Re: [HACKERS] Proposal: Local indexes for partitioned table

On Fri, Dec 15, 2017 at 5:18 PM, Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
> We have two options for marking valid:
>
> 1. after each ALTER INDEX ATTACH, verify whether the set of partitions
> that contain the index is complete; if so, mark it valid, otherwise do
> nothing.  This sucks because we have to check that over and over for
> every index that we attach
>
> 2. We invent yet another command, say
>     ALTER INDEX <idx-on-parent> VALIDATE

If ALTER INDEX .. ATTACH is already taking AEL on the parent, then I
think it might as well try to validate while it's at it.  But if not
then we might want to go with #2.

-- 
Robert Haas
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