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<?php
declare(strict_types=1);
namespace Level23\Druid\PostAggregations;
class RankPostAggregator implements PostAggregatorInterface
{
protected string $outputName;
protected PostAggregatorInterface $dimension;
protected float $value;
/**
* QuantilePostAggregator constructor.
*
* @param PostAggregatorInterface $dimension Post aggregator that refers to a DoublesSketch (fieldAccess or
* another post aggregator)
* @param string $outputName The name as it will be used in our result.
* @param float $value This returns an approximation to the rank of a given value that is
* the fraction of the distribution less than that value.
*/
public function __construct(PostAggregatorInterface $dimension, string $outputName, float $value)
$this->outputName = $outputName;
$this->dimension = $dimension;
$this->value = $value;
}
* Return the aggregator as it can be used in a druid query.
* @return array<string,string|array<string,string|array<mixed>>|float>
public function toArray(): array
return [
'type' => 'quantilesDoublesSketchToRank',
'name' => $this->outputName,
'field' => $this->dimension->toArray(),
'value' => $this->value,
];
level23 /
druid-client
