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