On Tue, Mar 25, 2014 at 2:44 AM, Tanmay Deshpande
<tp.deshpand...@gmail.com> wrote:
> We are trying add columnar support to postgreSQL and for that we need
> identify each column in each relation by an oid. So my doubt is how do we
> add an attribute/ a column to catalog pg_attribute ?
You can identify already uniquely columns in pg_attribute with the
couple (attrelid,attnum) or even (attrelid,attname). Using an OID to
do what already exists will just add complication in your application.

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