_mutex_leave(s->session_mutex);
+    if (caller)
+        session_log(s, YLOG_DEBUG, "Session unlock by %s", caller);
 }
 
 static void session_normalize_facet(struct session *s, const char *type,
@@ -253,8 +256,7 @@ static xmlDoc *record_to_xml(struct session *se,
 
     if (!rdoc)
     {
-        session_log(se, YLOG_FATAL, "Non-wellformed XML received from %s",
-                    db->id);
+        session_log(se, YLOG_WARN, "Non-wellformed XML");
         return 0;
     }
 
@@ -347,8 +349,7 @@ static xmlDoc *normalize_record(struct session *se,
 
         if (normalize_record_transform(sdb->map, &rdoc, (const char **)parms))
         {
-            session_log(se, YLOG_WARN, "Normalize failed from %s",
-                        sdb->database->id);
+            session_log(se, YLOG_WARN, "Normalize failed");
         }
         else
         {
@@ -463,7 +464,7 @@ int session_set_watch(struct session *s, int what,
                       struct http_channel *chan)
 {
     int ret;
-    session_enter(s);
+    session_enter(s, "session_set_watch");
     if (s->watchlist[what].fun)
         ret = -1;
     else
@@ -475,14 +476,14 @@ int session_set_watch(struct session *s, int what,
                                                    session_watch_cancel);
         ret = 0;
     }
-    session_leave(s);
+    session_leave(s, "session_set_watch");
     return ret;
 }
 
 void session_alert_watch(struct session *s, int what)
 {
     assert(s);
-    session_enter(s);
+    session_enter(s, "session_alert_watch");
     if (s->watchlist[what].fun)
     {
         /* our watch is no longer associated with http_channel */
@@ -499,13 +500,13 @@ void session_alert_watch(struct session *s, int what)
         s->watchlist[what].data = 0;
         s->watchlist[what].obs = 0;
 
-        session_leave(s);
+        session_leave(s, "session_alert_watch");
         session_log(s, YLOG_DEBUG,
                     "Alert Watch: %d calling function: %p", what, fun);
         fun(data);
     }
     else
-        session_leave(s);
+        session_leave(s,"session_alert_watch");
 }
 
 //callback for grep_databases
@@ -545,10 +546,10 @@ static void session_reset_active_clients(struct session *se,
 {
     struct client_list *l;
 
-    session_enter(se);
+    session_enter(se, "session_reset_active_clients");
     l = se->clients_active;
     se->clients_active = new_list;
-    session_leave(se);
+    session_leave(se, "session_reset_active_clients");
 
     while (l)
     {
@@ -569,10 +570,10 @@ static void session_remove_cached_clients(struct session *se)
 
     session_reset_active_clients(se, 0);
 
-    session_enter(se);
+    session_enter(se, "session_remove_cached_clients");
     l = se->clients_cached;
     se->clients_cached = 0;
-    session_leave(se);
+    session_leave(se, "session_remove_cached_clients");
 
     while (l)
     {
@@ -619,8 +620,7 @@ int session_is_preferred_clients_ready(struct session *s)
     return res == 0;
 }
 
-static void session_clear_set(struct session *se,
-                              const char *sort_field, int increasing, int position)
+static void session_clear_set(struct session *se, struct reclist_sortparms *sp)
 {
     reclist_destroy(se->reclist);
     se->reclist = 0;
@@ -633,55 +633,69 @@ static void session_clear_set(struct session *se,
 
     /* reset list of sorted results and clear to relevance search */
     se->sorted_results = nmem_malloc(se->nmem, sizeof(*se->sorted_results));
-    se->sorted_results->field = nmem_strdup(se->nmem, sort_field);
-    se->sorted_results->increasing = increasing;
-    se->sorted_results->position = position;
+    se->sorted_results->name = nmem_strdup(se->nmem, sp->name);
+    se->sorted_results->increasing = sp->increasing;
+    se->sorted_results->type = sp->type;
     se->sorted_results->next = 0;
 
