From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | josh(at)agliodbs(dot)com |
Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-sql(at)postgresql(dot)org |
Subject: | Re: Expressional Indexes |
Date: | 2003-10-22 20:37:02 |
Message-ID: | 200310222037.h9MKb2320189@candle.pha.pa.us |
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Lists: | pgsql-novice pgsql-sql |
Josh Berkus wrote:
> Tom,
>
> > Mainly that "expressional" is a made-up word.
>
> So? We're in the tech biz, Tom. New-coined words are expected. And that
> way nobody will expect it to mean something else, since we made it up.
> -- H. Dumpty, Q.E.D.
>
> > I have been considering using "calculated index" or "computed index"
> > but dunno if that really conveys anything.
>
> Well, "Expression Indexes" is the most accurate. Or "Expression-Based
> Indexes."
Computed index sound too much like there is computation done during the
index lookup, which there isn't, and it sounds like it would behave
differently from a normal index, which it doesn't.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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