class Lower(expression, **extra) [source]
Accepts a single text field or expression and returns the lowercase representation.
It can also be registered as a transform as described in Length.
Usage example:
1 2 3 4 5 | >>> from django.db.models.functions import Lower>>> Author.objects.create(name='Margaret Smith')>>> author = Author.objects.annotate(name_lower=Lower('name')).get()>>> print(author.name_lower)margaret smith |
Changed in Django 1.9:
The ability to register the function as a transform was added.
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