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https://gitlab.com/Chill-Projet/chill-bundles.git
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42 lines
1.1 KiB
PHP
42 lines
1.1 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* Chill is a software for social workers
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*
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* For the full copyright and license information, please view
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* the LICENSE file that was distributed with this source code.
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*/
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namespace Chill\MainBundle\Doctrine\DQL;
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use Doctrine\ORM\Query\AST\Functions\FunctionNode;
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use Doctrine\ORM\Query\Lexer;
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use Doctrine\ORM\Query\Parser;
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use Doctrine\ORM\Query\SqlWalker;
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/**
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* Return an aggregation of values in a json representation, as a string.
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*
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* Internally, this function use the postgresql `jsonb_agg` function. Using
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* json allow to aggregate data from different types without have to cast them.
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*/
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class JsonAggregate extends FunctionNode
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{
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private $expr;
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public function getSql(SqlWalker $sqlWalker)
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{
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return sprintf('jsonb_agg(%s)', $this->expr->dispatch($sqlWalker));
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}
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public function parse(Parser $parser)
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{
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$parser->match(Lexer::T_IDENTIFIER);
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$parser->match(Lexer::T_OPEN_PARENTHESIS);
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$this->expr = $parser->StringPrimary();
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$parser->match(Lexer::T_CLOSE_PARENTHESIS);
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}
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}
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