fix migration for PostgreSQL

Author: morontt

components/Migration.php

@@ -25,6 +25,7 @@ public function init()
 
         switch (Yii::$app->db->driverName) {
             case 'mysql':
+            case 'mariadb':
                 $this->tableOptions = 'CHARACTER SET utf8 COLLATE utf8_unicode_ci ENGINE=InnoDB';
                 break;
             default:

migrations/m161109_121736_create_session_table.php

@@ -9,10 +9,22 @@ class m161109_121736_create_session_table extends Migration
 {
     public function up()
     {
+        switch ($this->db->driverName) {
+            case 'mysql':
+            case 'mariadb':
+                $dataType = 'LONGBLOB';
+                break;
+            case 'pgsql':
+                $dataType = 'BYTEA';
+                break;
+            default:
+                $dataType = 'TEXT';
+        }
+
         $this->createTable('{{%session}}', [
             'id' => 'CHAR(40) NOT NULL PRIMARY KEY',
             'expire' => 'INTEGER',
-            'data' => 'LONGBLOB',
+            'data' => $dataType,
         ], $this->tableOptions);
     }