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FILEMAKER PRO HELP 859
the higher flag instead of Lookup because the weight of an item may not exactly match the
maximum weight, therefore we want to find the next highest value.
There are two tables, Items and Shipping Costs, in a database file containing data as shown below.
Items table
Shipping Costs table
The two tables are related by Weight and Max Weight. The calculation field Rate Lookup is
defined as
Rate Lookup = LookupNext(Shipping Costs::Max Weight; Higher).
The Rate Lookup calculation field will return 25, 25, 100, and 150 for records 1 to 4. Rate
Lookup
can then be used to get the correct rate code (A, A, C, and D respectively).
Related topics
Functions reference (category list)
Functions reference (alphabetical list)
About formulas
About functions
Defining calculation fields
Using operators in formulas
Self
Purpose
Returns the content of the object in which the calculation is defined.
Item Weight Rate Lookup
Lamp 8
Chair 22
Desk 60
Bed 120
Rate Code Maximum Weight
A 25
B 50
C 100
D 150
Item Weight Rate Lookup
Lamp 8 25
Chair 22 25
Desk 60 100
Bed 120 150