QueryParts.php

<?php

declare(strict_types=1);

namespace Doctrine\DBAL\Query;

use Doctrine\DBAL\Query\Expression\CompositeExpression;

/**
 * @internal
 */
class QueryParts
{
    /** @var string[] */
    public $select = [];

    /** @var bool */
    public $distinct = false;

    /** @var From[] */
    public $from = [];

    /** @var string|null */
    public $table;

    /**
     * Lists of joins indexed by from alias.
     *
     * @var array<string, Join[]>
     */
    public $join = [];

    /** @var string[] */
    public $set = [];

    /** @var CompositeExpression|null */
    public $where = null;

    /** @var string[] */
    public $groupBy = [];

    /** @var CompositeExpression|null */
    public $having = null;

    /** @var string[] */
    public $orderBy = [];

    /** @var array<string, mixed> */
    public $values = [];

    /**
     * Deep clone of all expression objects in the SQL parts.
     */
    public function __clone()
    {
        foreach ($this->from as $key => $from) {
            $this->from[$key] = clone $from;
        }

        foreach ($this->join as $fromAlias => $joins) {
            foreach ($joins as $key => $join) {
                $this->join[$fromAlias][$key] = clone $join;
            }
        }

        if ($this->where !== null) {
            $this->where = clone $this->where;
        }

        if ($this->having !== null) {
            $this->having = clone $this->having;
        }
    }
}