How to Check if a Document Exists
-
To check whether the database contains a certain document,
use the methodexists()
from theadvanced
session operations. -
Calling 'exists' does not load the document entity to the session,
and the session will not track it. -
In this page:
Check if document exists
const exists = await session.advanced.exists("employees/1-A");
if (exists) {
// document 'employees/1-A exists
}
Syntax
session.advanced.exists(id);
Parameter | Type | Description |
---|---|---|
id | string |
The ID of the document to check |
Return Value | Description |
---|---|
Promise<boolean> |
true - the document exists in the database.false - The document does Not exist in the database |