Is there any way to build an index like this (to ignore A, An, The) for faster title sorts? Any helpful advice for a newbie appreciated!
-Chris > -----Original Message----- > From: Denis Rudakov [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, November 13, 2001 2:03 AM > To: [EMAIL PROTECTED] > Subject: Re: Alphabetizing book titles > > > Hi. > > Try this: > > SELECT title FROM titles > ORDER BY > IF(SUBSTRING(title,1,4)="The ",SUBSTRING(title,5), > IF(SUBSTRING(title,1,2)="A ",SUBSTRING(title,3), > IF(SUBSTRING(title,1,3)="An ",SUBSTRING(title,4), > title))); > > But in version 3.23.36 the next: > SELECT title FROM titles > ORDER BY > CASE > WHEN SUBSTRING(title,1,4)="The " > THEN SUBSTRING(title,5) > WHEN SUBSTRING(title,1,2)="A " > THEN SUBSTRING(title,3) > WHEN SUBSTRING(title,1,3)="An " > THEN SUBSTRING(title,4) > ELSE title > END; > > works right. > > Goodbye. > Dannis. > > On Thu, Nov 01, 2001 at 01:09:52PM -0500, Ian M. Evans wrote: > > Back when I was working with MSSQL I needed to alphabetize > movie titles in > > the proper library format where 'A' 'An" and 'The" are ignored. > > > > For MSSQL I was told to use: > > select * from titles order by case when title like 'The %' then > substring > > (title, 5, 255) when title like 'A %' then substring (title, 3, > 255) when > > title like 'An %' then substring (title, 4, 255) else Title end > > > > That worked like a charm, yet MySQL doesn't seem to accept that. Any > > solutions or advice? > > > > -- > > Ian Evans > > Digital Hit Entertainment > > http://www.digitalhit.com > > > > > --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
