From 28ed1f71d38cbb47aee91af073a6fb116182cfe9 Mon Sep 17 00:00:00 2001
From: ?ngel ?lvarez <angel@nan-tic.com>
Date: Tue, 10 Apr 2018 15:07:58 +0200
Subject: [PATCH] add support to psql v10

---
 series                          |  2 +-
 support_postgresql10_6789.patch | 39 +++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+), 1 deletion(-)
 create mode 100644 support_postgresql10_6789.patch

diff --git a/series b/series
index b958958..12c7672 100644
--- a/series
+++ b/series
@@ -55,7 +55,7 @@ commission-issue6322-issue6501.diff
 sepa_sequence_type.diff
 add_account_in_move_line_payable_receivable.diff
 locale.diff
-
+#support_postgresql10_6789.patch
 issue6179.diff
 
 issue6294.diff # [tryton] - Creating a board view with a form inside
diff --git a/support_postgresql10_6789.patch b/support_postgresql10_6789.patch
new file mode 100644
index 0000000..ffde2f4
--- /dev/null
+++ b/support_postgresql10_6789.patch
@@ -0,0 +1,39 @@
+diff -r 57512456d26d trytond/ir/sequence.py
+--- a/trytond/trytond/ir/sequence.py	Thu Mar 01 22:53:06 2018 +0100
++++ b/trytond/trytond/ir/sequence.py	Tue Apr 10 15:02:58 2018 +0200
+@@ -163,10 +163,31 @@
+         cursor = Transaction().cursor
+         sql_name = self._sql_sequence_name
+         if sql_sequence and not self._strict:
+-            cursor.execute('SELECT '
+-                'CASE WHEN NOT is_called THEN last_value '
+-                    'ELSE last_value + increment_by '
+-                'END FROM "%s"' % sql_name)
++            cursor.execute('SELECT version()')
++            cursor.execute('SHOW server_version_num')
++            version, = cursor.fetchone()
++            major, rest = divmod(int(version), 10000)
++            minor, patch = divmod(rest, 100)
++            version = (major, minor)
++            if version >= (10, 0):
++                param = Flavor.get().param
++                cursor.execute(
++                    'SELECT increment_by '
++                    'FROM pg_sequences '
++                    'WHERE sequencename=%s '
++                    % param, (sql_name,))
++                increment, = cursor.fetchone()
++                cursor.execute(
++                    'SELECT CASE WHEN NOT is_called THEN last_value '
++                    'ELSE last_value + %s '
++                    'END '
++                    'FROM "%s"' % (param, sql_name),
++                    (increment,))
++            else:
++                cursor.execute('SELECT '
++                    'CASE WHEN NOT is_called THEN last_value '
++                        'ELSE last_value + increment_by '
++                    'END FROM "%s"' % sql_name)
+             return cursor.fetchone()[0]
+         else:
+             return self.number_next_internal