On 27 Feb 2004, Chad wrote:
> Is it possible for Postgres Btrees to support access by logical row number ?
> If not available is ti a huge job to support for sombebody willing to have a go ?
Are talking about logical row operators as maintained by your own code
outside the database, or having postgresql suddenly start maintaining
logical row numbers? I doubt postgresql will ever have built in logical
row numbers because maintaining them in a materialized way is quite
expensive.
On the other hand, if you just need logical row numbers for a one off
thing, you can do this:
create temp sequence judy;
select *, nextval('judy') from mytable;
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