I'm very new to this library and am trying to understand the Boo DSL. When
I run the following code, I get "Null enumerator detected, are you trying
to read from the first operation in the process?"
code:
import FileHelpers
[DelimitedRecord("|")]
public class LoyaltyRow:
public Name as string
public Loyalty as string
operation import_from_db:
input "SourceDatabase", Command = """
SELECT
FirstName, LastName, LoyaltyNumber
FROM LoyaltyTable
"""
operation transform_names:
for row in rows:
row.Name = row.FirstName + " " + row.LastName
row.Loyalty = row.LoyaltyNumber.ToString()
yield row
operation export_file:
engine = Rhino.Etl.Core.Files.FluentFile.For[of LoyaltyRow]()
file = engine.To("DatabaseExport.txt")
for row in rows:
record = row.ToObject[of LoyaltyRow]()
file.Write(record)
yield row
file.Dispose()
process Test:
import_from_db()
transform_names()
export_file()
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