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<?php
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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 up()
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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 down()
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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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