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Fixed #24767 -- Added Greatest and Least expressions

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Greatest and Least are row-level Function versions of Min and Max.
This commit is contained in:
Ian Foote 2015-05-09 12:55:03 +01:00 • committed by Marc Tamlyn
parent fe21fb810a
commit 4ab53a558a
7 changed files with 326 additions and 3 deletions
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12
tests/db_functions/models.py
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@ -12,6 +12,7 @@ class Author(models.Model):
name = models.CharField(max_length=50)
alias = models.CharField(max_length=50, null=True, blank=True)
goes_by = models.CharField(max_length=50, null=True, blank=True)
age = models.PositiveSmallIntegerField(default=30)
def __str__(self):
return self.name
@ -25,7 +26,18 @@ class Article(models.Model):
text = models.TextField()
written = models.DateTimeField()
published = models.DateTimeField(null=True, blank=True)
updated = models.DateTimeField(null=True, blank=True)
views = models.PositiveIntegerField(default=0)
def __str__(self):
return self.title
@python_2_unicode_compatible
class Fan(models.Model):
name = models.CharField(max_length=50)
age = models.PositiveSmallIntegerField(default=30)
author = models.ForeignKey(Author, related_name='fans')
def __str__(self):
return self.name