Tom Lane <t...@sss.pgh.pa.us> writes:
> Why is this a good thing?  It seems like it would accomplish little
> except to defeat the SQL type system entirely.

It simply allows to have the classical ETL problem solved directly in
the database server, in SQL.  That's huge.

Regards,
-- 
Dimitri Fontaine
http://2ndQuadrant.fr     PostgreSQL : Expertise, Formation et Support

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