=?KOI8-U?B?96bUwcymyiD0yc3eydvJzg==?= <tiv...@gmail.com> writes:
> Actually what I am talking about is to make OR with UNION (or UNION-like
> because it's a little different depending on input rows uniqueness) as an
> option. All of OR parts can use/not use different strategies (including
> multiple different idexes or hash joins).
AFAICS you're proposing re-inventing the old implementation of OR'd
indexscans. We took that out when we added bitmap scans because it
didn't have any performance advantage over BitmapOr.
regards, tom lane
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