<?php

namespace Wikimedia\Rdbms;

/**
 * Base for all database-specific classes representing information about database fields
 * @ingroup Database
 */
interface Field {
	/**
	 * Field name
	 * @return string
	 */
	public function name();

	/**
	 * Name of table this field belongs to
	 * @return string
	 */
	public function tableName();

	/**
	 * Database type
	 * @return string
	 */
	public function type();

	/**
	 * Whether this field can store NULL values
	 * @return bool
	 */
	public function isNullable();
}