blob: d91e400419e553e474b29346d7a62a29d9ec5858 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
module Arel
class Order < Compound
attr_reader :orderings
def initialize(relation, orderings)
super(relation)
@orderings = orderings.collect { |o| o.bind(relation) }
end
def == other
super ||
Order === other &&
relation == other.relation &&
orderings == other.orderings
end
# TESTME
def orders
# QUESTION - do we still need relation.orders ?
(orderings + relation.orders).collect { |o| o.bind(self) }.collect { |o| o.to_ordering }
end
def eval
unoperated_rows.sort do |row1, row2|
ordering = orders.detect { |o| o.eval(row1, row2) != 0 } || orders.last
ordering.eval(row1, row2)
end
end
end
end
|