On Tue, Sep 13, 2005 at 12:15:21PM -0700, Ben wrote: > Oracle has a very handy function called first_value, which can be used > to turn a set like this: Look at DISTINCT ON () > Does postgres have something equivalent, or, even better, is there a > reasonable way to express this in standard SQL? In standard SQL, not really, which is why it's an extention... -- Martijn van Oosterhout <kleptog@xxxxxxxxx> http://svana.org/kleptog/ > Patent. n. Genius is 5% inspiration and 95% perspiration. A patent is a > tool for doing 5% of the work and then sitting around waiting for someone > else to do the other 95% so you can sue them.
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