我有这两个模型:
class CachedRecord(models.Model):
recordname = models.CharField(max_length=100,primary_key=True)
recordcount = models.IntegerField()
def __unicode__(self):
return self.recordname
class CachedRecordData(models.Model):
record = models.ForeignKey(CachedRecord)
data = models.CharField(max_length=100)
def __unicode__(self):
return self.data
当我尝试从管理面板中删除CachedRecord时,我收到了以下错误提示:
ProgrammingError at /admin/myapp/cachedrecord/
operator does not exist: integer = character varying
LINE 1: ...ON ( "myapp_cachedrecorddata"."record_id" = "myapp...
^
HINT: No operator matches the given name and argument type(s).
You might need to add explicit type casts.
我发现了很多问题(所以这可能是一个重复的问题),但我真的不明白任何答案。 heroku, postgreSQL, django, comments, tastypie: 没有匹配给定名称和参数类型的运算符。您可能需要添加显式类型转换 没有匹配给定名称和参数类型的运算符。您可能需要在Netbeans、Postgresql 8.4和Glassfish中添加显式类型转换 在Django中,我需要在哪里添加这些强制转换?