[doctrine-user] doctrine mongodb Aggregation builder for array

[neeraj]

how to apply count nested array in  doctrine mongodb Aggregation builder ?

my document is 

{
  "_id": "5dde88cd97e54f7c1a38da40",
  "list_id": [
    [
      2
    ]
  ]
}

i have tried 

$builder =$this->dm->createAggregationBuilder(ClientUser::class);

$builder->addFields()
            ->field('list_id[0][0]')
            ->expression(['list_id[0][0]' => 2])
            ->count('list_id[0][0]');


but it is not working ..
please suggest

-- 
You received this message because you are subscribed to the Google Groups 
"doctrine-user" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to doctrine-user+unsubscr...@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/doctrine-user/9c9f08b1-0553-45bb-be74-efa990693780%40googlegroups.com.