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]

oml/queryparser.py

@@ -5,7 +5,7 @@ import unicodedata
 import sqlalchemy.orm.exc
 from sqlalchemy.sql import operators
 from sqlalchemy.orm import load_only
-from sqlalchemy.sql.expression import text
+from sqlalchemy.sql.expression import text, column
 
 import utils
 import settings
@@ -14,6 +14,7 @@ from fulltext import find_fulltext
 import logging
 logger = logging.getLogger(__name__)
 
+
 def get_operator(op, type='str'):
     return {
         'str': {
@@ -135,7 +136,8 @@ class Parser(object):
             q = get_operator(op)(self._find.findvalue, v)
             if k != '*':
                 q &= (self._find.key == k)
-            ids = self._model.query.join(self._find).filter(q).options(load_only('id'))
+            ids = self._find.query.filter(q).with_entities(column('item_id'))
+            ids = [i[0] for i in ids]
             return self.in_ids(ids, exclude)
         elif k == 'list':
             nickname, name = v.split(':', 1)
@@ -269,5 +271,4 @@ class Parser(object):
                                            data.get('query', {}).get('operator', '&'))
         for c in conditions:
             qs = qs.filter(c)
-        #print(qs)
         return qs