On Tue, Sep 13, 2016 at 11:51 AM, Robert Haas <robertmh...@gmail.com> wrote:
> I think it's probably wrong to worry that an array-of-arrays is going
> to be meaningfully slower than a single array here.  It's basically
> costing you some small number of additional memory references per
> tuple, which I suspect isn't all that relevant for a bulk operation
> that does I/O, writes WAL, locks buffers, etc.

This analysis makes perfect sense to me.

Peter Geoghegan

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