chore(firestore): Clarify Transactioln.Get error code (googleapis#6121)

Clarifies that `Transaction.Get()` returns an error with `NotFound` status code. Co-authored-by: Hidehito Yabuuchi <[email protected]> Co-authored-by: Eno Compton <[email protected]>
kimihrr · Aug 5, 2022 · 0fe3506 · 0fe3506
1 parent 076c35b
commit 0fe3506
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/firestore/transaction.go b/firestore/transaction.go
@@ -195,7 +195,9 @@ func (t *Transaction) rollback() {
 }
 
 // Get gets the document in the context of the transaction. The transaction holds a
-// pessimistic lock on the returned document.
+// pessimistic lock on the returned document. If the document does not exist, Get
+// returns a NotFound error, which can be checked with
+//    status.Code(err) == codes.NotFound
 func (t *Transaction) Get(dr *DocumentRef) (*DocumentSnapshot, error) {
 	docsnaps, err := t.GetAll([]*DocumentRef{dr})
 	if err != nil {