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Code Issues 32 Releases Wiki Activity

Fixed #25143 -- Added ArrayField.from_db_value().

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Thanks Karan Lyons for contributing to the patch.
This commit is contained in:
Fernando Miranda
2015-07-22 14:51:05 -03:00
committed by Tim Graham
parent f8d20da047
commit 2495023a4c
4 changed files with 65 additions and 1 deletions
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12
django/contrib/postgres/fields/array.py
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@@ -28,6 +28,10 @@ class ArrayField(Field):
if self.size:
self.default_validators = self.default_validators[:]
self.default_validators.append(ArrayMaxLengthValidator(self.size))
# For performance, only add a from_db_value() method if the base field
# implements it.
if hasattr(self.base_field, 'from_db_value'):
self.from_db_value = self._from_db_value
super(ArrayField, self).__init__(**kwargs)
@property
@@ -100,6 +104,14 @@ class ArrayField(Field):
value = [self.base_field.to_python(val) for val in vals]
return value
def _from_db_value(self, value, expression, connection, context):
if value is None:
return value
return [
self.base_field.from_db_value(item, expression, connection, context)
for item in value
]
def value_to_string(self, obj):
values = []
vals = self.value_from_object(obj)