presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/metadata/TableColumn.java/TableColumn/toString
class TableColumn:    @Override
    public String toString()
    {
        return toStringHelper(this)
                .add("table", table)
                .add("columnId", columnId)
                .add("columnName", columnName)
                .add("dataType", dataType)
                .toString();
    }