line, type: fix index

line.py

@@ -245,7 +245,7 @@ class Line(SecondCurrencyMixin, MemCacheIndexMx, Workflow, ModelSQL, ModelView):
                 (t.state, Index.Equality())),
             Index(
                 t,
-                (t.reference, Index.Range())),
+                (t.reference, Index.Equality())),
             })
         cls._sql_constraints.extend([
             ('state_val2',

types.py

@@ -3,7 +3,7 @@
 # The COPYRIGHT file at the top level of this repository contains the
 # full copyright notices and license terms.
 
-from trytond.model import ModelView, ModelSQL, fields, Unique
+from trytond.model import ModelView, ModelSQL, fields, Unique, Index
 from trytond.transaction import Transaction
 from trytond.i18n import gettext
 
@@ -30,6 +30,11 @@ class Type(ModelSQL, ModelView):
         cls._sql_constraints.extend([
             ('code_uniq', Unique(t, t.short), 'cashbook.msg_type_short_unique'),
             ])
+        cls._sql_indexes.update({
+            Index(
+                t,
+                (t.feature, Index.Equality())),
+            })
 
     @classmethod
     def default_feature(cls):