Fixed #10238: coerce TextField values to unicode in the oracle backend.

import datetime

from django.db.backends import util

from django.utils.encoding import force_unicode

# Cache. Maps default query class to new Oracle query class.

_classes = {}

        def convert_values(self, value, field):

            if isinstance(value, Database.LOB):

                value = value.read()

                if field and field.get_internal_type() == 'TextField':

                    value = force_unicode(value)

            # Oracle stores empty strings as null. We need to undo this in

            # order to adhere to the Django convention of using the empty

            # string instead of null, but only if the field accepts the

    baked_date = models.DateField(null=True)

    baked_time = models.TimeField(null=True)

    consumed_at = models.DateTimeField(null=True)

    review = models.TextField()

    class Meta:

        ordering = ('consumed_at',)

>>> Donut.objects.filter(consumed_at__year=2008)

[]

# Regression test for #10238: TextField values returned from the database

# should be unicode.

>>> d2 = Donut.objects.create(name=u'Jelly Donut', review=u'Outstanding')

>>> Donut.objects.get(id=d2.id).review

u'Outstanding'

"""}

# Regression test for #8354: the MySQL backend should raise an error if given