The following table lists the available Time Series virtual columns, and a description of their purpose. For more information, please refer to Time Series Tables and Operations, B035-1208.
|$TD_TIMECODE_RANGE||A virtual system column giving the range of time over which an aggregate result is computed. It is valid only in a select list or ORDER BY clause.|
|$TD_GROUP_BY_TIME||A virtual system column that gives the number of the timebucket as a BIGINT value (1, 2, 3 etc.).|