presto-base-jdbc/src/main/java/io/prestosql/plugin/jdbc/StandardColumnMappings.java/StandardColumnMappings/timestampColumnMapping
class StandardColumnMappings:    public static ColumnMapping timestampColumnMapping(ConnectorSession session)
    {
        return ColumnMapping.longMapping(
                TIMESTAMP,
                timestampReadFunction(session),
                timestampWriteFunction(session));
    }