On 17/12/14 11:02, Atri Sharma wrote:
>
>
> On Wed, Dec 17, 2014 at 3:23 PM, Simon Riggs <simon@2ndquadrant.com
> <mailto:simon@2ndquadrant.com>> wrote:
>
> KaiGai, David Rowley and myself have all made mention of various ways
> we could optimize aggregates.
>
> Following WIP patch adds an extra function called a "combining
> function", that is intended to allow the user to specify a
> semantically correct way of breaking down an aggregate into multiple
> steps.
>
>
> Also, should we not have a sanity check for the user function provided?
Looking at the code, yes, there seems to be XXX comment about that.
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