U:RDoc::AnyMethod[iI"	none:ETI"$ActiveRecord::QueryMethods#none;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[I"4Returns a chainable relation with zero records.;To:RDoc::Markup::BlankLineo;
;	[I"HThe returned relation implements the Null Object pattern. It is an ;TI"Lobject with defined null behavior and always returns an empty array of ;TI"+records without querying the database.;T@o;
;	[I"MAny subsequent condition chained to the returned relation will continue ;TI"Ngenerating an empty relation and will not fire any query to the database.;T@o;
;	[I"MUsed in cases where a method or scope could return zero records but the ;TI""result needs to be chainable.;T@o;
;	[I"For example:;T@o:RDoc::Markup::Verbatim;	[I"D@posts = current_user.visible_posts.where(name: params[:name])
;TI"K# the visible_posts method is expected to return a chainable Relation
;TI"
;TI"def visible_posts
;TI"  case role
;TI"  when 'Country Manager'
;TI"&    Post.where(country: country)
;TI"  when 'Reviewer'
;TI"    Post.published
;TI"  when 'Bad User'
;TI"<    Post.none # It can't be chained if [] is returned.
;TI"  end
;TI"end;T:@format0:
@fileI"0lib/active_record/relation/query_methods.rb;T:0@omit_headings_from_table_of_contents_below000[I"();T@.FI"QueryMethods;TcRDoc::NormalModule00