How to Check if a Document Exists

• To check whether the database contains a certain document,
  use the method Exists() from the Advanced 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
  • Syntax

Check if document exists

• Sync
• Async

bool exists = session.Advanced.Exists("employees/1-A");

if (exists)
{
  // document 'employees/1-A exists
}

bool exists = await asyncSession.Advanced.ExistsAsync("employees/1-A");

if (exists)
{
  // document 'employees/1-A exists
}

Syntax

• Sync
• Async

bool Exists(string id);

Task<bool> ExistsAsync(string documentId, CancellationToken token = default);

Parameter	Type	Description
id	string	The ID of the document to check

Return Value	Description
bool	true - the document exists in the database. false - The document does Not exist in the database