Via property the directory id with type uuid can now be indexed

src/onegov/directory/models/directory_entry.py

@@ -44,8 +44,8 @@ def es_public(self):
     name = Column(Text, nullable=False)
 
     #: The directory this entry belongs to
-    directory_id: 'Column[UUID]' = Column(
-        ForeignKey('directories.id'), nullable=False)
+    _directory_id: 'Column[UUID]' = Column(
+        ForeignKey('directories.id'), name='directory_id', nullable=False)
 
     #: the polymorphic type of the entry
     type = Column(Text, nullable=False, default=lambda: 'generic')
@@ -74,6 +74,10 @@ def es_public(self):
         Index('unique_entry_name', 'directory_id', 'name', unique=True),
     )
 
+    @property
+    def directory_id(self):
+        return self.directory_id
+
     @property
     def external_link(self):
         return self.directory.configuration.extract_link(self.values)