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33 lines
1.0 KiB
PHP
33 lines
1.0 KiB
PHP
<?php
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/**
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* SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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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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