Re: Mysterious WHERE clause when updating an object

On Mon, Jul 15, 2013 at 3:05 PM, J. Barber <jbarber@iliff.edu> wrote:
> I am having trouble updating an existing table using django on ms sql
> server. Here is the query I am using:
>
>>>> c = Candidacy.objects.get(id_num=610020956, stage__in=('150 ', '350
>>>> '))
>>>> c.enroll_dep_amt = 146
>>>> c.save()
>
> But the SQL query sent to the server does not look as it should. Instead, I
> get this (note especially the WHERE clause):
>
>>>> print connection.queries[-1]
> {'time': '0.079', 'sql': u'UPDATE [CANDIDACY] SET [CUR_CANDIDACY] = Y,
> [STAGE] =
> 150 , [ENROLL_FEE_TYPE] = help?, [ENROLL_DEP_DTE] = 2013-07-15 13:12:01,
> [enro
> ll_dep_amt] = 146 WHERE [CANDIDACY].[YR_CDE] = 2013 '}
>
> Thus, instead of updating a single row, the sql updates over 1000 rows.
> Below is my model:
>
> class Candidacy(models.Model):
> id_num = models.IntegerField(primary_key=True, db_column=u"ID_NUM")
> trm_cde = models.CharField(max_length=2, primary_key=True,

^^^^^^^^^^^
> db_column=u"TRM_CDE")
> yr_cde = models.CharField(max_length=4, primary_key=True,

^^^^^^^^^^^

Don't have multiple primary keys.

Cheers

Tom

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