Allow duplicate tag keys

core/db/__init__.py

@@ -110,7 +110,8 @@ class StorageBackend(object):
             if not query_created:
                 search_query = self.construct_query(None, size, index, blank=True)
                 query_created = True
-            for tagname, tagvalue in tags.items():
+            for item in tags:
+                for tagname, tagvalue in item.items():
                     add_bool.append({tagname: tagvalue})
 
         valid = self.check_valid_query(query_params, custom_query)

core/views/ui/drilldown.py

@@ -60,14 +60,14 @@ def parse_tags(tags_pre):
     """
     Parse the tags from the variable tags_pre.
     """
-    tags = {}
+    tags = []
     tags_spl = tags_pre.split(",")
     if tags_spl:
         for tag in tags_spl:
             tag = tag.split(": ")
             if len(tag) == 2:
                 key, val = tag
-                tags[key] = val
+                tags.append({key: val})
     return tags