Functions Reference

Chapter 2
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Aggregate functions 15
Max
Format
Max(field{;field...})
Parameter
field - any related field, repeating field, or set of non-repeating fields; or an expression
that returns a field, repeating field, or set of non-repeating fields.
Parameters in curly braces { } are optional.
Data type returned
text, number, date, time, timestamp
Description
Returns the highest valid value in:
• a repeating field (repeatingField).
• a field in matching related records specified by (table::field), whether or not
these records appear in a portal.
• several non-repeating fields in a record (field1;field2;field3...).
• corresponding repetitions of repeating fields in a record
(repeatingField1;repeatingField2;repeatingField3), if the result is
returned in a repeating field with at least the same number of repeats.
• several fields in the first matching record specified by
(table::field1;table::field2;...). You can include fields from different
tables (table 1::field A;table 2::field B...).
Examples
The Accounts layout
has a portal showing installment payments made.
Max(Payments::PaymentDate) returns the most recent date a payment was made on
an account.
In the following examples:
• Field1 contains two repetitions with values of 1 and 2.
• Field2 contains four repetitions with values of 5, 6, 7, and 8.
• Field3 contains 6.
Max(Field2) returns 8 when the calculation isn’t a repeating field.
Max(Field1;Field2;Field3) returns 6, 6, 7, 8 when the calculation is a repeating field.
Note When a referenced field is a repeating field, the Max function returns the maximum
value in the first repetition field, then the maximum value in the second repetition field, and
so on.