diff options
Diffstat (limited to 'lib/arel/relations/utilities/compound.rb')
| -rw-r--r-- | lib/arel/relations/utilities/compound.rb | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/lib/arel/relations/utilities/compound.rb b/lib/arel/relations/utilities/compound.rb index a77099e0de..23a55d4b5b 100644 --- a/lib/arel/relations/utilities/compound.rb +++ b/lib/arel/relations/utilities/compound.rb @@ -2,25 +2,17 @@ module Arel class Compound < Relation attr_reader :relation hash_on :relation - delegate :joins, :wheres, :join?, :inserts, :taken, - :skipped, :name, :aggregation?, :column_for, - :engine, :table, :table_sql, + delegate :joins, :join?, :inserts, :taken, :skipped, :name, :aggregation?, + :column_for, :engine, :table, :table_sql, :to => :relation - def attributes - @attributes ||= relation.attributes.collect { |a| a.bind(self) } - end - - def wheres - @wheres ||= relation.wheres.collect { |w| w.bind(self) } - end - - def groupings - @groupings ||= relation.groupings.collect { |g| g.bind(self) } - end - - def orders - @orders ||= relation.orders.collect { |o| o.bind(self) } + [:attributes, :wheres, :groupings, :orders].each do |operation_name| + operation = <<-OPERATION + def #{operation_name} + @#{operation_name} ||= relation.#{operation_name}.collect { |o| o.bind(self) } + end + OPERATION + class_eval operation, __FILE__, __LINE__ end end end
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