You cannot. You can use a virtual field.
On Apr 26, 5:12 am, Neveen Adel <nevo.a...@gmail.com> wrote: > Hello, > > Is there a way to select concatenation of fields as : > > select concat_ws( ' ', codes.prefix,codes.suffix,codes.name )as > name from codes > > How can do this by db().select()?? > > Thanks in Advance