PHP Sokil\Mongo Collection::explainAggregate Examples

explainAggregate() public method

Explain aggregation

Deprecation: use pipeline option 'explain' in Collection::aggregate() or method Pipeline::explain()

public explainAggregate ( array | Pipeline $pipeline ) : array
$pipeline	array | Pipeline
return	array	result

Example #1

File: PipelineTest.php Project: agolomazov/php-mongo

 public function testExplainAggregate()
 {
     $this->collection->createDocument(array('param' => 1))->save();
     $this->collection->createDocument(array('param' => 2))->save();
     $this->collection->createDocument(array('param' => 3))->save();
     $this->collection->createDocument(array('param' => 4))->save();
     $pipeline = $this->collection->createAggregator()->match(array('param' => array('$gte' => 2)))->group(array('_id' => 0, 'sum' => array('$sum' => '$param')));
     try {
         $explain = $this->collection->explainAggregate($pipeline);
         $this->assertArrayHasKey('stages', $explain);
     } catch (\Exception $e) {
         $this->assertEquals('Explain of aggregation implemented only from 2.6.0', $e->getMessage());
     }
 }