[Dbix-class] Fastest method to check for key existence?

[David Cantrell]

On Thu, Feb 12, 2015 at 12:25:55PM +0000, Lianna Eeftinck wrote:

> Or just use ->count, which doesn't need to retrieve and instantiate the
> objects.

Something like this:

  SELECT COUNT(*) FROM foo WHERE bar IN ('ant', 'bat', cat', 'dog');

might tell you that two of them exist, but I got the impression that the
important information which *which* two exist.

-- 
David Cantrell | Minister for Arbitrary Justice

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