[FIX] poor satement write function performance

account_statement_ext/statement.py

@@ -18,11 +18,27 @@
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 ##############################################################################
+import openerp.addons.account.account_bank_statement as stat_mod
 from openerp.osv.orm import Model
 from openerp.osv import fields, osv
 from openerp.tools.translate import _
 
 
+# Monkey patch to fix bad write implementation...
+def fixed_write(self, cr, uid, ids, vals, context=None):
+    """ Fix performance desing of original function
+    Ideally we should use a real postgres sequence or serial fields.
+    Will do it when I have time."""
+    res = super(stat_mod.account_bank_statement, self).write(cr, uid, ids,
+                                                             vals, context=context)
+    for s_id in ids:
+        cr.execute("UPDATE account_bank_statement_line"
+                   " SET sequence = account_bank_statement_line.id + 1"
+                   " where statement_id = %s", (s_id,))
+    return res
+stat_mod.account_bank_statement.write = fixed_write
+
+
 class AccountStatementProfil(Model):
     """
     A Profile will contain all infos related to the type of