| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "Gregory Wood" <gregw(at)com-stock(dot)com> |
| Cc: | "Jean-Luc Lachance" <jllachan(at)nsd(dot)ca>, "PostgreSQL-General" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Why is it not using an index? |
| Date: | 2002-03-15 21:00:00 |
| Message-ID: | 1591.1016226000@sss.pgh.pa.us |
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| Lists: | pgsql-general pgsql-sql |
"Gregory Wood" <gregw(at)com-stock(dot)com> writes:
> It should be. I think the response you'll get from the people on this list
> is that they're happy to accept a patch...
It's not as easy as you might think to come up with a general-purpose
solution --- bearing in mind that Postgres is supposed to support an
extensible set of datatypes, and so we'd prefer not to hard-wire much
knowledge of specific datatypes into the parser.
If you look back a year or two in the pghackers archives, you'll find
previous discussions and failed solution proposals. It's still on the
TODO list, and eventually someone will come up with a usable answer.
regards, tom lane
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