thiis is what synonym is designed for see
https://docs.sqlalchemy.org/en/latest/orm/mapped_attributes.html?highlight=synonym#synonyms
note the column itself you can retain its name by specifying it as the
first argument like:
_status = Column("status", ...)
On Thu, Jan 24, 2019 at 6:15 PM Daniel Leon <[email protected]> wrote:
>
> For some columns I want to process it a bit before getting or setting it. For
> example, I have a column Status, but have to call it _Status to avoid name
> conflict with its property.
>
> class Task(Base):
> _Status = Column('Status')
>
> @property
> def Status(self):
> return f(self._Status)
>
> @Status.setter
> def Status(self, value):
> self._Status = value
>
> Now whenever I write a query involving Status I must remember to use _Status.
> If I accidentally use Status in a query, it adds WHERE 0 = 1, thus returning
> nothing, so it fails and I don't know why.
>
> I'm converting from SQLObject where you can call the column Status and define
> getter and setter by defining functions _get_Status and _set_Status. When I
> access Status in a query SQLObject knows to use the Column and outside a
> query it uses _get_Status.
>
> How can I get this behaviour with SQLObject?
>
> --
> SQLAlchemy -
> The Python SQL Toolkit and Object Relational Mapper
>
> http://www.sqlalchemy.org/
>
> To post example code, please provide an MCVE: Minimal, Complete, and
> Verifiable Example. See http://stackoverflow.com/help/mcve for a full
> description.
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--
SQLAlchemy -
The Python SQL Toolkit and Object Relational Mapper
http://www.sqlalchemy.org/
To post example code, please provide an MCVE: Minimal, Complete, and Verifiable
Example. See http://stackoverflow.com/help/mcve for a full description.
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