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.

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Is there any performance difference between using cfloop and cfoutput?

By joining you are opting in to receive e-mail. Thank you for helping keep Tek-Tips Forums free from inappropriate posts. As of CF10, with the ability to group cfloops, that’s the only remaining functional difference. I think this difference has been tackled, the best bet is to do a test for each to test in you specific use case. James A Mohler 7, 12 32 Red Flag This Post Please let us know here why this post is inappropriate.

Sign up using Facebook. I’m not sure the conclusion is sound. Matt Busche 13k 4 32 I have run into that several times, so I generally prefer cfloop. As you can see in Figureexecuting the template results in many of the same values being output more than once. Examples with encodeFor parameter. The Tek-Tips staff will check this out and take appropriate action. This attribute is optional and defaults to Yes.

Based on the value, encodefor will be invoked for each expression inside the cfoutput tag body except the expression which is already wrapped using encodefor function. Specify the structure name in the attributeCollection attribute and use the tag’s attribute names as structure keys. Cfoutlut will make up for most cases of inefficient CFML. And the rest is pretty much personal preference as far as how you “like” to work with your loop. Posting Guidelines Promoting, selling, recruiting, coursework and thesis posting is forbidden.


In such a case, you should use SQL to remove the duplicates. It is entirely possible to group data several levels deep.

In ColdFusion 10 you can now do grouped output. 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 outputting.

Programming ColdFusion by Rob Brooks-Bilson

Get unlimited access to videos, live online training, learning paths, books, tutorials, and more. For cfoutput you can specify the startrow and the maxrows or the count to paginate your result. Eliminates adjacent duplicate rows when data is sorted. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

Register now while it’s still free! Name of cfquery from which to draw data for output section. The above sample produces the following output: My problem is that when I setup my output I get: It is important to note that using GROUP to remove duplicates from the result set does so after the result set is returned from the database. There are some notable differences though. There wouldn’t be a performance difference using either method, it depends on your coding style really.


Stay ahead with the world’s most comprehensive technology and business learning platform. So far I have gotten CF to output one line but its the first record cfputput and over again Sign up or log in Sign up using Google.

Displays output that can contain the results of processing ColdFusion variables and functions. Im trying to output a cfquery to one line so it can be scrolled across a news ticket. You can specify this tag’s attributes in an attributeCollection attribute whose value is a structure. Reasons such as off-topic, duplicates, flames, illegal, vulgar, cfohtput students posting their homework. Item 1 Item ffoutput Item 3 Im trying to get: I develop using ColdFusion and wanted to know what is the best strategy to loop over large query result set.

In this case, we want to group the query results by Department. Nice, I take it you mean grouped cfloops bennadel.

ColdFusion Help | cfoutput

This cfoutpjt 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. With Safari, you learn the way you learn best. Dropped the cfset and changed the cfoutput query to what you have it bingo presto Keep in mind you should always scope your variables, but inside a cfoutput loop that would be especially important since the query fields “could” be referenced without referring to their scope.

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