diff options
Diffstat (limited to 'lib/arel/relations/operations/project.rb')
-rw-r--r-- | lib/arel/relations/operations/project.rb | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/lib/arel/relations/operations/project.rb b/lib/arel/relations/operations/project.rb deleted file mode 100644 index 5507ea3163..0000000000 --- a/lib/arel/relations/operations/project.rb +++ /dev/null @@ -1,19 +0,0 @@ -module Arel - class Project < Compound - attributes :relation, :projections - deriving :== - - def initialize(relation, *projections, &block) - @relation = relation - @projections = (projections + (block_given?? [yield(relation)] : [])).collect { |p| p.bind(relation) } - end - - def attributes - @attributes ||= projections.collect { |p| p.bind(self) } - end - - def externalizable? - attributes.any?(&:aggregation?) or relation.externalizable? - end - end -end |