presto-postgresql/src/main/java/io/prestosql/plugin/postgresql/TypeUtils.java/TypeUtils/toPgTimestamp
class TypeUtils:    static PGobject toPgTimestamp(LocalDateTime localDateTime)
            throws SQLException
    {
        PGobject pgObject = new PGobject();
        pgObject.setType("timestamp");
        pgObject.setValue(localDateTime.toString());
        return pgObject;
    }