-    session_log(se, YLOG_DEBUG, "clear_set session_sort: field=%s increasing=%d position=%d configured",
-                sort_field, increasing, position);
+    session_log(se, YLOG_DEBUG, "clear_set session_sort: field=%s increasing=%d type=%d configured",
+            sp->name, sp->increasing, sp->type);
 
     se->reclist = reclist_create(se->nmem);
 }
 
-void session_sort(struct session *se, const char *field, int increasing,
-                  int position)
+static void session_sort_unlocked(struct session *se, struct reclist_sortparms *sp)
 {
-    struct session_sorted_results *sr;
+    struct reclist_sortparms *sr;
     struct client_list *l;
+    const char *field = sp->name;
+    int increasing = sp->increasing;
+    int type  = sp->type;
+    int clients_research = 0;
 
-    session_enter(se);
-
-    yaz_log(YLOG_LOG, "session_sort field=%s increasing=%d position=%d", field, increasing, position);
-    /* see if we already have sorted for this critieria */
+    yaz_log(YLOG_LOG, "session_sort field=%s increasing=%d type=%d", field, increasing, type);
+    /* see if we already have sorted for this criteria */
     for (sr = se->sorted_results; sr; sr = sr->next)
     {
-        if (!strcmp(field, sr->field) && increasing == sr->increasing && sr->position == position)
+        if (!reclist_sortparms_cmp(sr,sp))
             break;
     }
     if (sr)
     {
-        session_log(se, YLOG_DEBUG, "search_sort: field=%s increasing=%d position=%d already fetched",
-                    field, increasing, position);
-        session_leave(se);
+        session_log(se, YLOG_DEBUG, "search_sort: field=%s increasing=%d type=%d already fetched",
+                    field, increasing, type);
         return;
     }
-    session_log(se, YLOG_DEBUG, "search_sort: field=%s increasing=%d position=%d must fetch",
-                field, increasing, position);
-    if (position)
+    session_log(se, YLOG_DEBUG, "search_sort: field=%s increasing=%d type=%d must fetch",
+                    field, increasing, type);
+
+    // We need to reset reclist on every sort that changes the records, not just for position
+    // So if just one client requires new searching, we need to clear set.
+    // Ask each of the client if sorting requires re-search due to native sort
+    // If it does it will require us to
+    for (l = se->clients_active; l; l = l->next)
     {
-        yaz_log(YLOG_DEBUG, "Reset results due to position");
-        session_clear_set(se, field, increasing, position);
+        struct client *cl = l->client;
+        // Assume no re-search is required.
+        client_parse_init(cl, 1);
+        clients_research += client_parse_sort(cl, sp);
+    }
+    if (clients_research) {
+        yaz_log(YLOG_DEBUG, "Reset results due to %d clients researching", clients_research);
+        session_clear_set(se, sp);
     }
     else {
+        // A new sorting based on same record set
         sr = nmem_malloc(se->nmem, sizeof(*sr));
-        sr->field = nmem_strdup(se->nmem, field);
+        sr->name = nmem_strdup(se->nmem, field);
         sr->increasing = increasing;
-        sr->position = position;
+        sr->type = type;
         sr->next = se->sorted_results;
         se->sorted_results = sr;
+        session_log(se, YLOG_DEBUG, "No research/ingesting done");
+        return ;
     }
-    yaz_log(YLOG_DEBUG, "Restarting search for clients due to change in sort order");
+    session_log(se, YLOG_DEBUG, "Re- search/ingesting for clients due to change in sort order");
 
     for (l = se->clients_active; l; l = l->next)
     {
@@ -689,13 +703,23 @@ void session_sort(struct session *se, const char *field, int increasing,
         if (client_get_state(cl) == Client_Connecting ||
             client_get_state(cl) == Client_Idle ||
             client_get_state(cl) == Client_Working) {
-            yaz_log(YLOG_DEBUG, "Client %s: Restarting search due to change in sort order", client_get_id(cl));
             client_start_search(cl);
         }
+        else {
+            yaz_log(YLOG_DEBUG, "Client %s: No re-start/ingest in show. Wrong client state: %d",
+                        client_get_id(cl), client_get_state(cl));
+        }
+
     }
-    session_leave(se);
 }
 
