2010/12/2 Jared Camins-Esakov <jcamins@cpbibliography.com>

Nicole,

I'm not sure I'm completely understanding what you want to do, but, if I am, does this query work:

SELECT DATE(datetime) AS date, SUBSTRING_INDEX(itemcallnumber, ' ', 1) AS 'Call# range', count(*) AS count FROM statistics LEFT JOIN items USING (itemnumber) WHERE statistics.type IN ('issue', 'renew') AND YEAR(datetime) = 2010 GROUP BY DATE(datetime), SUBSTRING_INDEX(itemcallnumber, ' ', 1);

What this should do is select all the text before the first space in a call number. I don't have access to any catalog with circulation data, though, so I can't really test it.

Regards,
Jared

On Thu, Dec 2, 2010 at 10:16 AM, Nicole Engard <nengard@gmail.com> wrote:

I am looking at this report in the report library:

SELECT DATE(datetime) AS date, substring(itemcallnumber,1,1) AS 'Call#
range', count(*) AS count FROM statistics LEFT JOIN items USING
(itemnumber) WHERE statistics.type IN ('issue', 'renew') AND
YEAR(datetime) = 2010 GROUP BY DATE(datetime),
substring(itemcallnumber,1,1)

And I'm wondering if anyone knows how I could change that substring
bit to show me everything before the first space. For example I want
F but I also want JFIC - basically I want to lump it together using
the first bit of the call number - the bit before the space.

Thanks in advance,
Nicole
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--
Jared Camins-Esakov
Freelance bibliographer, C & P Bibliography Services, LLC
(phone) +1 (917) 727-3445
(e-mail) jcamins@cpbibliography.com

(web) http://www.cpbibliography.com/

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