= table.id = table.association :record, label_method: ->(r) { r.try_all(*Itsf::Backend.resource_title_methods) } = table.column :filename do |resource| - resource.blob.filename = table.column :blob_content_type do |resource| - resource.blob.content_type = table.column :blob_byte_size do |resource| - resource.blob.byte_size = table.column :blob_checksum do |resource| - resource.blob.checksum = table.column :blob_created_at do |resource| - resource.blob.created_at = table.timestamp :created_at, format: :short