Yup, that is what I am currently doing ...
> ah. > > <please insert my comments about data design here>. While they are not the issue, it may be work reexamining how you have your tables constructed. for example, looks like you can fold the three "detail" tables into one. > > if we consider that this layout is a priori, and the scenario is as outlined below, then you're probably looking for > > SELECT template FROM department_table WHERE ID = #URL.owner# > UNION > SELECT template FROM product_table WHERE ID = #URL.owner# > UNION > SELECT template FROM content_table WHERE ID = #URL.owner# > > this is off the top of my head. should be fairly close, though. > > christopher olive > cto, vp of web development, vp it security > atnet solutions, inc. > 410.931.4092 > http://www.atnetsolutions.com > > > -----Original Message----- > From: Paul Giesenhagen [mailto:[EMAIL PROTECTED]] > Sent: Thursday, April 18, 2002 11:39 AM > To: CF-Talk > Subject: Re: UNION vs JOIN > > > Ok, here it is: > > fusion_table > id | owner | sub_object | type | sort | status > > department_table > id | title | description | content | status | TEMPLATE > > product_table > id | title | description | content | status | TEMPLATE .... various other > columns > > content_table > id | title | description | content | status | TEMPLATE > > The fusion table combines the id values from the other three tables, in the > two columns OWNER and SUB_OBJECT. All owners can have multiple sub_objects > and sub_objects can become owners. The type field is one of three values > department, product, or content > > So if I have id's > 1 = department > 2 = department > 3 = product > 4 = product > 5 = content > > and my fusion table looks like this: > > owner | sub_object | type > 1 2 department > 2 3 product > 2 4 product > 2 5 content > > Owner 1 has the sub_object 2 (sub_department) owner 2 has the sub objects > 3,4 (products) and 5(content item). > > So if I have a link loading up ID=4 the product and want to view it's > records, "go.cfm?owner=4" I want to write a query that will get the > template out of the appropriate table ... > I do not want to do a > <cfif type Is "product"> > run this query > <cfelseif type Is "department"> > run this query > <cfelse> > run this query > </cfif> > > I would like to run a query that will "Join or Union" the tables to get the > TEMPLATE so I can tell which template to use. I would rather not duplicate > the data and keep the template attached to each item. > > Paul Giesenhagen > QuillDesign > http://www.quilldesign.com > SiteDirector v2.0 - Commerce Builder > > > > > can you give more detail? from just this amount, it sounds like a join > may be in the making. are all the tables related via the relationship > table? > > > > christopher olive > > cto, vp of web development, vp it security > > atnet solutions, inc. > > 410.931.4092 > > http://www.atnetsolutions.com > > > > > > -----Original Message----- > > From: Paul Giesenhagen [mailto:[EMAIL PROTECTED]] > > Sent: Thursday, April 18, 2002 11:00 AM > > To: CF-Talk > > Subject: Re: UNION vs JOIN > > > > > > I am combining the results of three tables that are very similar in their > > setup and the fourth table holds all the relationships. > > > > Paul Giesenhagen > > QuillDesign > > http://www.quilldesign.com > > SiteDirector v2.0 - Commerce Builder > > > > > > > they do different things, really. what are you trying to accomplish? > > > > > > christopher olive > > > cto, vp of web development, vp it security > > > atnet solutions, inc. > > > 410.931.4092 > > > http://www.atnetsolutions.com > > > > > > > > > -----Original Message----- > > > From: Paul Giesenhagen [mailto:[EMAIL PROTECTED]] > > > Sent: Thursday, April 18, 2002 10:18 AM > > > To: CF-Talk > > > Subject: OT: UNION vs JOIN > > > > > > > > > Is there a significant difference in performance using a UNION on four > > > tables versus a JOIN on four tables? > > > > > > Thanks > > > > > > Paul Giesenhagen > > > QuillDesign > > > http://www.quilldesign.com > > > SiteDirector v2.0 - Commerce Builder > > > > > > > > > > > > > > > ______________________________________________________________________ This list and all House of Fusion resources hosted by CFHosting.com. The place for dependable ColdFusion Hosting. FAQ: http://www.thenetprofits.co.uk/coldfusion/faq Archives: http://www.mail-archive.com/cf-talk@houseoffusion.com/ Unsubscribe: http://www.houseoffusion.com/index.cfm?sidebar=lists
