Tryton 6.8: tests, indexes, info

rate.py

@@ -4,7 +4,7 @@
 # full copyright notices and license terms.
 
 from trytond.model import (
-        ModelView, ModelSQL, fields, Unique, Check, SymbolMixin)
+        ModelView, ModelSQL, fields, Unique, Check, SymbolMixin, Index)
 from trytond.transaction import Transaction
 from trytond.pool import Pool
 from trytond.pyson import Eval
@@ -15,11 +15,11 @@ class Rate(SymbolMixin, ModelSQL, ModelView):
     __name__ = 'investment.rate'
 
     asset = fields.Many2One(
-        string='Asset', required=True, select=True, ondelete='CASCADE',
+        string='Asset', required=True, ondelete='CASCADE',
         model_name='investment.asset')
-    date = fields.Date(string='Date', required=True, select=True)
+    date = fields.Date(string='Date', required=True)
     rate = fields.Numeric(
-        string='Rate', required=True, select=True,
+        string='Rate', required=True,
         digits=(16, Eval('asset_digits', 4)), depends=['asset_digits'])
 
     asset_digits = fields.Function(fields.Integer(
@@ -46,6 +46,14 @@ class Rate(SymbolMixin, ModelSQL, ModelView):
                 'currency.msg_rate_positive'),
             ]
         cls._order.insert(0, ('date', 'DESC'))
+        cls._sql_indexes.update({
+            Index(
+                t,
+                (t.date, Index.Range(order='DESC'))),
+            Index(
+                t,
+                (t.rate, Index.Range())),
+            })
 
     @classmethod
     def default_date(cls):