From e79c1c45dcd23dde1f4b072993829cc008f4858b Mon Sep 17 00:00:00 2001
From: Florian Pritz <bluewind@xinu.at>
Date: Sun, 20 Sep 2015 16:01:28 +0200
Subject: Migration 16: Increase length of ci_session.ip_address for IPv6

Reported-by: Michael Mueller <michael.mueller@selfnet.de>
Signed-off-by: Florian Pritz <bluewind@xinu.at>
---
 application/config/migration.php                  |  2 +-
 application/migrations/016_allow_ipv6_storage.php | 27 +++++++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 application/migrations/016_allow_ipv6_storage.php

diff --git a/application/config/migration.php b/application/config/migration.php
index 7a5b5f970..d5cce76f9 100644
--- a/application/config/migration.php
+++ b/application/config/migration.php
@@ -21,7 +21,7 @@ $config['migration_enabled'] = true;
 | be upgraded / downgraded to.
 |
 */
-$config['migration_version'] = 15;
+$config['migration_version'] = 16;
 
 
 /*
diff --git a/application/migrations/016_allow_ipv6_storage.php b/application/migrations/016_allow_ipv6_storage.php
new file mode 100644
index 000000000..726a18601
--- /dev/null
+++ b/application/migrations/016_allow_ipv6_storage.php
@@ -0,0 +1,27 @@
+<?php
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+class Migration_allow_ipv6_storage extends CI_Migration {
+
+	public function up()
+	{
+		$prefix = $this->db->dbprefix;
+
+		if ($this->db->dbdriver == 'postgre') {
+			$this->db->query('
+				ALTER TABLE "'.$prefix.'ci_sessions"
+					ALTER COLUMN "ip_address" type varchar(39);
+				');
+		} else {
+			$this->db->query('
+				ALTER TABLE `'.$prefix.'ci_sessions`
+					CHANGE `ip_address` `ip_address` varchar(39);
+				');
+		}
+	}
+
+	public function down()
+	{
+		throw new \exceptions\ApiException("migration/downgrade-not-supported", "downgrade not supported");
+	}
+}
-- 
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