presto-hive/src/main/java/io/prestosql/plugin/hive/CreateEmptyPartitionProcedure.java/CreateEmptyPartitionProcedure/createEmptyPartition
class CreateEmptyPartitionProcedure:    public void createEmptyPartition(ConnectorSession session, String schema, String table, List<Object> partitionColumnNames, List<Object> partitionValues)
    {
        try (ThreadContextClassLoader ignored = new ThreadContextClassLoader(getClass().getClassLoader())) {
            doCreateEmptyPartition(session, schema, table, partitionColumnNames, partitionValues);
        }
    }