PRODUCT() OVER ...
All functions > WINDOW FUNCTION > PRODUCT() OVER ...
Returns the product of values in the window frame.
Syntax
PRODUCT(expr) OVER ([PARTITION BY expr [, ...]] [ORDER BY sort_item [, ...]] [ROWS|RANGE|GROUPS frame])
Notes
- SQL translation is implemented only when the current SQL backend is DuckDB
- Requires a well-defined window (ORDER BY, and optionally PARTITION BY and frame)
- NULL values are ignored where the underlying window aggregate skips NULLs
See also
Examples
FeatureQL
SELECT
f1 := ZIP(ARRAY[1,2,3] AS id, ARRAY[10, 20, 30] AS v).TRANSFORM(SELECT PRODUCT(v) OVER (ORDER BY id ASC)).UNWRAP() -- Running product to the current row
;Result
| f1 ARRAY |
|---|
| [10, 200, 6000] |