[hibernate-dev] hibernate.hbm2ddl.auto = none

[Vlad Mihalcea]

Sounds like a good idea. We can have a value of 'none' which can be used to
easily make the switch from an external property during build. for instance.

+1

Vlad

On Mon, Mar 21, 2016 at 4:43 PM, Sanne Grinovero <sanne at hibernate.org>
wrote:

> Hello all,
> I've often used, and see others use, the value "none" for the property
> hibernate.hbm2ddl.auto.
>
> In recent versions of Hibernate ORM I now get the following warning:
>
> [WARN] SessionFactoryBuilderImpl: Unrecognized hbm2ddl_auto value :
> none.  Supported values include create, create-drop, update, and
> validate.  Ignoring
>
> To my surprise, the warning is not a bug as there's not such thing as
> "none" in the source code, nor could I find mention of it in older
> versions of the documentation... so I'm not sure were I learned about
> it but I've always found it to be quite handy as in many scripts using
> properties, it's easy to give a value to a placeholder but it's not as
> easy to not define a property at all.
>
> My guess is that "none" simply worked fine in practice on older
> versions as it's not matching any of the actionable values, but now we
> get this WARN which sounds concerning.
>
> Could we add "none" as an officially valid value for this property?
>
> Thanks,
> Sanne
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