<?php declare(strict_types=1);
/**
 * Query
 *
 * SQL Query Builder / Database Abstraction Layer
 *
 * PHP version 7
 *
 * @package     Query
 * @author      Timothy J. Warren <tim@timshomepage.net>
 * @copyright   2012 - 2016 Timothy J. Warren
 * @license     http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link        https://git.timshomepage.net/aviat4ion/Query
 */

namespace Query;

class State {
	// --------------------------------------------------------------------------
	// ! SQL Clause Strings
	// --------------------------------------------------------------------------

	/**
	 * Compiled 'select' clause
	 * @var string
	 */
	protected $selectString = '';

	/**
	 * Compiled 'from' clause
	 * @var string
	 */
	protected $fromString = '';

	/**
	 * Compiled arguments for insert / update
	 * @var string
	 */
	protected $setString;

	/**
	 * Order by clause
	 * @var string
	 */
	protected $orderString;

	/**
	 * Group by clause
	 * @var string
	 */
	protected $groupString;

	// --------------------------------------------------------------------------
	// ! SQL Clause Arrays
	// --------------------------------------------------------------------------

	/**
	 * Keys for insert/update statement
	 * @var array
	 */
	protected $setArrayKeys = [];

	/**
	 * Key/val pairs for order by clause
	 * @var array
	 */
	protected $orderArray = [];

	/**
	 * Key/val pairs for group by clause
	 * @var array
	 */
	protected $groupArray = [];

	// --------------------------------------------------------------------------
	// ! Other Class vars
	// --------------------------------------------------------------------------

	/**
	 * Values to apply to prepared statements
	 * @var array
	 */
	protected $values = [];

	/**
	 * Values to apply to where clauses in prepared statements
	 * @var array
	 */
	protected $whereValues = [];

	/**
	 * Value for limit string
	 * @var string
	 */
	protected $limit;

	/**
	 * Value for offset in limit string
	 * @var integer
	 */
	protected $offset;

	/**
	 * Query component order mapping
	 * for complex select queries
	 *
	 * Format:
	 * array(
	 *		'type' => 'where',
	 *		'conjunction' => ' AND ',
	 *		'string' => 'k=?'
	 * )
	 *
	 * @var array
	 */
	protected $queryMap = [];

	/**
	 * Map for having clause
	 * @var array
	 */
	protected $havingMap;
}