self.available_columns = [
QueryColumn.new(:project, :sortable => "#{Project.table_name}.name", :groupable => true),
QueryColumn.new(:spent_on, :sortable => ["#{TimeEntry.table_name}.spent_on", "#{TimeEntry.table_name}.created_on"], :default_order => 'desc', :groupable => true),
+ QueryColumn.new(:tweek, :sortable => ["#{TimeEntry.table_name}.spent_on", "#{TimeEntry.table_name}.created_on"], :caption => l(:label_week)),
QueryColumn.new(:user, :sortable => lambda {User.fields_for_order_statement}, :groupable => true),
QueryColumn.new(:activity, :sortable => "#{TimeEntryActivity.table_name}.position", :groupable => true),
QueryColumn.new(:issue, :sortable => "#{Issue.table_name}.id"),