functionSpec

Specifies the function used to partition data on the target. The accepted values for this parameter are:

• identity - Uses source values directly without transformation

• year - Extracts the year from timestamp values (e.g., 2023)

• month - Extracts the month from timestamp values (e.g., 2023-01)

• day - Extracts the day from timestamp values (e.g., 2023-01-15)

• hour - Extracts the hour from timestamp values (e.g., 2023-01-15-14)