PHP Doctrine\MongoDB\Aggregation\Stage Lookup::getExpression示例

示例#1

文件： LookupTest.php 项目： dominium/mongodb

 public function testLookupStage()
 {
     $lookupStage = new Lookup($this->getTestAggregationBuilder(), 'collection');
     $lookupStage->localField('local.field')->foreignField('foreign.field')->alias('lookedUp');
     $this->assertSame(['$lookup' => ['from' => 'collection', 'localField' => 'local.field', 'foreignField' => 'foreign.field', 'as' => 'lookedUp']], $lookupStage->getExpression());
 }