On Tuesday, June 21, 2016 at 11:38:37 PM UTC-7, The Bang Nguyen wrote:
>
> Hi Jeremy,
>
> I remember that I did googling and find the way to use `self.|` in
> `add_constraint`.
>
> For example:
> alter_table(:table) do
> add_constraint(:constraint) { self.|(:status => [1, 2, 3]) }
> end
> end
>
> Which will generate the constraint on status column of the table in which
> status can only be 1,2 or 3.
>
> I try to find the document again in sequel documentation, however, there's
> no luck.
> If you can, could you please point me the way to find such documentation.
>
http://sequel.jeremyevans.net/rdoc/files/doc/virtual_rows_rdoc.html#label-Boolean+Operators
> Is there the other way to generate such constraint which is more readable?
> I found that it is a bit verbose though.
>
add_constraint(:constraint, :status => [1, 2, 3])
There's no reason to use self.| with one argument, since all it does is put
the OR between the arguments given.
Thanks,
Jeremy
--
You received this message because you are subscribed to the Google Groups
"sequel-talk" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/sequel-talk.
For more options, visit https://groups.google.com/d/optout.
