#7707: DateField/DateTimeField `in` lookup support
--------------------------------------------+-------------------------------
 Reporter:  alexkoshelev                    |       Owner:  nobody    
   Status:  new                             |   Milestone:  1.0       
Component:  Core framework                  |     Version:  SVN       
 Keywords:  DateField DateTimeField lookup  |       Stage:  Unreviewed
Has_patch:  1                               |  
--------------------------------------------+-------------------------------
 ORM doesn't support 'in' lookups for DateField/DateTimeField fields.

 Example from test:

 {{{
 #!python
 class Article(models.Model):
     headline = models.CharField(max_length=100)
     pub_date = models.DateTimeField()
     class Meta:
         ordering = ('-pub_date', 'headline')

     def __unicode__(self):
         return self.headline

 Article.objects.filter(pub_date__in=[datetime(2005, 7, 26), datetime(2005,
 7, 28)])
 }}}

 And it produces wrong SQL:
 {{{
 ('SELECT `lookup_article`.`id`, `lookup_article`.`headline`,
 `lookup_article`.`pub_date` FROM `lookup_article` WHERE
 `lookup_article`.`pub_date`
  IN (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s,
 %s, %s, %s, %s, %s, %s,
 %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s,
 %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s,
  %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s,
 %s, %s, %s, %s, %s, %s)
 ORDER BY `lookup_article`.`pub_date` DESC, `lookup_article`.`headline`
 ASC',
  (u'[', u'd', u'a', u't', u'e',u't', u'i', u'm', u'e', u'.', u'd', u'a',
 u't', u'e', u't', u'i', u'm', u'e',
  u'(', u'2', u'0', u'0', u'5', u',', u' ', u'7', u',', u' ', u'2', u'6',
 u',', u' ', u'0', u',', u' ', u'0', u')', u',', u' ',
 u'd', u'a', u't', u'e', u't', u'i', u'm', u'e', u'.', u'd', u'a', u't',
 u'e', u't', u'i', u'm', u'e', u'(', u'2',
 u'0', u'0', u'5', u',', u' ', u'7', u',', u' ', u'2', u'8', u',', u' ',
 u'0', u',', u' ', u'0', u')', u']'))
 }}}

-- 
Ticket URL: <http://code.djangoproject.com/ticket/7707>
Django Code <http://code.djangoproject.com/>
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