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Add Relation#table to get the relevant Arel::Table

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This commit is contained in:
Pratik Naik
2010-01-01 00:56:49 +05:30
parent d5f9173926
commit 93555c672e
1 changed files with 10 additions and 1 deletions
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11
activerecord/lib/active_record/relation.rb
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@@ -6,7 +6,7 @@ module ActiveRecord
delegate :length, :collect, :map, :each, :all?, :to => :to_a
attr_reader :relation, :klass, :preload_associations, :eager_load_associations
attr_writer :readonly, :preload_associations, :eager_load_associations
attr_writer :readonly, :preload_associations, :eager_load_associations, :table
def initialize(klass, relation)
@klass, @relation = klass, relation
@@ -133,9 +133,18 @@ module ActiveRecord
relation.readonly = @readonly
relation.preload_associations = @preload_associations
relation.eager_load_associations = @eager_load_associations
relation.table = table
relation
end
def table
@table ||= Arel::Table.new(@klass.table_name, Arel::Sql::Engine.new(@klass))
end
def primary_key
@primary_key ||= table[@klass.primary_key]
end
protected
def method_missing(method, *args, &block)