What is the best way to implement a control break, in Rails ?
Suppose we have a table:
CREATE TABLE purchases (
id int not null auto_increment ,
card varchar(20) ,
description varchar(80) ,
amount decimal(10,2)
)
with this data
1, AA, xxxxxxx, 20.45
2, BB, xxxxxxx, 3.45
3, AA, xxxxxxx, 23.45
4, AA, xxxxxxx, 11.22
5, BB, xxxxxxx, 91.77
and we want to make a report like this:
CARD AA
description amount
(...)
description amount
TOTAL CARD AA: total_card
CARD BB
description amount
(...)
description amount
TOTAL CARD BB: total_card
TOTAL PURCHASES: total_purchases
Any help would be appreciated !
Carlos
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