commit e83ae5b13504a00b3e8f543f4e232dff4c90a9aa
author Andrey Andreev <narf@devilix.net> Sun Jul 22 17:09:01 2018 +0300
committer Andrey Andreev <narf@devilix.net> Sun Jul 22 17:09:01 2018 +0300
tree 178864a6fe5cc5a7bd38667947f21013d7177df8
parent 800a20d6c4662d99ae0988b2f8f2238bb8bb29db

[ci skip] Fix #5542

system/database/drivers/postgre/postgre_forge.php

diff --git a/system/database/drivers/postgre/postgre_forge.php b/system/database/drivers/postgre/postgre_forge.php
index cf90325..79d5221 100644
--- a/system/database/drivers/postgre/postgre_forge.php
+++ b/system/database/drivers/postgre/postgre_forge.php
@@ -131,7 +131,7 @@
 			if (isset($field[$i]['null']))
 			{
 				$sqls[] = $sql.' ALTER COLUMN '.$this->db->escape_identifiers($field[$i]['name'])
-					.($field[$i]['null'] === TRUE ? ' DROP NOT NULL' : ' SET NOT NULL');
+					.(trim($field[$i]['null']) === $this->_null ? ' DROP NOT NULL' : ' SET NOT NULL');
 			}
 
 			if ( ! empty($field[$i]['new_name']))