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Editorial Team
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Asked: 2026-05-26T02:45:43+00:00

i started with mongodb and played around with random temperature data like this: ‘weather’

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i started with mongodb and played around with random temperature data
like this:

'weather' => array(
                    'Air' => array(
                        'Jan' => 11,
                        'Feb' => 20,
                        'Mar' => 24,
                        'Jun' => 28,
                        'Jul' => 30
                    )
                ),

Now my question:
How can i query the Air array ?

I knwo i can do somethin like:

$query = array('weather.Air.Jan' => 11);

Works fine…

But how can i search in the whole Air array:

$query = array('weather.Air.$' => 40);

This query doesn’t work…
Can somebody help me

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1 Answer

  1. Editorial Team

    Unfortunately, the query you’re looking for does not exist.

    As written, you’re asking for “weather.Air where a key in the JSON object contains a value of 40”.

    MongoDB has the ability to “drill into” arrays. However, when it comes to sub-objects, you have to reach into the keys directly. There is no operator that provides a “search all keys” method. There is an outstanding JIRA request for this item right here.

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