[Phpmyadmin-devel] Inline JPEG transformation fails

[Alex Marin]

On Sun, Jul 1, 2012 at 2:20 PM, Marc Delisle <marc at infomarc.info> wrote:

> Le 2012-07-01 05:16, Alex Marin a écrit :
> > By permanent code do you mean that the old format will be kept in
> > pma_column_info for existing transformations and then treated
> > differently depending on a version number?
>
> By permanent code, I meant code that runs every time, instead of asking
> the phpMyAdmin installer to run a conversion script.
>

Yes, I understood that, what I meant was whether there will be some
if-else sections that treat either the old format in pma_column_info
( x_y__t.inc.php ), either the new one ( x_y_t.class.php )?
And if so, this leads to the next question.

 > What happens when a
> > user modifies an existing transformation, will the same old version
> > be used?
>
> We are not responsible for code changes in phpMyAdmin.


(I am sorry again for the misunderstanding) I meant if the user
has a table that contains old transformations on columns, and
he tries to modify that, what happens? If he has transformation 1
(x_y__transf1.inc.php) and wants to switch to transformation 2,
will that become x_y__transf2.inc.php or transf2-neutral-string
in his pma_column_info table?

To summarize, if we choose the permanent code version, will
that imply treating both cases and leaving the pma_column_info
unchanged for the users that have the old format? Otherwise,
they will have a mixture of old and new transformation entries.

The only way I see to change them all without a script, would
be to run a full update (for all of the entries) on their column_info
table every time (hopefully only the first) an old format
transformation is found and replace it with the new neutral string.

--
Alex
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