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Old February 4th, 2016, 11:38 AM
Dan Korn's Avatar
Dan Korn Dan Korn is offline
FusionPro Senior Engineer / Forum Moderator
 
Join Date: Aug 2008
Location: Chicago, IL
Posts: 4,592
Default Re: Composing Several Non-Sequential Records

What exactly is it that you want to do? Please be more specific.

Do you mean that you want to have your data file sorted into multiple output files? You can do that now* with some special JavaScript code to load the data file into an ExternalDataFileEx object.
* "Now" depends on the version of FusionPro you're running.

Here's an example of how sort the output of the Frodo Travel tutorial job into multiple output files, by the Destination field:

Add this code to the JavaScript Globals:
Code:
function Field(name)
{
    var rec = mainDataRecords[FusionPro.Composition.inputRecordNumber-1];
    return mainDataFile.GetFieldValue(rec.record, name);
}
And add this code to OnJobStart:
Code:
mainDataFile = new ExternalDataFileEx(PrimaryInputFile());
mainDataSortField = "Destination";
mainDataRecords = [];
for (var r = 1; r <= mainDataFile.recordCount; r++)
    mainDataRecords.push({value:mainDataFile.GetFieldValue(r, mainDataSortField), record:r});

mainDataRecords.sort(function(a,b){if (a.value > b.value) return 1; if (a.value < b.value) return -1; return 0;});
And this code to OnRecordStart:
Code:
var rec = mainDataRecords[FusionPro.Composition.inputRecordNumber-1];
for (var fieldName in FusionPro.Fields)
    FusionPro.Composition.AddVariable(fieldName, mainDataFile.GetFieldValue(rec.record, fieldName), FusionPro.inputTreatFlatDataAsTagged);

var sortFieldValue = rec.value;
var rec_previous = mainDataRecords[FusionPro.Composition.inputRecordNumber-2];
var previousSortFieldValue = rec_previous ? rec_previous.value : "";
if (sortFieldValue != previousSortFieldValue)
    FusionPro.Composition.OpenNewOutputFile(FusionPro.Composition.MakeValidFileName(Field(mainDataSortField)) + "." + FusionPro.Composition.outputFormatExtension);
This could likely be adapted to your job, by changing the sort field name in OnJobStart.

A few caveats about this:
  • This assumes flat-file (delimited) data, where the first row contains the field names.
  • It also assumes that you're composing all the records (not a range subset).
  • Preview will work, but the record being previewed may not match the data in the Record Selector dialog.

We are looking at some enhancements along these lines for an upcoming version of FusionPro VDP (possibly version 10), so that you can just check a couple of boxes to accomplish sorting the main data file, without having to write all of this JavaScript code.
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Dan Korn
FusionPro Developer / JavaScript Guru / Forum Moderator
PTI Marketing Technologies | Printable | MarcomCentral
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