if (restOfPatches.size() == 0) {
try {
ChangeUtil.deleteDraftChange(patchSetId, gitManager, replication, db);
result.setChangeId(null);
} catch (IOException e) {
result.addError(new ReviewResult.Error(
ReviewResult.Error.Type.GIT_ERROR, e.getMessage()));
}
} else {
PatchSet.Id highestId = null;
for (PatchSet ps : restOfPatches) {