速度改善のためのインデックス追加

Config/Migration/1524807796_for_speed_up.php

@@ -0,0 +1,79 @@
+<?php
+/**
+ * 速度改善のためのインデックス見直し
+ *
+ * @author Shohei Nakajima <nakajimashouhei@gmail.com>
+ * @link http://www.netcommons.org NetCommons Project
+ * @license http://www.netcommons.org/license.txt NetCommons License
+ * @copyright Copyright 2014, NetCommons Project
+ */
+
+App::uses('NetCommonsMigration', 'NetCommons.Config/Migration');
+
+/**
+ * 速度改善のためのインデックス見直し
+ *
+ * @author Shohei Nakajima <nakajimashouhei@gmail.com>
+ * @package NetCommons\Bbses\Config\Migration
+ */
+class ForSpeedUp extends NetCommonsMigration {
+
+/**
+ * Migration description
+ *
+ * @var string
+ */
+	public $description = 'for_speed_up';
+
+/**
+ * Actions to be performed
+ *
+ * @var array $migration
+ */
+	public $migration = array(
+		'up' => array(
+			'alter_field' => array(
+				'bbs_articles' => array(
+					'created' => array('type' => 'datetime', 'null' => true, 'default' => null, 'key' => 'index', 'comment' => '作成日時'),
+				),
+			),
+			'create_field' => array(
+				'bbs_articles' => array(
+					'indexes' => array(
+						'created' => array('column' => 'created', 'unique' => 0),
+					),
+				),
+			),
+		),
+		'down' => array(
+			'alter_field' => array(
+				'bbs_articles' => array(
+					'created' => array('type' => 'datetime', 'null' => true, 'default' => null, 'comment' => '作成日時'),
+				),
+			),
+			'drop_field' => array(
+				'bbs_articles' => array('indexes' => array('created')),
+			),
+		),
+	);
+
+/**
+ * Before migration callback
+ *
+ * @param string $direction Direction of migration process (up or down)
+ * @return bool Should process continue
+ */
+	public function before($direction) {
+		return true;
+	}
+
+/**
+ * After migration callback
+ *
+ * @param string $direction Direction of migration process (up or down)
+ * @return bool Should process continue
+ */
+	public function after($direction) {
+		return true;
+	}
+}

Config/Schema/schema.php

@@ -93,14 +93,15 @@ public function after($event = array()) {
 		'title_icon' => array('type' => 'string', 'null' => true, 'default' => null, 'collate' => 'utf8_general_ci', 'charset' => 'utf8'),
 		'content' => array('type' => 'text', 'null' => true, 'default' => null, 'collate' => 'utf8_general_ci', 'comment' => '本文', 'charset' => 'utf8'),
 		'created_user' => array('type' => 'integer', 'null' => true, 'default' => '0', 'unsigned' => false, 'comment' => '作成者'),
-		'created' => array('type' => 'datetime', 'null' => true, 'default' => null, 'comment' => '作成日時'),
+		'created' => array('type' => 'datetime', 'null' => true, 'default' => null, 'key' => 'index', 'comment' => '作成日時'),
 		'modified_user' => array('type' => 'integer', 'null' => true, 'default' => '0', 'unsigned' => false, 'comment' => '更新者'),
 		'modified' => array('type' => 'datetime', 'null' => true, 'default' => null, 'comment' => '更新日時'),
 		'indexes' => array(
 			'PRIMARY' => array('column' => 'id', 'unique' => 1),
 			'bbs_key' => array('column' => array('bbs_key', 'language_id'), 'unique' => 0),
 			'key' => array('column' => array('key', 'language_id'), 'unique' => 0),
-			'title' => array('column' => array('id', 'is_active', 'is_latest', 'created_user', 'is_origin', 'is_translation', 'key'), 'unique' => 0)
+			'title' => array('column' => array('id', 'is_active', 'is_latest', 'created_user', 'is_origin', 'is_translation', 'key'), 'unique' => 0),
+			'created' => array('column' => 'created', 'unique' => 0)
 		),
 		'tableParameters' => array('charset' => 'utf8', 'collate' => 'utf8_general_ci', 'engine' => 'InnoDB')
 	);