Add issue7897.diff - [analytic_account] Remove positive constraint on debit/credit

issue7897.diff

@@ -0,0 +1,24 @@
+diff -r 15ac73b893d2 trytond/trytond/modules/analytic_account/line.py
+--- a/trytond/trytond/modules/analytic_account/line.py	Wed Feb 20 23:32:36 2019 +0100
++++ b/trytond/trytond/modules/analytic_account/line.py	Wed Feb 20 23:33:13 2019 +0100
+@@ -48,8 +48,8 @@
+     def __setup__(cls):
+         super(Line, cls).__setup__()
+         cls._sql_constraints += [
+-            ('credit_debit',
+-                'CHECK((credit * debit = 0.0) AND (credit + debit >= 0.0))',
++            ('credit_debit_',
++                'CHECK(credit * debit = 0.0)',
+                 'Wrong credit/debit values.'),
+             ]
+         cls._error_messages.update({
+@@ -71,6 +71,9 @@
+         # Migration from 1.2 currency has been changed in function field
+         table.not_null_action('currency', action='remove')
+
++        # Migration from 5.0: replace credit_debit constraint by credit_debit_
++        table.drop_constraint('credit_debit')
++
+     @staticmethod
+     def default_date():
+         Date = Pool().get('ir.date')

series

@@ -131,6 +131,7 @@ stock_lot_check_moves_without_lot_before_lot_required.diff
 issue3228.diff # [trytond] Fix result order of search_read
 issue7856.diff # [stock] Can't move qty from a parent location to child location
 issue8058.diff # [stock_supply_production] Can't create productions from request because exceeds digits limit
+issue7897.diff # [analytic_account] Remove positive constraint on debit/credit
 
 # electr
 # issue6626_improve_performance_of_average_cost_price.diff