Query an child in an array of objects in Firestore

Question

I'm trying to find an element of an array field in my firestore collection.

This is the field in firestore:

channels: [{name: "linkedin", date: "2020-01-02"}]

This is how I tried querying it:

firebase.firestore().collection("users")
  .where("status", "==", "ACTIVE")
  .where("channels", "array-contains", {
      name: "linkedin"                     
  })

andresmijares · Accepted Answer · 2020-05-28 15:15:47Z

1

array-contains can`t perform search into objects specific values for properties.

it would work if you do something like channels: ["Linkedin", "facebook", "twitter"]

Probably you want to try to use a subcollection for channels instead, otherwise, you need to fetch all the values into channels and then apply filters in memory.

edited May 28, 2020 at 15:15

answered May 27, 2020 at 14:08

andresmijares

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