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I'm currently in a project using Firebase Cloud Firestore and VueJS.

I have this “where” clause, which needs the id of the selected collection. Basically it has to update, where the document id has the this.editSemId. There’s some other stuff to the method, but all I need is a way to get the document id from within my collection of semesters in firebase:

Here’s how it works:

.collection(“semesters”) .where(“DOCUMENT_ID”, “==”, this.editSemId)

I know how to “get” the document id, which is done with the “this.editSemId”, but I don’t know how to get it for the above query

I'm currently in a project using Firebase Cloud Firestore and VueJS.

I have this “where” clause, which needs the id of the selected collection. Basically it has to update, where the document id has the this.editSemId. There’s some other stuff to the method, but all I need is a way to get the document id from within my collection of semesters in firebase:

Here’s how it works: http://recordit.co/Hu67ekLWHv

.collection(“semesters”) .where(“DOCUMENT_ID”, “==”, this.editSemId)

I know how to “get” the document id, which is done with the “this.editSemId”, but I don’t know how to get it for the above query

  • javascript
  • firebase
  • vue.js
  • google-cloud-firestore
Share Improve this question asked May 21, 2018 at 13:19 zetza hzetza h 951 silver badge10 bronze badges
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1 Answer 1

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You can use FieldPath.documentId() to make queries involving the document id.

.collection("semesters").where(FieldPath.documentId(), "==", this.editSemId)

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