From 7a51983efc50c8f9092785b1b586f8884dedc01a Mon Sep 17 00:00:00 2001
From: Bryan Helmkamp <bryan@brynary.com>
Date: Sun, 17 May 2009 16:02:10 -0400
Subject: initial implementation of cross-engine join
Conflicts:
lib/arel/engines/memory/relations/array.rb
lib/arel/engines/sql/primitives.rb
---
lib/arel/algebra/relations/row.rb | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
(limited to 'lib/arel/algebra')
diff --git a/lib/arel/algebra/relations/row.rb b/lib/arel/algebra/relations/row.rb
index 3731dd9696..e8484944bd 100644
--- a/lib/arel/algebra/relations/row.rb
+++ b/lib/arel/algebra/relations/row.rb
@@ -4,12 +4,13 @@ module Arel
deriving :==, :initialize
def [](attribute)
- tuple[relation.position_of(attribute)]
+ attribute.type_cast(tuple[relation.position_of(attribute)])
end
def slice(*attributes)
Row.new(relation, attributes.inject([]) do |cheese, attribute|
- cheese << self[attribute]
+ # FIXME TESTME method chaining
+ cheese << tuple[relation.relation.position_of(attribute)]
cheese
end)
end
--
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