nextcloud-server/core/Migrations/Version13000Date20170814074715.php

<?php
/**
 * SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */
namespace OC\Core\Migrations;

use OCP\DB\ISchemaWrapper;
use OCP\Migration\IOutput;
use OCP\Migration\SimpleMigrationStep;

class Version13000Date20170814074715 extends SimpleMigrationStep {
	/**
	 * @param IOutput $output
	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
	 * @param array $options
	 * @since 13.0.0
	 */
	public function preSchemaChange(IOutput $output, \Closure $schemaClosure, array $options) {
	}

	/**
	 * @param IOutput $output
	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
	 * @param array $options
	 * @return null|ISchemaWrapper
	 * @since 13.0.0
	 */
	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
		/** @var ISchemaWrapper $schema */
		$schema = $schemaClosure();


		if (!$schema->hasTable('accounts')) {
			$table = $schema->createTable('accounts');
			$table->addColumn('uid', 'string', [
				'notnull' => true,
				'length' => 64,
				'default' => '',
			]);
			$table->addColumn('data', 'text', [
				'notnull' => true,
				'default' => '',
			]);
			$table->setPrimaryKey(['uid']);
		}

		return $schema;
	}

	/**
	 * @param IOutput $output
	 * @param \Closure $schemaClosure The `\Closure` returns a `ISchemaWrapper`
	 * @param array $options
	 * @since 13.0.0
	 */
	public function postSchemaChange(IOutput $output, \Closure $schemaClosure, array $options) {
	}
}