+void session_sort(struct session *se, struct reclist_sortparms *sp) {
+    //session_enter(se, "session_sort");
+    session_sort_unlocked(se, sp);
+    //session_leave(se, "session_sort");
+}
+
+
 enum pazpar2_error_code session_search(struct session *se,
                                        const char *query,
                                        const char *startrecs,
@@ -710,81 +734,66 @@ enum pazpar2_error_code session_search(struct session *se,
     int no_failed_query = 0;
     int no_failed_limit = 0;
     struct client_list *l, *l0;
-    struct timeval tval;
-    facet_limits_t facet_limits;
 
     session_log(se, YLOG_DEBUG, "Search");
 
     *addinfo = 0;
 
-    if (se->settings_modified)
+    if (se->settings_modified) {
         session_remove_cached_clients(se);
+    }
     else
         session_reset_active_clients(se, 0);
 
-    session_enter(se);
+    session_enter(se, "session_search");
     se->settings_modified = 0;
-    session_clear_set(se, sp->name, sp->increasing, sp->type == Metadata_sortkey_position);
+
+    session_clear_set(se, sp);
     relevance_destroy(&se->relevance);
 
     live_channels = select_targets(se, filter);
     if (!live_channels)
     {
-        session_leave(se);
+        session_leave(se, "session_search");
         return PAZPAR2_NO_TARGETS;
     }
 
-    yaz_gettimeofday(&tval);
-
-    tval.tv_sec += 5;
-
-    facet_limits = facet_limits_create(limit);
-    if (!facet_limits)
+    facet_limits_destroy(se->facet_limits);
+    se->facet_limits = facet_limits_create(limit);
+    if (!se->facet_limits)
     {
         *addinfo = "limit";
-        session_leave(se);
+        session_leave(se, "session_search");
         return PAZPAR2_MALFORMED_PARAMETER_VALUE;
     }
 
     l0 = se->clients_active;
     se->clients_active = 0;
-    session_leave(se);
+    session_leave(se, "session_search");
 
     for (l = l0; l; l = l->next)
     {
         int parse_ret;
         struct client *cl = l->client;
-
+        client_parse_init(cl, 1);
         if (prepare_map(se, client_get_database(cl)) < 0)
             continue;
 
-        parse_ret = client_parse_query(cl, query, facet_limits, startrecs,
-                                       maxrecs, se->service->ccl_bibset);
+        parse_ret = client_parse_query(cl, query, se->facet_limits);
         if (parse_ret == -1)
             no_failed_query++;
         else if (parse_ret == -2)
             no_failed_limit++;
+        else if (parse_ret < 0)
+            no_working++; /* other error, such as bad CCL map */
         else
         {
-            int r =
-                client_prep_connection(cl, se->service->z3950_operation_timeout,
-                                       se->service->z3950_session_timeout,
-                                       se->service->server->iochan_man,
-                                       &tval);
-            if (parse_ret == 1 && r == 2)
-            {
-                session_log(se, YLOG_LOG, "client %s REUSE result", client_get_id(cl));
-                client_reingest(cl);
-            }
-            else if (r)
-            {
-                session_log(se, YLOG_LOG, "client %s NEW search", client_get_id(cl));
-                client_start_search(cl);
-            }
+            client_parse_range(cl, startrecs, maxrecs);
+            client_parse_sort(cl, sp);
+            client_start_search(cl);
             no_working++;
         }
     }
-    facet_limits_destroy(facet_limits);
     session_reset_active_clients(se, l0);
 
