Fix search in postgres

Stupid missing group_by again

data/model/repository.py

@@ -105,7 +105,7 @@ def purge_repository(namespace_name, repository_name):
     return False
 
   fetched.delete_instance(recursive=True, delete_nullable=False)
-  
+
   # Run callbacks
   for callback in config.repo_cleanup_callbacks:
     callback(namespace_name, repository_name)
@@ -279,8 +279,8 @@ def unstar_repository(user, repository):
      .execute())
   except Star.DoesNotExist:
     raise DataModelException('Star not found.')
-  
-  
+
+
 def set_trust(repo, trust_enabled):
   repo.trust_enabled = trust_enabled
   repo.save()
@@ -481,6 +481,7 @@ def _get_sorted_matching_repositories(lookup_value, repo_kind='image', include_p
   query = (query
            .switch(Repository)
            .join(RepositorySearchScore)
+           .group_by(Repository, Namespace, RepositorySearchScore)
            .order_by(RepositorySearchScore.score.desc()))
 
   return query