lookup_name = "quarter"
class ExtractHour(Extract):
lookup_name = "hour"
class ExtractMinute(Extract):
lookup_name = "minute"
class ExtractSecond(Extract):
lookup_name = "second"
DateField.register_lookup(ExtractYear)
DateField.register_lookup(ExtractMonth)
DateField.register_lookup(ExtractDay)
DateField.register_lookup(ExtractWeekDay)
DateField.register_lookup(ExtractIsoWeekDay)
DateField.register_lookup(ExtractWeek)
DateField.register_lookup(ExtractIsoYear)
DateField.register_lookup(ExtractQuarter)
TimeField.register_lookup(ExtractHour)
TimeField.register_lookup(ExtractMinute)
TimeField.register_lookup(ExtractSecond)
DateTimeField.register_lookup(ExtractHour)
DateTimeField.register_lookup(ExtractMinute)
DateTimeField.register_lookup(ExtractSecond)
lookup_name = 'week_day'
class HourTransform(DateTransform):
lookup_name = 'hour'
class MinuteTransform(DateTransform):
lookup_name = 'minute'
class SecondTransform(DateTransform):
lookup_name = 'second'
DateField.register_lookup(YearTransform)
DateField.register_lookup(MonthTransform)
DateField.register_lookup(DayTransform)
DateField.register_lookup(WeekDayTransform)
TimeField.register_lookup(HourTransform)
TimeField.register_lookup(MinuteTransform)
TimeField.register_lookup(SecondTransform)
DateTimeField.register_lookup(DateTimeDateTransform)
DateTimeField.register_lookup(YearTransform)
DateTimeField.register_lookup(MonthTransform)
DateTimeField.register_lookup(DayTransform)
DateTimeField.register_lookup(WeekDayTransform)
DateTimeField.register_lookup(HourTransform)
DateTimeField.register_lookup(MinuteTransform)
class Fiscal(Transform):
lookup_name = None
extract_field = None
offset = '3 months'
def as_sql(self, compiler, connection):
sql, params = compiler.compile(self.lhs)
sql = "date_part('%s', %s + interval '%s')" % (self.extract_field, sql,
self.offset)
return sql, params
@property
def output_field(self):
return IntegerField()
class FiscalYear(Fiscal):
lookup_name = 'fyear'
extract_field = 'year'
class FiscalQuarter(Fiscal):
lookup_name = 'fquarter'
extract_field = 'quarter'
Field.register_lookup(NotEqual)
DateField.register_lookup(FiscalYear)
DateField.register_lookup(FiscalQuarter)
from copy import copy
from django.conf import settings
from django.db.models.expressions import Func, Value
from django.db.models.fields import (
DateField, DateTimeField, Field, IntegerField, TimeField,
)
from django.db.models.query_utils import RegisterLookupMixin
from django.utils import timezone
from django.utils.functional import cached_property
from django.utils.six.moves import range
class Lookup(object):
lookup_name = None
def __init__(self, lhs, rhs):
self.lhs, self.rhs = lhs, rhs
self.rhs = self.get_prep_lookup()
if hasattr(self.lhs, 'get_bilateral_transforms'):
bilateral_transforms = self.lhs.get_bilateral_transforms()
else:
bilateral_transforms = []
if bilateral_transforms:
# We should warn the user as soon as possible if he is trying to apply
# a bilateral transformation on a nested QuerySet: that won't work.
# We need to import QuerySet here so as to avoid circular
from django.db.models.query import QuerySet
if isinstance(rhs, QuerySet):
raise NotImplementedError("Bilateral transformations on nested querysets are not supported.")
self.bilateral_transforms = bilateral_transforms
def apply_bilateral_transforms(self, value):
for transform in self.bilateral_transforms:
lookup_name = 'week_day'
class HourTransform(DateTransform):
lookup_name = 'hour'
class MinuteTransform(DateTransform):
lookup_name = 'minute'
class SecondTransform(DateTransform):
lookup_name = 'second'
DateField.register_lookup(YearTransform)
DateField.register_lookup(MonthTransform)
DateField.register_lookup(DayTransform)
DateField.register_lookup(WeekDayTransform)
TimeField.register_lookup(HourTransform)
TimeField.register_lookup(MinuteTransform)
TimeField.register_lookup(SecondTransform)
DateTimeField.register_lookup(DateTimeDateTransform)
DateTimeField.register_lookup(YearTransform)
DateTimeField.register_lookup(MonthTransform)
DateTimeField.register_lookup(DayTransform)
DateTimeField.register_lookup(WeekDayTransform)
DateTimeField.register_lookup(HourTransform)
DateTimeField.register_lookup(MinuteTransform)
lookup_name = 'quarter'
class ExtractHour(Extract):
lookup_name = 'hour'
class ExtractMinute(Extract):
lookup_name = 'minute'
class ExtractSecond(Extract):
lookup_name = 'second'
DateField.register_lookup(ExtractYear)
DateField.register_lookup(ExtractMonth)
DateField.register_lookup(ExtractDay)
DateField.register_lookup(ExtractWeekDay)
DateField.register_lookup(ExtractWeek)
DateField.register_lookup(ExtractIsoYear)
DateField.register_lookup(ExtractQuarter)
TimeField.register_lookup(ExtractHour)
TimeField.register_lookup(ExtractMinute)
TimeField.register_lookup(ExtractSecond)
DateTimeField.register_lookup(ExtractHour)
DateTimeField.register_lookup(ExtractMinute)
DateTimeField.register_lookup(ExtractSecond)