Hi Chris, Please tell me why a group by with a having shouldn't work in this case. I tested it with a small table and it works fine, at least in this case.
Peter Sap. ----- Oorspronkelijk bericht ----- > Van: "Chris" <[EMAIL PROTECTED]> > Aan: "List: MySQL" <[EMAIL PROTECTED]> > Verzonden: vrijdag 21 november 2003 2:19 > Onderwerp: RE: How to 'customize' GROUP BY? > > > > That won't do what it looks like he wants. > > > > GROUP BY can't do that :( I wish it could. > > > > This issue recently came up for me, and I initially was using Temporary > > table, but then had to switch to a 'pregrouped' table so I could retrieve > > data properly. > > > > -----Original Message----- > > From: Peter Sap [mailto:[EMAIL PROTECTED] > > Sent: Thursday, November 20, 2003 4:25 PM > > To: List: MySQL > > Subject: Re: How to 'customize' GROUP BY? > > > > > > Hi Yves, > > > > You can use a having clause to work with groups: > > > > select grp, max(id) as maxid > > from tbl > > group by grp > > having maxid = max(id) > > > > Regards, > > > > Peter Sap > > > > ----- Original Message ----- > > From: "Yves Goergen" <[EMAIL PROTECTED]> > > To: "List: MySQL" <[EMAIL PROTECTED]> > > Sent: Thursday, November 20, 2003 11:28 PM > > Subject: How to 'customize' GROUP BY? > > > > > > > Hi again... > > > yet another question to this list that maybe someone can easily answer > > me... > > > > > > When I do a GROUP BY on a column of my query, I'll get one random row > from > > > the entire group. But how can I tell MySQL to, i.e., give me the row > with > > > the highest value of another column or so? I mean something like > > > > > > SELECT id, grp FROM tbl GROUP BY grp ORDER BY id > > > > > > but with the ORDER BY relating to the GROUP... I don't know how to > express > > > this in SQL since it doesn't seem to be possible? > > > > > > -- > > > Yves Goergen > > > [EMAIL PROTECTED] > > > Please don't CC me (causes double mails) > > > -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
