Re: [SQL] Questions about vacuum analyze

> Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> writes:
> > Wonder how our create index does it. Seems it is must be similar.
>
> CREATE INDEX (for btrees) is very similar, and really ought to share
> code. Someone apparently didn't want to figure out how to generalize
> psort.c to handle index tuples, though. The CREATE INDEX code is a
> little better for large amounts of data but a lot worse for small
> amounts --- AFAICT it doesn't take any shortcuts, even when everything
> fits in memory. (I'm sure you've noticed that CREATE INDEX hits the
> disk pretty hard even when the source table is empty :-(.)
>
> I'm planning to merge the two sets of code and keep the best features of
> both. I already have some first-draft code that allows them to work
> with >2gig data sets.

Great.

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