mirror of
https://gitlab.com/Chill-Projet/chill-bundles.git
synced 2025-06-07 18:44:08 +00:00
50 lines
1.7 KiB
PHP
50 lines
1.7 KiB
PHP
<?php
|
|
/*
|
|
* Copyright (C) 2017 Champs Libres Cooperative <info@champs-libres.coop>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
namespace Chill\MainBundle\Doctrine\DQL;
|
|
|
|
use Doctrine\ORM\Query\AST\Functions\FunctionNode;
|
|
use Doctrine\ORM\Query\Lexer;
|
|
use Doctrine\ORM\Query\Parser;
|
|
use Doctrine\ORM\Query\SqlWalker;
|
|
|
|
/**
|
|
* Return an aggregation of values in a json representation, as a string.
|
|
*
|
|
* Internally, this function use the postgresql `jsonb_agg` function. Using
|
|
* json allow to aggregate data from different types without have to cast them.
|
|
*
|
|
* @author Julien Fastré <julien.fastre@champs-libres.coop>
|
|
*/
|
|
class JsonAggregate extends FunctionNode
|
|
{
|
|
private $expr;
|
|
|
|
public function getSql(SqlWalker $sqlWalker)
|
|
{
|
|
return sprintf('jsonb_agg(%s)', $this->expr->dispatch($sqlWalker));
|
|
}
|
|
|
|
public function parse(Parser $parser)
|
|
{
|
|
$parser->match(Lexer::T_IDENTIFIER);
|
|
$parser->match(Lexer::T_OPEN_PARENTHESIS);
|
|
$this->expr = $parser->StringPrimary();
|
|
$parser->match(Lexer::T_CLOSE_PARENTHESIS);
|
|
}
|
|
}
|