ExportPreview

Compute output file column preview for the first lines of the query

      [
            XML          
            resultColumns,

            XML          
            resultXML,

            String       
            resultSQLRequest
            

      ]
      = ExportPreview (
            XML          
            dataTransferStep,

            Number       
            lineCount,

            Boolean      
            countMode,

            String       
            calcFieldName
            

      )
         

Parameters

dataTransferStep

Transfer step where the calculated field is defined.

lineCount

Number of lines to return

countMode

Line counting mode

calcFieldName

Name of the observed calculated field. If empty, it is a global preview of the output file.

Return value(s)

resultColumns

Returns the values of the export file columns (line/col/val, line/col/errors).

resultXML

Returns the output XML document of the query.

resultSQLRequest

Returns the SQL query executed.

Features

Schema: xtk:dataTransfer

Static:

Yes