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<?php
/**
* SPDX-FileCopyrightText: 2017 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\DB\QueryBuilder\FunctionBuilder;
use OC\DB\QueryBuilder\QueryFunction;
use OCP\DB\QueryBuilder\IQueryFunction;
class SqliteFunctionBuilder extends FunctionBuilder {
public function concat($x, ...$expr): IQueryFunction {
$args = func_get_args();
$list = [];
foreach ($args as $item) {
$list[] = $this->helper->quoteColumnName($item);
}
return new QueryFunction(sprintf('(%s)', implode(' || ', $list)));
}
public function groupConcat($expr, ?string $separator = ','): IQueryFunction {
$separator = $this->connection->quote($separator);
return new QueryFunction('GROUP_CONCAT(' . $this->helper->quoteColumnName($expr) . ', ' . $separator . ')');
}
public function greatest($x, $y): IQueryFunction {
return new QueryFunction('MAX(' . $this->helper->quoteColumnName($x) . ', ' . $this->helper->quoteColumnName($y) . ')');
}
public function least($x, $y): IQueryFunction {
return new QueryFunction('MIN(' . $this->helper->quoteColumnName($x) . ', ' . $this->helper->quoteColumnName($y) . ')');
}
public function octetLength($field, $alias = ''): IQueryFunction {
$alias = $alias ? (' AS ' . $this->helper->quoteColumnName($alias)) : '';
$quotedName = $this->helper->quoteColumnName($field);
return new QueryFunction('LENGTH(CAST(' . $quotedName . ' as BLOB))' . $alias);
}
public function charLength($field, $alias = ''): IQueryFunction {
$alias = $alias ? (' AS ' . $this->helper->quoteColumnName($alias)) : '';
$quotedName = $this->helper->quoteColumnName($field);
return new QueryFunction('LENGTH(' . $quotedName . ')' . $alias);
}
}
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