Change: remove error AddLearnerError::Exists

Even when the learner to add already exists, the caller may still want to block until the replication catches up. Thus it does not expect an error. And `Exists` is not an issue the caller has to deal with, it does not have to be an error.
databendlabs · Jul 1, 2022 · 6b9ae52 · 6b9ae52
1 parent ac7ea58
commit 6b9ae52
Showing 1 changed file with 0 additions and 3 deletions.
diff --git a/openraft/src/error.rs b/openraft/src/error.rs
@@ -136,9 +136,6 @@ pub enum AddLearnerError<NID: NodeId> {
     #[error(transparent)]
     ForwardToLeader(#[from] ForwardToLeader<NID>),
 
-    #[error("node {0} is already a learner")]
-    Exists(NID),
-
     #[error(transparent)]
     MissingNodeInfo(#[from] MissingNodeInfo<NID>),