Concatenates the elements of
array: Any ARRAY type, but its elements are interpreted as strings.
delimiter: A STRING used to separate the concatenated array elements.
nullReplacement: A STRING used to express a NULL value in the result.
A STRING where the elements of
array are separated by
delimiter and null elements are substituted for
nullReplacement is omitted, null elements are filtered out.
If any argument is
NULL, the result is