array_last
Returns the last element in the array for which func(arr1[i]) returns something other than 0.
T array_last(lambda, ARRAY<T>)
Use a lambda bool expression and an array as the input parameters, the lambda expression is used to evaluate the internal data of other input ARRAY parameters.
mysql> select array_last(x->x>2, [1,2,3,0]) ; +------------------------------------------------------------------------------------------------+ | array_last(array_filter(ARRAY(1, 2, 3, 0), array_map([x] -> x(0) > 2, ARRAY(1, 2, 3, 0))), -1) | +------------------------------------------------------------------------------------------------+ | 3 | +------------------------------------------------------------------------------------------------+ mysql> select array_last(x->x>4, [1,2,3,0]) ; +------------------------------------------------------------------------------------------------+ | array_last(array_filter(ARRAY(1, 2, 3, 0), array_map([x] -> x(0) > 4, ARRAY(1, 2, 3, 0))), -1) | +------------------------------------------------------------------------------------------------+ | NULL | +------------------------------------------------------------------------------------------------+
ARRAY, LAST, ARRAY_LAST