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