One good reason to use cfloop instead of cfoutput is if you need to loop a query output within another query output cfoutput does not support nested query. Using CFOUTPUT to Output Query Data. Use the CFOUTPUT tag to define the query variable that you want to output to a page. When you use the QUERY. Grouping Output The CFOUTPUT tag has an attribute called GROUP that lets you to group output from your record sets before displaying it to the browser.
|Published (Last):||14 August 2016|
|PDF File Size:||13.95 Mb|
|ePub File Size:||15.67 Mb|
|Price:||Free* [*Free Regsitration Required]|
You should consider how this might affect the performance of cfourput application if you want to return only a few records from a large record set that contains numerous duplicate values.
Email Required, but never shown.
With Safari, you learn the way you learn best. Executing the template results in the output shown in Figure For cfloop you cfoytput to specify the endrow index instead of the count. It really depends how the compiler compiles the CFML pages to bytecode, but I do agree that cfoytput all likelihood the compiler will at the very least remove unnecessary instructions to the JVM.
For example, the following code displays the text “Hello World!
cfiutput So far I have gotten CF to output one line but its the first record over and over again In such a case, you should use SQL to remove the duplicates. It is entirely possible to group data several levels deep. I develop using ColdFusion and wanted to know what is the best strategy to loop over large query result set. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden.
CFOUTPUT to One Line w/o the Automatic Carriage Return – Adobe: ColdFusion – Tek-Tips
And the rest is pretty much personal preference as far as how you “like” to work with your loop. This cfojtput is optional and defaults to Yes. Not sure how that happened. By joining you are opting in to receive e-mail. This tag requires an end tag.
Programming ColdFusion by Rob Brooks-Bilson
Sign up using Facebook. Dropped the cfset and changed the cfoutput query to what you have it bingo presto Name of cfquery from which to draw data for output section.
Click Here to join Tek-Tips and talk with other members! Nice, I take it you mean grouped cfloops bennadel. This allows you to do such things as group the output of a query by a certain field or fields such as age, gender, department, color, etc.
This will make up for most cases of inefficient Cfoutpkt. I believe it’s all the same as performance, Ben Forta. In this case, we want to group the query results by Department.
Whether to consider the case in grouping rows. Same applies for Railo 4. Stay ahead with the world’s most comprehensive technology and business learning platform. Im trying to output a cfquery to one line so it can be scrolled across a news ticket.
I think this difference has been tackled, the best bet is to do a test for each to test in you specific use case. The Tek-Tips staff will check this out and take appropriate action. Start Free Trial No credit card required. You can however get away with it using cfloops. James A Mohler 7, 12 32 Students Click Ffoutput Join Us!
As of CF10, with ho ability to group cfloops, that’s the only remaining functional difference. Failing to do so results in unwanted output.