On Sat, Oct 15, 2011 at 2:58 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> In principle somebody could be doing something like
> WHERE pointcol <@ ANY (ARRAY[list of box values])
> and expecting that to generate a bitmap indexscan on a GIST index, but
> is it likely that anyone is doing that? (As opposed to the equivalent
> formulation with "pointcol <@ box1 OR pointcol <@ box2 ...", which would
> still work to generate OR'd bitmap scans even if we took out the
> ScalarArrayOpExpr logic.)
That seems like a pretty natural formulation to me, so I would be
rather reluctant to assume nobody's doing it.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
