NOTE: When publishing to Avro, Parquet, or database tables, column names support alphanumeric characters and the underscore (_) character only. Other characters cause an error to occur.
NOTE: Column names with spaces or special characters in a transformation must be wrapped by curly braces. Example:
udf- See User-Defined Functions.
When a transform is added to the recipe, an
as: clause is automatically added to the transform step. You can modify your transform to change the value of the
For example, the following transform generates a new column with the first word from the
Name column. The
as: value renames this generated column as
|D s product|
NOTE: In macros, Rename Columns transformations do not work. This is a known issue.
Tip: To prevent potential issues with downstream systems, you should limit your column lengths to no more than 128 characters.