From fc333ec82727f9ca7cf00fefb3ae4c6d3569197e Mon Sep 17 00:00:00 2001
From: Marcio Mazza <marciomazza@gmail.com>
Date: Fri, 7 Apr 2017 12:46:40 -0300
Subject: [PATCH] =?UTF-8?q?Habilita=20pks=20negativas=20na=20migra=C3=A7?=
 =?UTF-8?q?=C3=A3o?=
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Fix #951
---
 sapl/legacy/migration.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sapl/legacy/migration.py b/sapl/legacy/migration.py
index 5b326897f..99d14f8a7 100644
--- a/sapl/legacy/migration.py
+++ b/sapl/legacy/migration.py
@@ -262,7 +262,8 @@ def get_last_value(model):
 
 def alter_sequence(model, id):
     sequence_name = '%s_id_seq' % model._meta.db_table
-    exec_sql('ALTER SEQUENCE %s RESTART WITH %s;' % (sequence_name, id))
+    exec_sql('ALTER SEQUENCE %s RESTART WITH %s MINVALUE %s;' % (
+        sequence_name, id, id))
 
 
 def save_with_id(new, id):