Array functions

This page goes over the array functions in Upsolver.

ARRAY_JOIN

Concatenates all values into a single string, separated by the separator.

Syntax

ARRAY_JOIN(SEPARATOR, VALUES)

Examples

Values

"a", "b", "c"

5.5

"a", "b", "c"

ARRAY_MAX

Return the maximum value in an array.

inputs	result
1, 0.2, 30	30

ARRAY_MIN

Return the minimum value in an array.

inputs	result
1, 0.2, 30	0.2

ARRAY_SUM

Sums all the values in the array.

inputs	result
1, 0.2, 30	31.2

CONCAT

Returns an error message indicating that CONCAT has been deprecated.

COUNT_VALUES

Returns the amount of items in a given array.

input	result
	0
"a", "b", "c"	3

COUNT_VALUES_IF

Returns the amount of true values in a given array.

input	result
	0
true, false, true	2

DISTINCT_VALUES

Get all the distinct elements in the array.

input	result
1, 2, 3, 4, 4, 1	1, 2, 3, 4

ELEMENT_AT

Gets the element at the given index in the array.

Properties

• Index - The index of the item to return

input	Index	result
"a", "b", "c"	1	"b"
"a"	1	null
"a", "b", "c"	-1	null

FIRST_ELEMENT

Gets the first element in the array.

input	result
	null
"a", "b", "c"	"a"

LAST_ELEMENT

Gets the last element in the array.

input	result
	null
"a", "b", "c"	"c"

LEAST

Return the minimum value.

input	result
[1, 0.2], [30]	0.2

PRESTO_CONCAT

This function returns the concatenation of the arguments. It provides the same functionality as the SQL-standard concatenation operator (||).

Syntax

PRESTO_CONCAT(STRING1, STRING2, ..., STRINGN)

Arguments

STRING# An expression to concatenate.

Returns

The concatenation of the arguments.

Examples

Strings	Result
"a", "b", "c"	"abc"
"1", "2" , "A", "B"	"12AB"