Re: build multiple indexes in single table pass?

Andrew Dunstan wrote:
>
> From the "idle thoughts in the middle of the night" department:
>
> I don't know if this has come up before exactly, but is it possible that
> we could get a performance gain from building multiple indexes from a
> single sequential pass over the base table? If so, that would probably
> give us a potential performance improvement in pg_restore quite apart
> from the projected improvement to be got from running several steps in
> parallel processes. The grammar might look a bit ugly, but I'm sure we
> could finesse that.

TODO already has:

* Allow multiple indexes to be created concurrently, ideally via a
single heap scan, and have pg_restore use it

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

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