presto-base-jdbc/src/main/java/io/prestosql/plugin/jdbc/StandardColumnMappings.java/StandardColumnMappings/varbinaryColumnMapping
class StandardColumnMappings:    public static ColumnMapping varbinaryColumnMapping()
    {
        return ColumnMapping.sliceMapping(
                VARBINARY,
                (resultSet, columnIndex) -> wrappedBuffer(resultSet.getBytes(columnIndex)),
                varbinaryWriteFunction(),
                DISABLE_PUSHDOWN);
    }