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
)
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 values
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