Merge pull request #175 from emqx/fix-oldest

fix(membership): leader calculation error in some cases
emqx · Jan 25, 2024 · e9075fb · e9075fb
2 parents 986325b + 603bea2
commit e9075fb
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/mria_membership.erl b/src/mria_membership.erl
@@ -183,6 +183,10 @@ oldest(Members) ->
     hd(lists:sort(fun compare/2, Members)).
 
 %% @private
+compare(#member{guid = undefined}, #member{guid = _}) ->
+    false;
+compare(#member{guid = _}, #member{guid = undefined}) ->
+    true;
 compare(M1, M2) ->
     M1#member.guid < M2#member.guid.