in jdbc-grpc-client/src/main/java/org/apache/kyuubi/grpc/client/SimpleBlockingJdbcClient.java [193:200]
public DirectStatusResp releaseSavepoint(String connectionId, Savepoint savepoint) {
ReleaseSavepointReq.Builder builder = ReleaseSavepointReq.newBuilder();
ReleaseSavepointReq req = builder
.setConnectionId(ConnectionHandle.newBuilder().setId(connectionId).build())
.setSavepoint(savepoint)
.build();
return connectionBlockingStub.releaseSavepoint(req);
}