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Code Issues 32 Releases Wiki Activity

queryset-refactor: Pass any extra(select=...) columns through the value

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conversion function in the Oracle backend after reading the row from the
database.

Refs #7087 (see comment 7 on that ticket).


git-svn-id: http://code.djangoproject.com/svn/django/branches/queryset-refactor@7470 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Malcolm Tredinnick 2008-04-26 11:21:02 +00:00
parent 3933aff6cc
commit 0b30bed861
1 changed files with 46 additions and 40 deletions
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18
django/db/backends/oracle/query.py
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@ -29,8 +29,12 @@ def query_class(QueryClass, Database):
from django.db.models.fields import DateField, DateTimeField, \
TimeField, BooleanField, NullBooleanField, DecimalField, Field
index_start = len(self.extra_select.keys())
values = list(row[:index_start])
values = [self.convert_values(v, None) for v in row[:index_start]]
for value, field in map(None, row[index_start:], fields):
values.append(self.convert_values(value, field))
return values
def convert_values(self, value, field):
if isinstance(value, Database.LOB):
value = value.read()
# Oracle stores empty strings as null. We need to undo this in
@ -59,18 +63,20 @@ def query_class(QueryClass, Database):
# In Python 2.3, the cx_Oracle driver returns its own
# Timestamp object that we must convert to a datetime class.
if not isinstance(value, datetime.datetime):
value = datetime.datetime(value.year, value.month, value.day, value.hour,
value.minute, value.second, value.fsecond)
value = datetime.datetime(value.year, value.month,
value.day, value.hour, value.minute, value.second,
value.fsecond)
if isinstance(field, DateTimeField):
pass # DateTimeField subclasses DateField so must be checked first.
# DateTimeField subclasses DateField so must be checked
# first.
pass
elif isinstance(field, DateField):
value = value.date()
elif isinstance(field, TimeField) or (value.year == 1900 and value.month == value.day == 1):
value = value.time()
elif value.hour == value.minute == value.second == value.microsecond == 0:
value = value.date()
values.append(value)
return values
return value
def as_sql(self, with_limits=True, with_col_aliases=False):
"""