     if (no_working == 0)
@@ -916,6 +925,7 @@ void session_destroy(struct session *se)
         session_log(se, YLOG_DEBUG, "NMEN operation usage %zd", nmem_total(se->nmem));
     if (nmem_total(se->session_nmem))
         session_log(se, YLOG_DEBUG, "NMEN session usage %zd", nmem_total(se->session_nmem));
+    facet_limits_destroy(se->facet_limits);
     nmem_destroy(se->nmem);
     service_destroy(se->service);
     yaz_mutex_destroy(&se->session_mutex);
@@ -925,9 +935,9 @@ size_t session_get_memory_status(struct session *session) {
     size_t session_nmem;
     if (session == 0)
         return 0;
-    session_enter(session);
+    session_enter(session, "session_get_memory_status");
     session_nmem = nmem_total(session->nmem);
-    session_leave(session);
+    session_leave(session, "session_get_memory_status");
     return session_nmem;
 }
 
@@ -957,6 +967,9 @@ struct session *new_session(NMEM nmem, struct conf_service *service,
     session->session_nmem = nmem;
     session->nmem = nmem_create();
     session->databases = 0;
+    session->sorted_results = 0;
+    session->facet_limits = 0;
+
     for (i = 0; i <= SESSION_WATCH_MAX; i++)
     {
         session->watchlist[i].data = 0;
@@ -997,7 +1010,8 @@ static struct hitsbytarget *hitsbytarget_nb(struct session *se,
         res[*count].records = client_get_num_records(cl);
         res[*count].filtered = client_get_num_records_filtered(cl);
         res[*count].diagnostic =
-            client_get_diagnostic(cl, &res[*count].addinfo);
+            client_get_diagnostic(cl, &res[*count].message,
+                                  &res[*count].addinfo);
         res[*count].state = client_get_state_str(cl);
         res[*count].connected  = client_get_connection(cl) ? 1 : 0;
         session_settings_dump(se, client_get_database(cl), w);
@@ -1014,9 +1028,9 @@ static struct hitsbytarget *hitsbytarget_nb(struct session *se,
 struct hitsbytarget *get_hitsbytarget(struct session *se, int *count, NMEM nmem)
 {
     struct hitsbytarget *p;
-    session_enter(se);
+    session_enter(se, "get_hitsbytarget");
     p = hitsbytarget_nb(se, count, nmem);
-    session_leave(se);
+    session_leave(se, "get_hitsbytarget");
     return p;
 }
 
@@ -1099,7 +1113,7 @@ void perform_termlist(struct http_channel *c, struct session *se,
 
     nmem_strsplit(nmem_tmp, ",", name, &names, &num_names);
 
-    session_enter(se);
+    session_enter(se, "perform_termlist");
 
     for (j = 0; j < num_names; j++)
     {
@@ -1162,7 +1176,7 @@ void perform_termlist(struct http_channel *c, struct session *se,
             wrbuf_puts(c->wrbuf, "\"/>\n");
         }
     }
-    session_leave(se);
+    session_leave(se, "perform_termlist");
     nmem_destroy(nmem_tmp);
 }
 
@@ -1185,11 +1199,13 @@ struct record_cluster *show_single_start(struct session *se, const char *id,
 {
     struct record_cluster *r = 0;
 
-    session_enter(se);
+    session_enter(se, "show_single_start");
     *prev_r = 0;
     *next_r = 0;
     if (se->reclist)
     {
+        reclist_limit(se->reclist, se);
+
         reclist_enter(se->reclist);
         while ((r = reclist_read_record(se->reclist)))
         {
@@ -1203,76 +1219,72 @@ struct record_cluster *show_single_start(struct session *se, const char *id,
         reclist_leave(se->reclist);
     }
     if (!r)
-        session_leave(se);
+        session_leave(se, "show_single_start");
     return r;
 }
 
 void show_single_stop(struct session *se, struct record_cluster *rec)
 {
-    session_leave(se);
+    session_leave(se, "show_single_stop");
 }
 
