DELETEs are always by primary key, and you'll want to set up the
cascade="all,delete-orphan" and youll need single_parent=True also.
On Thu, Apr 4, 2019 at 11:55 AM Kent wrote:
>
> Will
>
> a.b1 = None
>
>
> issue a delete statement that also contains the WHERE clause to make that
> safe? (Or, is the delete always by primary key anyway?)
>
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SQLAlchemy -
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http://www.sqlalchemy.org/
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