diff -r 3e5d26b4844b -r e2ceeb903de6 web/hdalab/views/ajax.py
--- a/web/hdalab/views/ajax.py	Tue Mar 13 11:12:38 2012 +0100
+++ b/web/hdalab/views/ajax.py	Tue Mar 13 11:33:26 2012 +0100
@@ -10,7 +10,7 @@
 from hdabo.models import Tag, Datasheet, TaggedSheet
 from hdalab.models import (TagLinks, HdaSession, Country, TagYears, 
     DatasheetExtras)
-from hdalab.models.dataviz import DbpediaFieldsTranslation
+from hdalab.models.dataviz import DbpediaFieldsTranslation, DbpediaFields
 import django.utils.simplejson as json
 import hmac
 import itertools
@@ -129,13 +129,19 @@
         lq = q.lower()
     qs = Tag.objects.filter( Q(label__icontains = q ) | Q(dbpedia_fields__translations__label__icontains = q, dbpedia_fields__translations__language_code=request.LANGUAGE_CODE)) if q else Tag.objects.all()        
     qs = qs.annotate(nb=Count('datasheet')).order_by('-nb')[:20]
+    
+    qslist = list(qs)
+    
+    transqs = DbpediaFieldsTranslation.objects.filter(master__tag__in = qslist, language_code=request.LANGUAGE_CODE).select_related("master")
+    
+    translations = dict([(tr.master.tag_id, tr.label) for tr in transqs])
+    
     res = []
     
-    for t in qs:
+    for t in qslist:
         resobj = {'value':t.label,'nb':t.nb}
-        transqs = DbpediaFieldsTranslation.objects.filter(master__tag = t, language_code=request.LANGUAGE_CODE)[0:1]
-        if transqs:
-            resobj['label'] = transqs.get().label
+        if t.id in translations:
+            resobj['label'] = translations[t.id]
         else:
             resobj['label'] = t.label
         if q is None or resobj['label'].lower().find(lq) != -1:
@@ -155,7 +161,7 @@
     
     matchtagids = []
     
-    tagqs = Tag.objects.exclude(category__label__in = ['Datation', 'Localisation', 'Discipline artistique']).select_related('dbpedia_fields')
+    tagqs = Tag.objects.exclude(category__label__in = ['Datation', 'Localisation', 'Discipline artistique'])
     countryqs = Country.objects
     discqs = Tag.objects.filter(category__label = u'Discipline artistique').select_related('dbpedia_fields')
     yearqs = TagYears.objects
@@ -240,6 +246,7 @@
 
     #tagqs = tagqs.annotate(nb=Count('datasheet')).order_by('-nb')[:tag_count]
     tagqs = tagqs.annotate(nb=Count('datasheet')).order_by('-nb').only('id','label')[:tag_count]
+    #.select_related('dbpedia_fields')
     # hack to add only necessary fields in the group by
     # contournement bug https://code.djangoproject.com/ticket/17144
     tagqs.query.clear_select_fields()
@@ -247,11 +254,13 @@
     tagqs.query.set_group_by()
 
     tagqslist = list(tagqs)
+    
+    dbpediafields = dict([(df.tag_id, df) for df in DbpediaFields.objects.filter(tag__in = tagqslist)])
 
-    transqs = DbpediaFieldsTranslation.objects.filter(master__in = [tag.dbpedia_fields for tag in tagqslist], language_code = request.LANGUAGE_CODE)
+    transqs = DbpediaFieldsTranslation.objects.filter(master__in = dbpediafields.values(), language_code = request.LANGUAGE_CODE)
     translations = dict([(trans.master_id,trans.label) for trans in transqs])
 
-    tags = [{'id': tag.id, 'label': tag.label, 'score': tag.nb, 'translated_label': translations.get(tag.dbpedia_fields.id, tag.label) if tag.dbpedia_fields is not None else tag.label} for tag in tagqslist]
+    tags = [{'id': tag.id, 'label': tag.label, 'score': tag.nb, 'translated_label': translations.get(dbpediafields[tag.id].id, tag.label) if tag.id in dbpediafields else tag.label} for tag in tagqslist]
 
     countryqs = countryqs.annotate(nb=Count('includes__tag__taggedsheet'))
     countries = dict([(country.dbpedia_uri, country.nb) for country in countryqs])