work around new sqlalchemy limitations

oml/item/api.py

@@ -5,7 +5,7 @@ import os
 import unicodedata
 
 from sqlalchemy.orm import load_only
-from sqlalchemy.sql.expression import text
+from sqlalchemy.sql.expression import text, column
 from sqlalchemy import func
 
 from oxtornado import actions
@@ -58,8 +58,13 @@ def find(data):
             qs = models.Find.query.filter_by(key=q['group'])
             if items is None or items.first():
                 if items is not None:
-                    qs = qs.filter(models.Find.item_id.in_(items))
-                values = list(qs.values('value', 'findvalue', 'sortvalue'))
+                    ids = [i[0] for i in items.with_entities(column('id'))]
+                    qs = qs.filter(models.Find.item_id.in_(ids))
+                values = list(qs.values(
+                    column('value'),
+                    column('findvalue'),
+                    column('sortvalue'),
+                ))
                 for f in values:
                     value = f[0]
                     findvalue = f[1]