ARRAY_SUM
Returns the sum of elements of <arr>. If the argument <func> is provided, the values of the array elements are converted by this function before summing.
Syntax
ARRAY_SUM([<func>,] <arr>)
| Parameter | Description |
|---|---|
<func> | A Lambda function with an arithmetic function used to modify the array elements. |
<arr> | The array to be used to calculate the function. |
Example
This example below uses a function to first add 1 to all elements before calculating the sum:
SELECT
ARRAY_SUM(x -> x + 1, [ 4, 1, 3, 2 ]) AS res;
Returns: 14
In this example below, no function to change the array elements is given.
SELECT
ARRAY_SUM([ 4, 1, 3, 2 ]) AS res;
Returns: 10