CHAPTER 12 – Databases OMRON
Page 216 Release 2.0
Note: The missing BY clause in the outer summary. This defines the Grand Total
because the parent rowset contains a single record with the grand total and a pointer
to the child recordset.
Grouped Parent Related to Grouped Child example:
SHAPE
(SHAPE {select * from customers}
APPEND ((SHAPE {select orders.*, year(orderdate) as OrderYear,
month(orderdate) as OrderMonth from orders} AS rsOrders
COMPUTE rsOrders
BY customerid, OrderYear, OrderMonth)
RELATE customerid TO customerid) AS rsOrdByMonth )
AS rsCustomers
COMPUTE rsCustomers
BY region
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