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key.delete()

Delete an key.

Signature

delete() => { id: ID, coll: Collection}

Description

The delete() method deletes the key from storage, and returns an Object representing the deleted key with the id and coll identity fields.

Parameters

None

Return value

Type Description

NullKey

Document doesn’t exist or is inaccessible. See NullDoc.

Examples

Basic example

Key.byId("412655134325080576")!.delete()
Key("412655134325080576") /* deleted */

Delete all keys

To avoid throttling, you can incrementally delete all keys for a database before deleting the database itself.

To stay within transaction size limits, use set.paginate() to perform the deletions over several queries instead of one.

// Gets all `Key` system collection documents.
// Uses `pageSize()` to limit the page size.
// Uses `paginate()` to project the after cursor.
let page = Key.all().pageSize(200).paginate()

// `paginate()` returns an object. The object's `data` property
// contains an Array of `Key` documents.
let data = page.data

// Use `forEach()` to delete each `Key` document in the
// `data` Array.
data.forEach(doc => doc.delete())

// Project the `after` cursor returned by `paginate()`.
// Use the cursor to iterate through the remaining pages.
page {
  after
}
{
  after: "hdWDxoq..."
}

Subsequent queries use the cursor and Set.paginate() to iterate through the remaining pages:

// Uses `Set.paginate()` to iterate through pages.
let page = Set.paginate("hdW...")

let data = page.data

data.forEach(doc => doc.delete())

page {
  after
}

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