Is there a way to modify a specific field in a firestore document without retrieving the entire document beforehand?
Is there a way to modify a specific field in a firestore document without retrieving the entire document beforehand?
In the Firestore documentation, there is an example that demonstrates how to update a specific field in a document:
var newYorkRef = db.collection("cities").doc("NY"); // Update the "population" field of the city 'New York' return newYorkRef.update({ population: 9000000 }) .then(function() { console.log("Document updated successfully!"); }) .catch(function(error) { // Handle errors, like when the document doesn't exist. console.error("Error updating document: ", error); });
It's important to mention that this code snippet does not load the document initially. You need to know the ID of the document you want to update (in this case, it's "NY") for this operation to work.
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