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| author | Nick Kallen <nkallen@nick-kallens-computer-2.local> | 2008-01-05 15:32:22 -0800 |
|---|---|---|
| committer | Nick Kallen <nkallen@nick-kallens-computer-2.local> | 2008-01-05 15:32:22 -0800 |
| commit | d1e5265a1db424e7361878772d32ae4ec39babe2 (patch) | |
| tree | 89e3313c6207114dd706270d6b5b0c90f7fbf294 /lib | |
| parent | d7b89d957dbceb4eeceb0b1d381474a4de70a14d (diff) | |
| download | rails-d1e5265a1db424e7361878772d32ae4ec39babe2.tar.gz rails-d1e5265a1db424e7361878772d32ae4ec39babe2.tar.bz2 rails-d1e5265a1db424e7361878772d32ae4ec39babe2.zip | |
join relation qualification
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sql_algebra/relations/join_relation.rb | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/sql_algebra/relations/join_relation.rb b/lib/sql_algebra/relations/join_relation.rb index c65b07225f..6dd63ad117 100644 --- a/lib/sql_algebra/relations/join_relation.rb +++ b/lib/sql_algebra/relations/join_relation.rb @@ -10,7 +10,12 @@ class JoinRelation < Relation ((relation1 == other.relation1 and relation2 == other.relation2) or (relation2 == other.relation1 and relation1 == other.relation2)) end + + def qualify + JoinRelation.new(relation1.qualify, relation2.qualify, *predicates.collect(&:qualify)) + end + protected def joins relation1.joins + relation2.joins + [Join.new(relation1, relation2, predicates, join_type)] end @@ -27,6 +32,5 @@ class JoinRelation < Relation relation1[name] || relation2[name] end - protected delegate :table, :to => :relation1 end
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