Built-in Functions → Filter Functions
These functions are used to filter data to those items before or after a specified date. It is also possible to filter the data in groups.
| Function | Signature | Description |
|---|---|---|
| firstVersion() | firstVersion(<type> value, <type> group_by, date order_by) | Returns the first occurrence of a value with respect to a order_by |
| lastVersion() | lastVersion(<type> value, <type> group_by, date order_by) | Returns the last occurrence of a value with respect to a order_by |