yeah, what rob said. let's kill them but follow the correct api deprecation
process to avoid any "surprises".

jeremy

On Mon, Jun 28, 2021 at 10:02 PM Robert O Butts <r...@apache.org> wrote:

> I'm +1 on getting rid of those fields, but unfortunately we need to support
> them in older APIs. People have scripts that rely on them, and parse magic
> data they've put in those fields.
>
> We can remove the field from the API in newer major versions. But we need
> to somehow still serve it in the existing API versions (which will need
> supported for at least 1 major ATC version after the deprecation is
> announced).
>
> I agree, they're terrible and need removed. But I know for a fact there are
> people putting arbitrary data in them in Production systems, which they
> parse with custom scripts hitting the API. Even if we didn't know that for
> sure, we still need to follow the Deprecation/removal process, to avoid
> breaking users who don't necessarily follow the mailing lists closely.
>
> So, ATC 6.0 is about to be released, which introduces API 4.0. If we remove
> `longDesc2` and `longDesc3` from API 4.0 and declare API 3.x deprecated in
> ATC 6.0, we can remove API 3.x and older in ATC 7.0. Which will allow us to
> delete the database fields in ATC 7.0.
>
> If we actually delete the database fields, we need to stop serving API 3.x
> and older. We historically haven't removed API versions as often as we
> could, mostly because it's painful to users. But serving a half-baked API
> will cause all kinds of subtle bugs and data loss. If we delete the DB
> field, we need to actually stop serving /api/3.x.
>
> > copy over all the data in the existing LD1 and LD2 fields, and append it
> to the LD field, and drop the LD! And LD2 fields from the table.
>
> I'm not so sure about this, though. If someone has a specific format,
> key-value, JSON, etc, just joining the fields is going to break their
> scripts. It might be better to make the upgrade fail if the field isn't
> empty, requiring users to handle and move or delete the data themselves
> before upgrading.
>
>
> On Mon, Jun 28, 2021 at 3:56 PM Chatterjee, Srijeet
> <srijeet_chatter...@comcast.com.invalid> wrote:
>
> > Hi all,
> > I’m proposing a change to the DeliveryService structure and database
> > table, to remove the “Long Description 1” and “Long Description 2”
> fields.
> > These fields are seldom used, and can be replaced by the already existing
> > “Long Description” field. In my migration, I’m planning to copy over all
> > the data in the existing LD1 and LD2 fields, and append it to the LD
> field,
> > and drop the LD! And LD2 fields from the table. Pls let me know if you
> have
> > concerns with this change, or if you have a better way of doing this.
> >
> > Thanks,
> > Srijeet
> >
>

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