Upsolver
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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(VALUES, SEPARATOR)

Examples

Values
Separator
Result
"a", "b", "c"
", "
"a, b, c"
5.5
", "
"5.5"
"a", "b", "c"
""
"abc"

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"