Fix formatting for zip_with documentation
@@ -212,7 +212,7 @@ Array Functions
.. function:: zip_with(array<T>, array<U>, function<T,U,R>) -> array<R>
Merges the two given arrays, element-wise, into a single array using ``function``.
- If one array is shorter, ``NULL``s are appended at the end to match the length of the longer array, before applying ``function``::
+ If one array is shorter, nulls are appended at the end to match the length of the longer array, before applying ``function``::
SELECT zip_with(ARRAY[1, 3, 5], ARRAY['a', 'b', 'c'], (x, y) -> (y, x)); -- [ROW('a', 1), ROW('b', 3), ROW('c', 5)]
SELECT zip_with(ARRAY[1, 2], ARRAY[3, 4], (x, y) -> x + y); -- [4, 6]
