# File lib/arel/insert_manager.rb, line 16 def insert fields return if fields.empty? if String === fields @ast.values = SqlLiteral.new(fields) else @ast.relation ||= fields.first.first.relation values = [] fields.each do |column, value| @ast.columns << column values << value end @ast.values = Nodes::Values.new values, @ast.columns end end