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50 lines
1.8 KiB
PHP
50 lines
1.8 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2017 Robin Appelman <robin@icewind.nl>
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*
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* @author Joas Schilling <coding@schilljs.com>
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* @author Robin Appelman <robin@icewind.nl>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program 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 as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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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
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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 OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\DB\QueryBuilder\IQueryFunction;
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class PgSqlFunctionBuilder extends FunctionBuilder {
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public function concat($x, ...$expr): IQueryFunction {
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$args = func_get_args();
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$list = [];
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foreach ($args as $item) {
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$list[] = $this->queryBuilder->expr()->castColumn($item, IQueryBuilder::PARAM_STR);
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}
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return new QueryFunction(sprintf('(%s)', implode(' || ', $list)));
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}
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public function groupConcat($expr, ?string $separator = ','): IQueryFunction {
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$castedExpression = $this->queryBuilder->expr()->castColumn($expr, IQueryBuilder::PARAM_STR);
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if (is_null($separator)) {
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return new QueryFunction('string_agg(' . $castedExpression . ')');
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}
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$separator = $this->connection->quote($separator);
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return new QueryFunction('string_agg(' . $castedExpression . ', ' . $separator . ')');
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}
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}
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