SELECT xyz.*
FROM PUBLIC.DBLINK ('dbname=LiveDB port=5432 host=127.0.0.1 user=postgres
password=root','SELECT dblink_build_sql_delete(''"folderstatus"'', ''1'', 1,
''{"1"}'')')
as xyz (id int);

ERROR:  invalid input syntax for integer: "DELETE FROM folderstatuslu WHERE
id = '1'"

DELETE FROM folderstatuslu WHERE id <= '1'  --> (in the place of 1, I will
pass a variable.)