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Re: [Chicken-users] Postgresql egg - usage for mortals?


From: Peter Bex
Subject: Re: [Chicken-users] Postgresql egg - usage for mortals?
Date: Mon, 19 Mar 2012 19:16:27 +0100
User-agent: Mutt/1.4.2.3i

On Mon, Mar 19, 2012 at 10:34:14AM -0700, Matt Welland wrote:
> Yup, I think that is what I want. Once I saw your example it became
> apparent that (query ...) is similar to "prepare" in the perl dbi api,
> however I think I was confused since the paragraph describing query also
> mentions prepare. As far as I can tell there is actually no "prepare"
> statement.

Indeed.  However, you can prepare a statement by issuing a normal
"prepare" command.  Then later you can execute this statement using
(query 'my-prepared-statement)

I re-read the docs and I agree they're worded very badly.  I'll try
and improve the bit under "query".

> Perhaps a sentence clarifying what "query" does would help. An example
> where the query is done prior to the row-for-each would probably have
> triggered understanding for me.

I did add an example to row-for-each after replying to your previous
mail.  Hopefully that'll help.

> On the other hand just removing or explaining the reference to "prepare" in
> the "query" description is probably enough.

Yeah, the current paragraph is just mumbling about prepare but
not explaining anything.

Cheers,
Peter
-- 
http://sjamaan.ath.cx
--
"The process of preparing programs for a digital computer
 is especially attractive, not only because it can be economically
 and scientifically rewarding, but also because it can be an aesthetic
 experience much like composing poetry or music."
                                                        -- Donald Knuth



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