If someone is in office with a range of 2004 - 2006, the year 2005 does not appear in the SQL results, yet 2005 needs to be grouped on. You can't group on a value that doesn't exist. There is no year column in the output to group on, only a start date and an end date.
-Mike Chabot On Sun, Sep 26, 2010 at 4:02 PM, Russ Michaels <r...@michaels.me.uk> wrote: > > Mike, > > why do you would you need to know the exact years to use grouped output? > This is not how it works. > Grouped output simply groups the output by the defined column > So if you group ny year, it will output all records with the same year > together allowing you to then separate the output, add headings etc. > > > On Sun, Sep 26, 2010 at 4:34 PM, Mike Chabot <mcha...@gmail.com> wrote: > >> >> The grouped output doesn't work because the exact years are not known >> in the query output. Only the date range is known. >> >> -Mike Chabot >> >> On Sun, Sep 26, 2010 at 5:20 AM, Russ Michaels <r...@michaels.me.uk> >> wrote: >> > >> > did the grouped cfoutpout not work for you then ? >> > >> > On Sun, Sep 26, 2010 at 4:55 AM, GLM <g...@glmdesigns.com> wrote: >> > >> >> >> >> Mike thanks for the lead. It had crossed my mind to build a numbers >> table >> >> but I didn't think it would work. (I've never used them myself.) >> >> >> >> I thought that it was somewhat excessive as there would have to be at >> least >> >> 365x220 rows (over 80,000). In the examples I gave I think one row per >> year >> >> (220) would be more than good enough but there are numerous exceptions >> >> (people dying in office, getting nominated to higher office, etc...) >> >> >> >> I'll give it a shot. >> >> >> >> Thx >> >> >> >> -----Original Message----- >> >> From: Mike Chabot [mailto:mcha...@gmail.com] >> >> Sent: Saturday, September 25, 2010 10:50 PM >> >> To: cf-talk >> >> Subject: Re: cfoutput or cfloop? which is the more practical solution >> >> >> >> >> >> You can do this in SQL, although the methods I can think of involve >> >> advanced techniques so I hesitate to recommend them based on your >> >> stated SQL experience. One technique involves joining to a "numbers >> >> table" which will transform the start and end dates into one row per >> >> year. >> >> >> >> You can use the cfloop technique in your first post. It should get the >> >> job done. It isn't the fastest method, but it could be fast enough. >> >> One alternative to consider would be to have one big database query, >> >> then loop over the one query once and build up an array or a structure >> >> containing the data you want to output, then cfoutput the array or >> >> structure. >> >> >> >> -Mike Chabot >> >> >> >> On Fri, Sep 24, 2010 at 10:28 PM, GLM <g...@glmdesigns.com> wrote: >> >> > >> >> > Thanks Mike, >> >> > >> >> > I'm not a SQL expert but I don't see how. I can do something with >> >> particular >> >> > fields such as the year the person was elected (governorDateStart) or >> >> when >> >> > the person left office governorDateEnd >> >> > >> >> > >> >> > SELECT >> >> > governorParty, >> >> > COUNT(governorState), >> >> > governorDateStart >> >> > WHERE gender=female >> >> > >> >> > FROM >> >> > governors >> >> > >> >> > GROUP BY governorParty, governorDateStart >> >> > >> >> > And get something along the line of: >> >> > >> >> > 2001 - Republican - 2 >> >> > 2002 - Republican - 1 >> >> > 2003 - Democratic - 3 >> >> > 2003 - Republican - 1 >> >> > 2004 - Democratic - 1 >> >> > 2004 - Republican - 1 >> >> > 2005 - Democratic - 1 >> >> > 2006 - Republican - 1 >> >> > 2009 - Democratic - 1 >> >> > 2009 - Republican - 1 >> >> > >> >> > But what's desired is: how many are in office at a particular time. >> >> > For instance: >> >> > list the governors in 1889; >> >> > list the number of female governors in 2005 >> >> > >> >> > thx >> >> > >> >> > >> >> > >> >> > >> >> > -----Original Message----- >> >> > From: Mike Chabot [mailto:mcha...@gmail.com] >> >> > Sent: Friday, September 24, 2010 7:35 PM >> >> > To: cf-talk >> >> > Subject: Re: cfoutput or cfloop? which is the more practical solution >> >> > >> >> > >> >> > Are you able to craft a query that will return the results you need >> >> > without ColdFusion having to do any extra parsing of it? That is the >> >> > first thing I would try. In your brief example it seems like that >> >> > would be solved using a GROUP BY statement in the query. >> >> > >> >> > -Mike Chabot >> >> > >> >> > On Fri, Sep 24, 2010 at 7:23 PM, GLM <g...@glmdesigns.com> wrote: >> >> >> >> >> >> I have a database with presidents, governors, etc. and need to be >> able >> >> to >> >> >> pull out information such as: >> >> >> >> >> >> >> >> >> >> >> >> Get the number of all female governors over the years and spit out >> >> > something >> >> >> on the order of: >> >> >> >> >> >> >> >> >> >> >> >> 1789 : 0 >> >> >> >> >> >> 1790 : 0 >> >> >> >> >> >> . >> >> >> >> >> >> 2005 : 10 >> >> >> >> >> >> . >> >> >> >> >> >> 2010 : 6 >> >> >> >> >> >> >> >> >> >> >> >> The database has dateStarted, dateEnded >> >> >> >> >> >> >> >> >> >> >> >> I can loop through this [SIMPLIFIED CODE] >> >> >> >> >> >> >> >> >> >> >> >> <cfloop> >> >> >> >> >> >> <cfquery> >> >> >> >> >> >> SELECT >> >> >> >> >> >> FROM >> >> >> >> >> >> WHERE year == #desiredYear# >> >> >> >> >> >> >> >> >> >> >> >> </cfquery> >> >> >> >> >> >> </cfloop> >> >> >> >> >> >> >> >> >> >> >> >> This seems like a foolish way to do this. Is there a better way to do >> >> it? >> >> > Is >> >> >> it better to make one query and then use CF to parse it >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> > >> >> > >> >> > >> >> > >> >> >> >> >> >> >> >> >> > >> > >> >> > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Order the Adobe Coldfusion Anthology now! http://www.amazon.com/Adobe-Coldfusion-Anthology-Michael-Dinowitz/dp/1430272155/?tag=houseoffusion Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:337566 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/groups/cf-talk/unsubscribe.cfm