+
 struct record_cluster **show_range_start(struct session *se,
                                          struct reclist_sortparms *sp,
-                                         int start, int *num, int *total, Odr_int *sumhits, Odr_int *approx_hits)
+                                         int start, int *num, int *total,
+                                         Odr_int *sumhits, Odr_int *approx_hits)
 {
-    struct record_cluster **recs;
+    struct record_cluster **recs = 0;
     struct reclist_sortparms *spp;
+    struct client_list *l;
     int i;
 #if USE_TIMING
     yaz_timing_t t = yaz_timing_create();
 #endif
-    session_enter(se);
-    recs = nmem_malloc(se->nmem, *num * sizeof(struct record_cluster *));
-    if (!se->relevance)
-    {
-        *num = 0;
-        *total = 0;
-        *sumhits = 0;
-        *approx_hits = 0;
-        recs = 0;
-    }
-    else
+    session_enter(se, "show_range_start");
+    *sumhits = 0;
+    *approx_hits = 0;
+    *total = 0;
+    reclist_limit(se->reclist, se);
+    if (se->relevance)
     {
-        struct client_list *l;
-
         for (spp = sp; spp; spp = spp->next)
             if (spp->type == Metadata_sortkey_relevance)
             {
                 relevance_prepare_read(se->relevance, se->reclist);
                 break;
             }
-        reclist_sort(se->reclist, sp);
-
-        reclist_enter(se->reclist);
-        *total = reclist_get_num_records(se->reclist);
-
-        *sumhits = 0;
-        *approx_hits = 0;
         for (l = se->clients_active; l; l = l->next) {
             *sumhits += client_get_hits(l->client);
             *approx_hits += client_get_approximation(l->client);
         }
-        for (i = 0; i < start; i++)
-            if (!reclist_read_record(se->reclist))
-            {
-                *num = 0;
-                recs = 0;
-                break;
-            }
+    }
+    reclist_sort(se->reclist, sp);
+
+    reclist_enter(se->reclist);
+    *total = reclist_get_num_records(se->reclist);
 
-        for (i = 0; i < *num; i++)
+    for (i = 0; i < start; i++)
+        if (!reclist_read_record(se->reclist))
         {
-            struct record_cluster *r = reclist_read_record(se->reclist);
-            if (!r)
-            {
-                *num = i;
-                break;
-            }
-            recs[i] = r;
+            *num = 0;
+            break;
         }
-        reclist_leave(se->reclist);
+
+    if (*num > 0)
+        recs =
+            nmem_malloc(se->nmem, *num * sizeof(struct record_cluster *));
+    for (i = 0; i < *num; i++)
+    {
+        struct record_cluster *r = reclist_read_record(se->reclist);
+        if (!r)
+        {
+            *num = i;
+            break;
+        }
+        recs[i] = r;
     }
+    reclist_leave(se->reclist);
 #if USE_TIMING
     yaz_timing_stop(t);
     yaz_log(YLOG_LOG, "show %6.5f %3.2f %3.2f",
@@ -1285,7 +1297,7 @@ struct record_cluster **show_range_start(struct session *se,
 
 void show_range_stop(struct session *se, struct record_cluster **recs)
 {
-    session_leave(se);
+    session_leave(se, "show_range_stop");
 }
 
 void statistics(struct session *se, struct statistics *stat)
@@ -1592,15 +1604,101 @@ int ingest_record(struct client *cl, const char *rec,
         xmlFreeDoc(xdoc);
         return -1;
     }
-    session_enter(se);
+    session_enter(se, "ingest_record");
     if (client_get_session(cl) == se)
         ret = ingest_to_cluster(cl, xdoc, root, record_no, mergekey_norm);
-    session_leave(se);
+    session_leave(se, "ingest_record");
 
