<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\TestModuleDefaultHydrator\Setup;

use Magento\Framework\Setup\InstallSchemaInterface;
use Magento\Framework\Setup\ModuleContextInterface;
use Magento\Framework\Setup\SchemaSetupInterface;

class InstallSchema implements InstallSchemaInterface
{
    /**
     * {@inheritdoc}
     */
    public function install(SchemaSetupInterface $setup, ModuleContextInterface $context)
    {
        $installer = $setup;
        $installer->startSetup();

        $table = $installer->getConnection()->newTable(
            $installer->getTable('testmodule_default_hydrator_extension_attribute_entity')
        )->addColumn(
            'entity_id',
            \Magento\Framework\DB\Ddl\Table::TYPE_INTEGER,
            null,
            ['identity' => true, 'unsigned' => true, 'nullable' => false, 'primary' => true],
            'Entity Id'
        )->addColumn(
            'customer_id',
            \Magento\Framework\DB\Ddl\Table::TYPE_INTEGER,
            null,
            ['identity' => false, 'unsigned' => true, 'nullable' => false, 'primary' => false],
            'Customer Id'
        )->addColumn(
            'value',
            \Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
            255,
            ['nullable' => true, 'default' => null],
            'Value'
        )->addForeignKey(
            $installer->getFkName('customer_extension_attribute_entity', 'customer_id', 'customer_entity', 'entity_id'),
            'customer_id',
            $installer->getTable('customer_entity'),
            'entity_id',
            \Magento\Framework\DB\Ddl\Table::ACTION_CASCADE,
            \Magento\Framework\DB\Ddl\Table::ACTION_CASCADE
        );
        $installer->getConnection()->createTable($table);

        $installer->endSetup();
    }
}