X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=src%2Freclists.c;h=2ba9b4d9afae8135217d1c7b6cae99204c7338e8;hb=7d103e1dcbb332af2b4dd725cd7689057eed0092;hp=284d19c39beef11b28160210a22b917e82fb788a;hpb=5e525d47d446d0c02985f007ae0fb0905444e305;p=pazpar2-moved-to-github.git

diff --git a/src/reclists.c b/src/reclists.c
index 284d19c..2ba9b4d 100644
--- a/src/reclists.c
+++ b/src/reclists.c
@@ -1,5 +1,5 @@
 /* This file is part of Pazpar2.
-   Copyright (C) 2006-2010 Index Data
+   Copyright (C) 2006-2012 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
@@ -25,7 +25,8 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 #include <yaz/yaz-util.h>
 
-#include "pazpar2.h"
+#include "ppmutex.h"
+#include "session.h"
 #include "reclists.h"
 #include "jenkins_hash.h"
 
@@ -84,6 +85,10 @@ struct reclist_sortparms *reclist_parse_sortparms(NMEM nmem, const char *parms,
         if (!strcmp(parm, "relevance"))
         {
             type = Metadata_sortkey_relevance;
+        } 
+        else if (!strcmp(parm, "position"))
+        {
+            type = Metadata_sortkey_position;
         }
         else
         {
@@ -111,6 +116,7 @@ struct reclist_sortparms *reclist_parse_sortparms(NMEM nmem, const char *parms,
         new->offset = offset;
         new->type = type;
         new->increasing = increasing;
+        new->name = nmem_strdup(nmem, parm);
         rp = &new->next;
         if (*(parms = cpp))
             parms++;
@@ -162,6 +168,23 @@ static int reclist_cmp(const void *p1, const void *p2)
             else
                 res = 0;
             break;
+        case Metadata_sortkey_position:
+            if (r1->records && r2->records)
+            {
+                int pos1 = 0, pos2 = 0;
+                struct record *rec;
+                for (rec = r1->records; rec; rec = rec->next)
+                    if (pos1 == 0 || rec->position < pos1)
+                        pos1 = rec->position;
+                for (rec = r2->records; rec; rec = rec->next)
+                    if (pos2 == 0 || rec->position < pos2)
+                        pos2 = rec->position;
+                if (s->increasing)
+                    res = pos1 - pos2;
+                else
+                    res = pos2 - pos1;
+            }
+            break;
         default:
             yaz_log(YLOG_WARN, "Bad sort type: %d", s->type);
             res = 0;
@@ -249,13 +272,14 @@ struct reclist *reclist_create(NMEM nmem)
 
     res->num_records = 0;
     res->mutex = 0;
-    yaz_mutex_create(&res->mutex);
+    pazpar2_mutex_create(&res->mutex, "reclist");
     return res;
 }
 
 void reclist_destroy(struct reclist *l)
 {
-    yaz_mutex_destroy(&l->mutex);
+    if (l)
+        yaz_mutex_destroy(&l->mutex);
 }
 
 int reclist_get_num_records(struct reclist *l)
@@ -266,10 +290,10 @@ int reclist_get_num_records(struct reclist *l)
 }
 
 // Insert a record. Return record cluster (newly formed or pre-existing)
-struct record_cluster *reclist_insert( struct reclist *l,
-                                       struct conf_service *service, 
-                                       struct record  *record,
-                                       char *merge_key, int *total)
+struct record_cluster *reclist_insert(struct reclist *l,
+                                      struct conf_service *service, 
+                                      struct record *record,
+                                      const char *merge_key, int *total)
 {
     unsigned int bucket;
     struct reclist_bucket **p;
@@ -290,6 +314,17 @@ struct record_cluster *reclist_insert( struct reclist *l,
         if (!strcmp(merge_key, (*p)->record->merge_key))
         {
             struct record_cluster *existing = (*p)->record;
+            struct record *re = existing->records;
+
+            for (; re; re = re->next)
+            {
+                if (re->client == record->client &&
+                    record_compare(record, re, service))
+                { 
+                    yaz_mutex_leave(l->mutex);
+                    return 0;
+                }
+            }
             record->next = existing->records;
             existing->records = record;
             cluster = existing;
@@ -307,10 +342,10 @@ struct record_cluster *reclist_insert( struct reclist *l,
         new->record = cluster;
         new->hnext = 0;
         cluster->records = record;
-        cluster->merge_key = merge_key;
+        cluster->merge_key = nmem_strdup(l->nmem, merge_key);
         cluster->relevance_score = 0;
         cluster->term_frequency_vec = 0;
-        cluster->recid = merge_key;
+        cluster->recid = nmem_strdup(l->nmem, merge_key);
         (*total)++;
         cluster->metadata =
             nmem_malloc(l->nmem,