     xmlFreeDoc(xdoc);
     return ret;
 }
 
+//    struct conf_metadata *ser_md = &service->metadata[md_field_id];
+//    struct record_metadata *rec_md = record->metadata[md_field_id];
+static int match_metadata_local(struct conf_metadata *ser_md,
+                                struct record_metadata *rec_md0,
+                                char **values, int num_v)
+{
+    int i;
+    struct record_metadata *rec_md = rec_md0;
+    for (i = 0; i < num_v; )
+    {
+        if (rec_md)
+        {
+            if (ser_md->type == Metadata_type_year
+                || ser_md->type == Metadata_type_date)
+            {
+                int y = atoi(values[i]);
+                if (y >= rec_md->data.number.min
+                    && y <= rec_md->data.number.max)
+                    break;
+            }
+            else
+            {
+                yaz_log(YLOG_DEBUG, "cmp: '%s' '%s'", rec_md->data.text.disp, values[i]);
+                if (!strcmp(rec_md->data.text.disp, values[i]))
+                {
+                    // Value equals, should not be filtered.
+                    break;
+                }
+            }
+            rec_md = rec_md->next;
+        }
+        else
+        {
+            rec_md = rec_md0;
+            i++;
+        }
+    }
+    return i < num_v ? 1 : 0;
+}
+
+int session_check_cluster_limit(struct session *se, struct record_cluster *rec)
+{
+    int i;
+    struct conf_service *service = se->service;
+    int ret = 1;
+    const char *name;
+    const char *value;
+    NMEM nmem_tmp = nmem_create();
+
+    for (i = 0; (name = facet_limits_get(se->facet_limits, i, &value)); i++)
+    {
+        int j;
+        for (j = 0; j < service->num_metadata; j++)
+        {
+            struct conf_metadata *md = service->metadata + j;
+            if (!strcmp(md->name, name) && md->limitcluster)
+            {
+                char **values = 0;
+                int num = 0;
+                int md_field_id =
+                    conf_service_metadata_field_id(service,
+                                                   md->limitcluster);
+
+                if (md_field_id < 0)
+                {
+                    ret = 0;
+                    break;
+                }
+
+                nmem_strsplit_escape2(nmem_tmp, "|", value, &values,
+                                      &num, 1, '\\', 1);
+
+                if (!match_metadata_local(&service->metadata[md_field_id],
+                                          rec->metadata[md_field_id],
+                                          values, num))
+                {
+                    ret = 0;
+                    break;
+                }
+            }
+        }
+    }
+    nmem_destroy(nmem_tmp);
+    return ret;
+}
+
 // Skip record on non-zero
 static int check_limit_local(struct client *cl,
                              struct record *record,
@@ -1614,60 +1712,45 @@ static int check_limit_local(struct client *cl,
     int l = 0;
     while (!skip_record)
     {
-        struct conf_metadata *ser_md = 0;
-        struct record_metadata *rec_md = 0;
         int md_field_id;
         char **values = 0;
-        int i, num_v = 0;
-
-        const char *name = client_get_facet_limit_local(cl, sdb, &l, nmem_tmp, &num_v, &values);
+        int num_v = 0;
+        const char *name =
+            client_get_facet_limit_local(cl, sdb, &l, nmem_tmp,
+                                         &num_v, &values);
         if (!name)
             break;
 
