Number of milliseconds for which to keep the storage for a partition.
The field used to determine how to create a time-based partition. If time-based partitioning is enabled without this value, the table is partitioned based on the load time.
If set to true, queries over this table require a partition filter that can be used for partition elimination to be specified.
The supported types are DAY, HOUR, MONTH, and YEAR, which will generate one partition per day, hour, month, and year, respectively.