Re: Picking out the most recent row using a time stamp column

On Feb 24, 2011, at 14:55, Dave Crooke wrote:

> Is there a more elegant way to write this, perhaps using PG-specific
> extensions?

SELECT DISTINCT ON (data.id_key)
       data.id_key, data.time_stamp, data.value
  FROM data
  ORDER BY data.id_key, data.time_stamp DESC;

Michael Glaesemann
grzm seespotcode net