Thanks!
I’ll give this a try.
I did have “alpha” as a function in the model, but found I could not easily
include that in queries as easily as a field in the db. so into the db it went.
I’ll try this, and see if I can get the data out as wanted.
thanks!
—rms
> On 15 Apr 2019, at 17:08, Matthew Pava <matthew.p...@iss.com> wrote:
>
> I wouldn’t save alpha in the database. I would use a property on the model or
> annotate the field to the object manager.
>
> Property:
> class Guest(models.Model):
> @property
> def alpha(self):
> return self.lname[0] if self.lname else ''
>
> Or on the object manager:
> class GuestManager(models.Manager):
> def get_queryset(self):
> return
> super().get_queryset().annotate(alpha=Left('lname', 1))
>
> class Guest(models.Model):
> objects = GuestManager()
>
> F
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