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<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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return <<<CODE
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<?php
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use yii\db\Migration;
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/**
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* Handles adding columns to table `{table}`.
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* Has foreign keys to the tables:
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*
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* - `user`
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* - `product`
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* - `user_order`
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*/
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class {$class} extends Migration
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{
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/**
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* {@inheritdoc}
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*/
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public function safeUp()
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{
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\$this->addColumn('{table}', 'user_id', \$this->integer());
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\$this->addColumn('{table}', 'product_id', \$this->integer()->unsigned()->notNull());
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\$this->addColumn('{table}', 'order_id', \$this->integer()->notNull());
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\$this->addColumn('{table}', 'created_at', \$this->dateTime()->notNull());
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// creates index for column `user_id`
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\$this->createIndex(
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'idx-{table}-user_id',
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'{table}',
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'user_id'
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);
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// add foreign key for table `user`
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\$this->addForeignKey(
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'fk-{table}-user_id',
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'{table}',
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'user_id',
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'user',
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'id',
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'CASCADE'
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);
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// creates index for column `product_id`
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\$this->createIndex(
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'idx-{table}-product_id',
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'{table}',
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'product_id'
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);
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// add foreign key for table `product`
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\$this->addForeignKey(
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'fk-{table}-product_id',
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'{table}',
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'product_id',
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'product',
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'id',
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'CASCADE'
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);
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// creates index for column `order_id`
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\$this->createIndex(
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'idx-{table}-order_id',
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'{table}',
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'order_id'
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);
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// add foreign key for table `user_order`
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\$this->addForeignKey(
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'fk-{table}-order_id',
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'{table}',
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'order_id',
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'user_order',
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'id',
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'CASCADE'
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);
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}
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/**
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* {@inheritdoc}
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*/
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public function safeDown()
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{
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// drops foreign key for table `user`
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\$this->dropForeignKey(
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'fk-{table}-user_id',
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'{table}'
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);
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// drops index for column `user_id`
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\$this->dropIndex(
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'idx-{table}-user_id',
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'{table}'
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);
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// drops foreign key for table `product`
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\$this->dropForeignKey(
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'fk-{table}-product_id',
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'{table}'
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);
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// drops index for column `product_id`
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\$this->dropIndex(
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'idx-{table}-product_id',
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'{table}'
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);
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// drops foreign key for table `user_order`
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\$this->dropForeignKey(
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'fk-{table}-order_id',
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'{table}'
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);
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// drops index for column `order_id`
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\$this->dropIndex(
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'idx-{table}-order_id',
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'{table}'
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);
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\$this->dropColumn('{table}', 'user_id');
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\$this->dropColumn('{table}', 'product_id');
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\$this->dropColumn('{table}', 'order_id');
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\$this->dropColumn('{table}', 'created_at');
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}
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}
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CODE;
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