hello.I am ran in truble.I change my Model,also database,but the query
result is unchange..
my BlogEntry model is:
class Entry(models.Model):
title = models.CharField('title',maxlength=100)
content = models.TextField('content')
catelog = models.ForeignKey(Catelog,verbose_name='catelog',null=True)
author = models.ForeignKey(Account,verbose_name='author')
blog = models.ForeignKey(Blog,verbose_name='belong')
create_at = models.DateTimeField('createdtime')
status = models.IntegerField('status')
last_update_at = models.DateTimeField('updatedtime')
comment_enable = models.BooleanField('allow comment')
ip = models.IPAddressField('ip')
comment_count = models.IntegerField('commentCount')
editor_type = models.IntegerField('editor_type')
last_update_by = models.CharField('updatedby',maxlength=20,null=True)
the query is :
entries = blog.entry_set.filter
(status=1).select_related(depth=1).order_by('-id')
I display the entries on the template,also display the entry's catelog name.
{{entry.catelog.name}}
I found that,because of the nullable attribute 'catelog',django send 1 + N
sql stement to database.
so I have to change the attribute catelog not null:
before:
catelog = models.ForeignKey(Catelog,verbose_name='catelog',null=True)
after:
catelog = models.ForeignKey(Catelog,verbose_name='catelog')
and then i modify my database.make the catelog_id column not null.
but i find the result render on the page didn't correct.I want to get the
author name by {{entry.author.name}}
actually,django print the value of {{entry.blog.caption}}.this is the
problem!
I have compare the sql sent to database.the sql statment had changed.but the
query reslut seems wrong.why?and how to fix ?thanks!
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