55 lines
1.8 KiB
PHP
55 lines
1.8 KiB
PHP
<?php
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/**
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* @author Robin Appelman <robin@icewind.nl>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\DB\QueryBuilder\FunctionBuilder;
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use OC\DB\QueryBuilder\QueryFunction;
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use OC\DB\QueryBuilder\QuoteHelper;
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use OCP\DB\QueryBuilder\IFunctionBuilder;
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class FunctionBuilder implements IFunctionBuilder {
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/** @var QuoteHelper */
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protected $helper;
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/**
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* ExpressionBuilder constructor.
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*
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* @param QuoteHelper $helper
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*/
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public function __construct(QuoteHelper $helper) {
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$this->helper = $helper;
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}
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public function md5($input) {
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return new QueryFunction('MD5(' . $this->helper->quoteColumnName($input) . ')');
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}
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public function concat($x, $y) {
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return new QueryFunction('CONCAT(' . $this->helper->quoteColumnName($x) . ', ' . $this->helper->quoteColumnName($y) . ')');
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}
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public function substring($input, $start, $length = null) {
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if ($length) {
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return new QueryFunction('SUBSTR(' . $this->helper->quoteColumnName($input) . ', ' . $this->helper->quoteColumnName($start) . ', ' . $this->helper->quoteColumnName($length) . ')');
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} else {
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return new QueryFunction('SUBSTR(' . $this->helper->quoteColumnName($input) . ', ' . $this->helper->quoteColumnName($start) . ')');
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}
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}
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}
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