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IBM does not intend to provide a solution to this request at this time, so it is being closed.
The ILE RPG compiler team has quite a long list of higher priority requirements, so this request is not likely to be implemented anytime soon.
If this request will be accepted, multi-page subfiles will have a major advantage over single page-subfiles, and the request to lift the limit of 9999 line subfile will be even more improtant.
Request to lift the 9999 line subfile limit:
https://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=102956
IBM has received the requirement and is evaluating it. IBM will provide a response after evaluation is complete.
From the eight steps I missed one more important step: If there are any indicators on the SFL (to define DSP and color attributes etc), they will not be defined automatically to the SFL DS, since *IN01-*IN99 is not a valid RPG variable name. They need to be redefined as ordinary variables, copied from the indicators to the variables, and after sorting copy them back to the SFL.
To flic: This is what i am already doing,
But it has some extra coding:
1. Define a DS that will be the same as the SFL, using EXTNAME.
2. If there are indicators in the SFL, the program will not compile. Need to add INDARA keyword to the dispaly file.
3. Need to define an array that is in the same format as the SFL DS.
4. Clear or initializ the array DS.
5. perform a FOR or DO loop and chain each record of the SFL and move to the array DS.
6. Sort the array.
7. Perform CLRSFL.
8. perform a FOR or DO loop and move each element of the array (if not blank or zero) back to the SFL DS. and write to the SFL.
You see it is 8 steps instead of one step.
More coding, makes it harder to read the code fo fellow programmers, more prone to errors.
Multiply it by tens of thousand installed IBM i Systems.
If all this could be eliminated by adding just a simple SORTSFL operation code. We, progarammers are demanding from user to automate everything, why not automate some of the the programming itself.
well, nothing prevents you from doing that in an array and re-display the subfile
Matt_Tyler, SQL order by works only on physical files not on a subfile.
There already exists sorting it called SQL order by clause.