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Re: DONT_CARE Aggregate - Mailing list pgsql-general

From Sergey Konoplev
Subject Re: DONT_CARE Aggregate
Date
Msg-id CAL_0b1uVcdNBO_90wVCU+MCUiA7J4qPNDy1B9DXP94dBwbohJg@mail.gmail.com
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In response to DONT_CARE Aggregate  (Robert James <srobertjames@gmail.com>)
Responses Re: DONT_CARE Aggregate  (Robert James <srobertjames@gmail.com>)
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On Wed, Dec 19, 2012 at 5:28 PM, Robert James <srobertjames@gmail.com> wrote:
> And even better:
> An aggregate which will return the first instance that meets a certain
> predicate?

Take a look at DISTINCT ON.

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Sergey Konoplev
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