-        md_field_id = conf_service_metadata_field_id(service, name);
-        if (md_field_id < 0)
+        if (!strcmp(name, "*"))
         {
-            skip_record = 1;
-            break;
+            for (md_field_id = 0; md_field_id < service->num_metadata;
+                 md_field_id++)
+            {
+                if (match_metadata_local(
+                        &service->metadata[md_field_id],
+                        record->metadata[md_field_id],
+                        values, num_v))
+                    break;
+            }
+            if (md_field_id == service->num_metadata)
+                skip_record = 1;
         }
-        ser_md = &service->metadata[md_field_id];
-        rec_md = record->metadata[md_field_id];
-        yaz_log(YLOG_DEBUG, "check limit local %s", name);
-        for (i = 0; i < num_v; )
+        else
         {
-            if (rec_md)
+            md_field_id = conf_service_metadata_field_id(service, name);
+            if (md_field_id < 0)
             {
-                if (ser_md->type == Metadata_type_year
-                    || ser_md->type == Metadata_type_date)
-                {
-                    int y = atoi(values[i]);
-                    if (y >= rec_md->data.number.min
-                        && y <= rec_md->data.number.max)
-                        break;
-                }
-                else
-                {
-                    yaz_log(YLOG_DEBUG, "cmp: '%s' '%s'", rec_md->data.text.disp, values[i]);
-                    if (!strcmp(rec_md->data.text.disp, values[i]))
-                    {
-                        // Value equals, should not be filtered.
-                        break;
-                    }
-                }
-                rec_md = rec_md->next;
+                skip_record = 1;
+                break;
             }
-            else
+            if (!match_metadata_local(
+                    &service->metadata[md_field_id],
+                    record->metadata[md_field_id],
+                    values, num_v))
             {
-                rec_md = record->metadata[md_field_id];
-                i++;
+                skip_record = 1;
             }
         }
-        // At end , not match
-        if (i == num_v)
-        {
-            skip_record = 1;
-            break;
-        }
     }
     nmem_destroy(nmem_tmp);
     return skip_record;
@@ -1686,6 +1769,7 @@ static int ingest_to_cluster(struct client *cl,
     struct conf_service *service = se->service;
     int term_factor = 1;
     struct record_cluster *cluster;
+    struct record_metadata **metadata0;
     struct session_database *sdb = client_get_database(cl);
     struct record *record = record_create(se->nmem,
                                           service->num_metadata,
@@ -1759,7 +1843,7 @@ static int ingest_to_cluster(struct client *cl,
     cluster = reclist_insert(se->reclist, service, record,
                              mergekey_norm, &se->total_merged);
     if (!cluster)
-        return -1;
+        return 0; // complete match with existing record
 
     {
         const char *use_term_factor_str =
@@ -1781,6 +1865,11 @@ static int ingest_to_cluster(struct client *cl,
 
     relevance_newrec(se->relevance, cluster);
 
+    // original metadata, to check if first existence of a field
+    metadata0 = xmalloc(sizeof(*metadata0) * service->num_metadata);
+    memcpy(metadata0, cluster->metadata,
+           sizeof(*metadata0) * service->num_metadata);
+
     // now parsing XML record and adding data to cluster or record metadata
     for (n = root->children; n; n = n->next)
     {
@@ -1826,6 +1915,9 @@ static int ingest_to_cluster(struct client *cl,
             // merged metadata
             rec_md = record_metadata_init(se->nmem, (const char *) value,
                                           ser_md->type, 0);
+
+            // see if the field was not in cluster already (from beginning)
+
             if (!rec_md)
                 continue;
 
@@ -1834,9 +1926,16 @@ static int ingest_to_cluster(struct client *cl,
 
             wheretoput = &cluster->metadata[md_field_id];
 
-            // and polulate with data:
-            // assign cluster or record based on merge action
-            if (ser_md->merge == Metadata_merge_unique)
+            if (ser_md->merge == Metadata_merge_first)
+            {
+                if (!metadata0[md_field_id])
+                {
+                    while (*wheretoput)
+                        wheretoput = &(*wheretoput)->next;
+                    *wheretoput = rec_md;
+                }
+            }
+            else if (ser_md->merge == Metadata_merge_unique)
             {
                 while (*wheretoput)
                 {
@@ -1962,6 +2061,7 @@ static int ingest_to_cluster(struct client *cl,
     if (value)
         xmlFree(value);
 
+    xfree(metadata0);
     relevance_donerecord(se->relevance, cluster);
     se->total_records++;