def contribute_to_class(self, cls, name):
# HACK: remove annoying descriptor (don't super())
RelatedField.contribute_to_class(self, cls, name)
template = '%(expressions)s'
arg_joiner = ' - '
arity = 2
def __init__(self, start, end):
super(DateDiff, self).__init__(start, end)
def as_microsoft(self, compiler, connection):
self.template = 'cast(DateDiff(day,%(expressions)s) as float)* -1 *24*60*60*1000.0*1000.0' # Convert to microseconds as used by Django DurationField'
self.arg_joiner = ', '
return super(DateDiff, self).as_sql(compiler, connection)
def as_sql(self, compiler, connection, function=None, template=None):
if connection.vendor is 'microsoft':
return self.as_microsoft(compiler, connection)
return super(DateDiff, self).as_sql(compiler, connection)
class NotEqual(Lookup):
lookup_name = 'ne'
def as_sql(self, qn, connection):
lhs, lhs_params = self.process_lhs(qn, connection)
rhs, rhs_params = self.process_rhs(qn, connection)
params = lhs_params + rhs_params
return '%s != %s' % (lhs, rhs), params
Field.register_lookup(NotEqual)
RelatedField.register_lookup(NotEqual)
ForeignObject.register_lookup(NotEqual)
ManyToManyField.register_lookup(NotEqual)
def contribute_to_class(self, cls, name):
# HACK: remove annoying descriptor (don't super())
RelatedField.contribute_to_class(self, cls, name)
arity = 2
def __init__(self, start, end):
super(DateDiff, self).__init__(start, end)
def as_microsoft(self, compiler, connection):
self.template = 'cast(DateDiff(day,%(expressions)s) as float)* -1 *24*60*60*1000.0*1000.0' # Convert to microseconds as used by Django DurationField'
self.arg_joiner = ', '
return super(DateDiff, self).as_sql(compiler, connection)
def as_sql(self, compiler, connection, function=None, template=None):
if connection.vendor is 'microsoft':
return self.as_microsoft(compiler, connection)
return super(DateDiff, self).as_sql(compiler, connection)
class NotEqual(Lookup):
lookup_name = 'ne'
def as_sql(self, qn, connection):
lhs, lhs_params = self.process_lhs(qn, connection)
rhs, rhs_params = self.process_rhs(qn, connection)
params = lhs_params + rhs_params
return '%s != %s' % (lhs, rhs), params
Field.register_lookup(NotEqual)
RelatedField.register_lookup(NotEqual)
ForeignObject.register_lookup(NotEqual)
ManyToManyField.register_lookup(NotEqual)
