78 lines
2.1 KiB
PHP
78 lines
2.1 KiB
PHP
<?php
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/**
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* ---------------------------------------------------------------------
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* GLPI - Gestionnaire Libre de Parc Informatique
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* Copyright (C) 2015-2020 Teclib' and contributors.
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*
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* http://glpi-project.org
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*
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* based on GLPI - Gestionnaire Libre de Parc Informatique
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* Copyright (C) 2003-2014 by the INDEPNET Development Team.
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*
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* ---------------------------------------------------------------------
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*
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* LICENSE
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*
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* This file is part of GLPI.
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*
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* GLPI 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 2 of the License, or
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* (at your option) any later version.
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*
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* GLPI 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 GLPI. If not, see <http://www.gnu.org/licenses/>.
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* ---------------------------------------------------------------------
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*/
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if (!defined('GLPI_ROOT')) {
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die("Sorry. You can't access this file directly");
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}
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/**
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* Sub query class
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**/
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class QuerySubQuery extends AbstractQuery {
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private $dbiterator;
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/**
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* Create a sub query
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*
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* @param array $crit Array of query criteria. Any valid DBmysqlIterator parameters are valid.
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* @param string $alias Alias for the whole subquery
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*/
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public function __construct(array $crit, $alias = null) {
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global $DB;
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parent::__construct($alias);
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if (empty($crit)) {
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throw new \RuntimeException('Cannot build an empty subquery');
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}
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$this->dbiterator = new DBmysqlIterator($DB);
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$this->dbiterator->buildQuery($crit);
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}
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/**
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*
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* Get SQL query
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*
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* @return string
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*/
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public function getQuery() {
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global $DB;
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$sql = "(" . $this->dbiterator->getSql() . ")";
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if ($this->alias !== null) {
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$sql .= ' AS ' . $DB->quoteName($this->alias);
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}
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return $sql;
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}
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}
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