From e3666ea49ed3183f14b6080bb8f5b90518c6ef2b Mon Sep 17 00:00:00 2001
From: Edgard Lorraine Messias <edgardmessias@gmail.com>
Date: Tue, 14 Jul 2015 17:32:15 -0300
Subject: [PATCH] Added support to new default constants for date/time fields;

---
 Schema.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Schema.php b/Schema.php
index b1ae2b9..99c8ff1 100644
--- a/Schema.php
+++ b/Schema.php
@@ -345,8 +345,9 @@ protected function loadColumnSchema($column)
 
         $c->defaultValue = null;
         if ($defaultValue !== null) {
-            if ($c->type == self::TYPE_TIMESTAMP && trim($defaultValue) == 'CURRENT_TIMESTAMP') {
-                $c->defaultValue = new \yii\db\Expression('CURRENT_TIMESTAMP');
+            if (in_array($c->type, [self::TYPE_DATE, self::TYPE_DATETIME, self::TYPE_TIME, self::TYPE_TIMESTAMP]) 
+                    && preg_match('/(CURRENT_|NOW|NULL|TODAY|TOMORROW|YESTERDAY)/i', $defaultValue)) {
+                $c->defaultValue = new \yii\db\Expression(trim($defaultValue));
             } else {
                 $c->defaultValue = $c->phpTypecast($defaultValue);
             }