Re: FAQ -- Index usage/speed - Mailing list pgsql-docs

From Bruce Momjian
Subject Re: FAQ -- Index usage/speed
Date
Msg-id 200409010328.i813SQU29489@candle.pha.pa.us
Whole thread Raw
In response to Re: FAQ -- Index usage/speed  ("Marc G. Fournier" <scrappy@postgresql.org>)
List pgsql-docs
Marc G. Fournier wrote:
> On Tue, 31 Aug 2004, Josh Berkus wrote:
>
> > Bruce,
> >
> >> However, with this fixed in 8.0, it probably isn't worth adding to the
> >> FAQ.
> >
> > I'd disagree.  We can expect people to be using 7.3 and 7.4 for 2 years
> > yet.
>
> Have to agree ... I'm still supporting clients using 7.2 ...

OK, added to FAQ:

    <P>In pre-8.0 releases, indexes often can not be used unless the data
    types exactly match the index's column types.  This is particularly
    true of int2, int8, and numeric column indexes.</P>

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