All ideas are welcome. Just because the Idea doesn't make it into the product immediately does not make it a bad idea.
If transform table check box is set, there should be validation that the table exists and has the correct fields. If it doesn't exist, or has incorrect fields, an error should be generated.
Found at Novelis, DSP 220.127.116.1171 (From memory)
You won't be notified about changes to this idea.