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espocrm-base/application/Espo/ORM/DB/MysqlMapper.php
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2014-04-08 10:58:30 +03:00

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PHP

<?php
/************************************************************************
* This file is part of EspoCRM.
*
* EspoCRM - Open Source CRM application.
* Copyright (C) 2014 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
* Website: http://www.espocrm.com
*
* EspoCRM is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* EspoCRM is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with EspoCRM. If not, see http://www.gnu.org/licenses/.
************************************************************************/
namespace Espo\ORM\DB;
use Espo\ORM\Entity;
use Espo\ORM\Classes\EntityCollection;
use PDO;
/**
* Abstraction for MySQL DB.
* Mapping of Entity to DB.
* Should be used internally only.
*/
class MysqlMapper extends Mapper
{
protected function composeSelectQuery($table, $select, $joins = '', $where = '', $order = '', $offset = null, $limit = null, $distinct = null, $aggregation = false)
{
$sql = "SELECT";
/*if (!empty($distinct)) {
$sql .= " DISTINCT";
}*/
$sql .= " {$select} FROM `{$table}`";
if (!empty($joins)) {
$sql .= " {$joins}";
}
if (!empty($where)) {
$sql .= " WHERE {$where}";
}
if (!empty($distinct)) {
$sql .= " GROUP BY `{$table}`.id";
}
if (!empty($order)) {
$sql .= " {$order}";
}
if (is_null($offset) && !is_null($limit)) {
$offset = 0;
}
if (!is_null($offset) && !is_null($limit)) {
$offset = intval($offset);
$limit = intval($limit);
$sql .= " LIMIT {$offset}, {$limit}";
}
return $sql;
}
protected function toDb($field)
{
if (array_key_exists($field, $this->fieldsMapCache)) {
return $this->fieldsMapCache[$field];
} else {
$field[0] = strtolower($field[0]);
$dbField = preg_replace_callback('/([A-Z])/', array($this, 'toDbConversion'), $field);
$this->fieldsMapCache[$field] = $dbField;
return $dbField;
}
}
protected function toDbConversion($matches)
{
return "_" . strtolower($matches[1]);
}
}
?>