Hi
I'm using latest sqlalchemy with an Oracle db backend.
I have a Date column which presents a *Gregorian date* in db. but i want to
query my table by a *Jalali date*.
So the hybrid_property to convert gregorian date into jalali date should be
like this, i think:
@hybrid_property
def jalali_date(self):
return jdatetime.date.fromgregorian(year=self.input_date.year,
month=self.input_date,
day=self.input_date.day)
i've tried different ways, but all of them ends with errors like:
AttributeError: Neither 'InstrumentedAttribute' object nor 'Comparator'
object associated with MeasureData.input_date has an attribute 'year'
or
TypeError: an integer is required (got type InstrumentedAttribute)
So i guess i have to get access to *instance value* of
*MeasureDate.input_date* at hybrid_property definition, but How?
Do i have to completely change my approach?
Thanks.
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