time_bucket_gapfill.
locf cannot be nested inside another function call.
Arguments
| Name | Type | Default | Required | Description |
|---|---|---|---|---|
value | ANY ELEMENT | - | ✔ | The value to carry forward |
prev | EXPRESSION | - | - | If no previous value is available for gapfilling, use the prev lookup expression to get a previous value. For example, you can use prev to fill in the first bucket in a queried time range. The expression must return just a value (not a tuple as expected by the interpolate function) with the same type as the value parameter. |
treat_null_as_missing | BOOLEAN | - | - | When true, NULL values are ignored, and only non-NULL values are carried forward. |
Returns
The gapfilled value. The return type is the type ofvalue.