ARRAY_FILL

This function scans through the given array <arr> from the first to the last element and replaces arr[i] with arr[i - 1] if the <func> returns 0. The first element of the given array is not replaced.

The Lambda function <func> is mandatory.

Syntax

ARRAY_FILL(<func>, <arr>)

Parameter	Description
`<func>`	A Lambda function used to check elements in the array.
`<arr>`	The array to be evaluated by the function.

Example

SELECT
	ARRAY_FILL(x -> x < 0, [ 1, 2, 3, 9 ]) AS res;

Returns: 1,1,1,1

SELECT
	ARRAY_FILL(x -> x > 0, [ 1, 2, 3, 9 ]) AS res;

Returns: 1,2,3,9