Merge pull request #7 from neogeo-technologies/redmine-issues/14001

Fix datastore sort by date

ckanext/datastore/backend/postgres.py

@@ -1719,15 +1719,14 @@ def datastore_search(self, context, data_dict, fields_types, query_dict):
 
         select_cols = []
         records_format = data_dict.get(u'records_format')
-        json_values = records_format in (u'objects', u'lists')
         for field_id in field_ids:
             fmt = u'to_json({0})' if records_format == u'lists' else u'{0}'
             typ = fields_types.get(field_id)
             if typ == u'nested':
                 fmt = u'({0}).json'
             elif typ == u'timestamp':
                 fmt = u"to_char({0}, 'YYYY-MM-DD\"T\"HH24:MI:SS')"
-                if json_values:
+                if records_format == u'lists':
                     fmt = u"to_json({0})".format(fmt)
             elif typ.startswith(u'_') or typ.endswith(u'[]'):
                 fmt = u'array_to_json({0})'