Method: Conversion table
Function name: LookupConversionTable
Parameter list: (CHAR tableName, CHAR columnName)
Return type: CHAR
What the method does: Converts a source column character value to a character value or constant you specify in a “conversion table” that you manually create in the model. To create this conversion table, select New Data Enhancement Method > New Compiled Method from the context menu of the Data Enhancement Methods branch of your model.
If the column value does not exist as a key in the table, then “?” is returned by default.