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Re: Evaluation of secondary sort key. - Mailing list pgsql-hackers

From Jesper Krogh
Subject Re: Evaluation of secondary sort key.
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Msg-id AA5A90D6-DB18-45EB-AF60-5150C3D9D3DA@krogh.cc
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In response to Re: Evaluation of secondary sort key.  (David Fetter <david@fetter.org>)
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>
> How would PostgreSQL know that sorting by id leaves no ambiguity for
> the next key to address?

It wouldn't   But it could postpone evaluation until ambiguity was actually met.

Jesper
>

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