From 186e99a6b10f92bf994322f4f3eacd64f56c1a13 Mon Sep 17 00:00:00 2001
From: Heikki Levanto <heikki@indexdata.dk>
Date: Mon, 27 Jul 2015 15:34:56 +0200
Subject: [PATCH] PAZ-1013: Do not re-search if facet-id mapping not found

Conflicts:
	src/client.c
	src/session.c
---
 NEWS          |    4 ++++
 src/client.c  |   16 +++++++++++++++-
 src/session.c |   19 ++++++++++++++-----
 3 files changed, 33 insertions(+), 6 deletions(-)

diff --git a/NEWS b/NEWS
index 5db352c..118c3f8 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+--- next version
+
+fix PAZ-1013 - do not re-search if facetlimit scan fails to find value
+
 --- 1.11.2 2015/07/21
 
 Fix PAZ-1015, which prevented the docs from being built, and therefore
diff --git a/src/client.c b/src/client.c
index b498751..1c53733 100644
--- a/src/client.c
+++ b/src/client.c
@@ -1386,7 +1386,21 @@ static int apply_limit(struct client *cl,
                                                              cl, name,
                                                              values[i]);
                     if (id)
-                        values[i] = nmem_strdup(nmem_tmp, id);
+                    {
+                        if ( *id )
+                        {
+                            values[i] = nmem_strdup(nmem_tmp, id);
+                            yaz_log(YLOG_DEBUG,
+                                "apply_limit: s='%s' found id '%s'",s->name,id );
+                        }
+                        else
+                        {
+                            yaz_log(YLOG_DEBUG,
+                                "apply_limit: %s: term '%s' not found, failing client",
+                                s->name, values[i] );
+                            ret = -1;
+                        }
+                    }
                 }
                 nmem_strsplit_escape2(nmem_tmp, ",", s->value, &cvalues,
                                       &cnum, 1, '\\', 1);
diff --git a/src/session.c b/src/session.c
index c607418..b590001 100644
--- a/src/session.c
+++ b/src/session.c
@@ -228,18 +228,27 @@ static void session_add_id_facet(struct session *s, struct client *cl,
 }
 
 
+// Look up a facet term, and return matching id
+// If facet type not found, returns 0
+// If facet type found, but no matching term, returns ""
 const char *session_lookup_id_facet(struct session *s, struct client *cl,
                                     const char *type,
                                     const char *term)
 {
+    char *retval = 0;
     struct facet_id *t = s->facet_id_list;
-    for (; t; t = t->next)
-        if (!strcmp(client_get_id(cl), t->client_id) &&
-            !strcmp(t->type, type) && !strcmp(t->term, term))
+    for (; t; t = t->next) 
+    {
+        if (!strcmp(client_get_id(cl), t->client_id) &&  !strcmp(t->type, type) )
         {
-            return t->id;
+            retval = "";
+            if ( !strcmp(t->term, term))
+            {
+                return t->id;
+            }
         }
-    return 0;
+    }
+    return retval;
 }
 
 void add_facet(struct session *s, const char *type, const char *value, int count, struct client *cl)
-- 
1.7.10.4