An array formula is a formula that works with an array of values, rather than a single value. Array formulas can return a single result, or multiple results and it's separated by a comma.
In Stackby, arrays can be used in conjunction with an aggregation or lookup column.
ARRAYJOIN()
It is used to join the array of aggregation columns into a string with a separator. Used when formulas can't be achieved on array data types and must be converted to a string first.
Syntax: ARRAYJOIN(Values)
Result:
ARRAYCOMPACT()
It removes empty strings and null values from the array. Keeps "false" and strings that contain one or more blank characters.
Syntax: ARRAYCOMPACT(Values)
Result :
ARRAYUNIQUE()
It only returns unique values from array
Syntax: ARRAYUNIQUE(Values)
Result:
