diff --git a/openerp/addons/base/ir/ir_sequence.py b/openerp/addons/base/ir/ir_sequence.py
index 9ab74bc3302..5ac126ebfed 100644
--- a/openerp/addons/base/ir/ir_sequence.py
+++ b/openerp/addons/base/ir/ir_sequence.py
@@ -54,6 +54,34 @@ class ir_sequence(openerp.osv.osv.osv):
"""
_name = 'ir.sequence'
_order = 'name'
+
+ def _get_number_next_actual(self, cr, user, ids, field_name, arg, context=None):
+ '''Return number from ir_sequence row when no_gap implementation,
+ and number from postgres sequence when standard implementation.'''
+ res = dict.fromkeys(ids)
+ for element in self.browse(cr, user, ids, context=context):
+ if element.implementation != 'standard':
+ res[element.id] = element.number_next
+ else:
+ # get number from postgres sequence. Cannot use
+ # currval, because that might give an error when
+ # not having used nextval before.
+ statement = (
+ "SELECT last_value, increment_by, is_called"
+ " FROM ir_sequence_%03d"
+ % element.id)
+ cr.execute(statement)
+ (last_value, increment_by, is_called) = cr.fetchone()
+ if is_called:
+ res[element.id] = last_value + increment_by
+ else:
+ res[element.id] = last_value
+ return res
+
+ def _set_number_next_actual(self, cr, uid, id, name, value, args=None, context=None):
+ return self.write(cr, uid, id, {'number_next': value or 0}, context=context)
+
+
_columns = {
'name': openerp.osv.fields.char('Name', size=64, required=True),
'code': openerp.osv.fields.selection(_code_get, 'Code', size=64),
@@ -67,6 +95,7 @@ class ir_sequence(openerp.osv.osv.osv):
'prefix': openerp.osv.fields.char('Prefix', size=64, help="Prefix value of the record for the sequence"),
'suffix': openerp.osv.fields.char('Suffix', size=64, help="Suffix value of the record for the sequence"),
'number_next': openerp.osv.fields.integer('Next Number', required=True, help="Next number of this sequence"),
+ 'number_next_actual': openerp.osv.fields.function(_get_number_next_actual, fnct_inv=_set_number_next_actual, type='integer', required=True, string='Actual Next Number', help='Next number that will be used. Number is only informative and can differ from real number'),
'number_increment': openerp.osv.fields.integer('Increment Number', required=True, help="The next number of the sequence will be incremented by this number"),
'padding' : openerp.osv.fields.integer('Number Padding', required=True, help="OpenERP will automatically adds some '0' on the left of the 'Next Number' to get the required padding size."),
'company_id': openerp.osv.fields.many2one('res.company', 'Company'),
@@ -121,7 +150,7 @@ class ir_sequence(openerp.osv.osv.osv):
# object depends on it.
cr.execute("DROP SEQUENCE IF EXISTS %s RESTRICT " % names)
- def _alter_sequence(self, cr, id, number_increment, number_next):
+ def _alter_sequence(self, cr, id, number_increment, number_next=0):
""" Alter a PostreSQL sequence.
There is no access rights check.
@@ -129,9 +158,10 @@ class ir_sequence(openerp.osv.osv.osv):
if number_increment == 0:
raise osv.except_osv(_('Warning!'),_("Increment number must not be zero."))
assert isinstance(id, (int, long))
- cr.execute("""
- ALTER SEQUENCE ir_sequence_%03d INCREMENT BY %%s RESTART WITH %%s
- """ % id, (number_increment, number_next))
+ statement = ("ALTER SEQUENCE ir_sequence_%03d INCREMENT BY %d" % (id, number_increment))
+ if number_next:
+ statement += " RESTART WITH %d" % (number_next, )
+ cr.execute(statement)
def create(self, cr, uid, values, context=None):
""" Create a sequence, in implementation == standard a fast gaps-allowed PostgreSQL sequence is used.
@@ -160,7 +190,13 @@ class ir_sequence(openerp.osv.osv.osv):
n = values.get('number_next', row['number_next'])
if row['implementation'] == 'standard':
if new_implementation in ('standard', None):
- self._alter_sequence(cr, row['id'], i, n)
+ # Implementation has NOT changed.
+ # Only change sequence if really requested.
+ if row['number_next'] != n:
+ self._alter_sequence(cr, row['id'], i, n)
+ else:
+ # Just in case only increment changed
+ self._alter_sequence(cr, row['id'], i)
else:
self._drop_sequence(cr, row['id'])
else:
@@ -206,7 +242,6 @@ class ir_sequence(openerp.osv.osv.osv):
if seq['implementation'] == 'standard':
cr.execute("SELECT nextval('ir_sequence_%03d')" % seq['id'])
seq['number_next'] = cr.fetchone()
- cr.execute("UPDATE ir_sequence SET number_next=%s WHERE id=%s ", (seq['number_next'], seq['id'],))
else:
cr.execute("SELECT number_next FROM ir_sequence WHERE id=%s FOR UPDATE NOWAIT", (seq['id'],))
cr.execute("UPDATE ir_sequence SET number_next=number_next+number_increment WHERE id=%s ", (seq['id'],))
diff --git a/openerp/addons/base/ir/ir_sequence_view.xml b/openerp/addons/base/ir/ir_sequence_view.xml
index 0fa46d61957..050eb9e2333 100644
--- a/openerp/addons/base/ir/ir_sequence_view.xml
+++ b/openerp/addons/base/ir/ir_sequence_view.xml
@@ -20,7 +20,7 @@
-
+
@@ -57,7 +57,7 @@
-
+