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45 lines
1.8 KiB

7 years ago
<?php
use yii\db\Migration;
/**
* Handles the creation of table `post_comments`.
*/
class m180110_140332_create_post_comments_table extends Migration
{
public function up()
{
$tableOptions = 'CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci ENGINE=InnoDB';
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$this->createTable('{{%post_comments}}', [
'id' => $this->primaryKey(),
'post_id' => $this->integer()->notNull(),
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'user_id' => $this->bigInteger()->notNull(),
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'parent_id' => $this->integer(),
'created_at' => $this->integer()->unsigned()->notNull(),
'text' => $this->text()->notNull(),
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'likes' => $this->integer()->defaultValue(0),
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'active' => $this->boolean()->notNull(),
], $tableOptions);
$this->createIndex('{{%idx-post_comments-post_id}}', '{{%post_comments}}', 'post_id');
$this->createIndex('{{%idx-post_comments-user_id}}', '{{%post_comments}}', 'user_id');
$this->createIndex('{{%idx-post_comments-parent_id}}', '{{%post_comments}}', 'parent_id');
$this->addForeignKey('{{%fk-post_comments-post_id}}', '{{%post_comments}}', 'post_id', '{{%posts}}', 'id', 'CASCADE');
$this->addForeignKey('{{%fk-post_comments-user_id}}', '{{%post_comments}}', 'user_id', '{{%users}}', 'id', 'CASCADE');
$this->addForeignKey('{{%fk-post_comments-parent_id}}', '{{%post_comments}}', 'parent_id', '{{%post_comments}}', 'id', 'CASCADE');
}
public function down()
{
$this->dropForeignKey('{{%fk-post_comments-parent_id}}', '{{%post_comments}}');
$this->dropForeignKey('{{%fk-post_comments-user_id}}', '{{%post_comments}}');
$this->dropForeignKey('{{%fk-post_comments-post_id}}', '{{%post_comments}}');
$this->dropIndex('{{%idx-post_comments-parent_id}}', '{{%post_comments}}');
$this->dropIndex('{{%idx-post_comments-user_id}}', '{{%post_comments}}');
$this->dropIndex('{{%idx-post_comments-post_id}}', '{{%post_comments}}');
$this->dropTable('{{%post_comments}}');
}
}