Part of the motivation behind PgREST is to get a reusable and generic enough upsert implementation as a stored procedure; see https://github.com/pgrest/pgrest/b

Part of the motivation behind PgREST is to get a reusable and generic enough upsert implementation as a stored procedure; see https://github.com/pgrest/pgrest/blob/master/test/upsert.ls https://github.com/pgrest/pgrest/blob/master/test/upsert.ls for details.