On Mon, Oct 4, 2021, at 9:49 PM, niuji...@gmail.com wrote:
> I have the following validator:
>
> @sa_orm.validates('variant_names', include_removes=True)
> def validate_unique_identifying(self, key, name_dict,
> is_remove):
> if is_remove:
> raise ValueError("DOn't")
> else:
> if name_dict.is_primary_identifying_flag is None:
> name_dict.is_primary_identifying_flag = False
> return name_dict
>
>
> When deleting, I get the raised ValueError, but the deletion occured anyway.
> Is this the expected behaviour?
not as of SQLAlchemy 1.3, nope. valueerror will prevent removal from a
collection assuming you are using list.remove() or set.remove(). may not work
for pop().
>
> Or there is some other settings that can prevent the deletion?
>
>
> --
> 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
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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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