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

On Thu, Nov 30, 2017 at 7:02 AM, Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
> Great question.  So you're thinking that the planner might have an
> interest in knowing what indexes are defined at the parent table level
> for planning purposes; but for that to actually have any effect we would
> need to change the planner and executor also.  And one more point, also
> related to something you said before: we currently (I mean after my
> patch) don't mark partitioned-table-level indexes as valid or not valid
> depending on whether all its children exist, so trying to use that in
> the planner without having a flag could cause invalid plans to be
> generated (i.e. ones that would cause nonexistent indexes to be
> referenced).

Did you do it this way due to locking concerns?

-- 
Robert Haas
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