Hi Niels,

This thread as a lot of interesting information (thanks for the extra info 
Ami). That said, I think that to make
a decision we need a summarized description of what are the options \ 
alternatives and what are the
consequences of those choices (who will this affect users and current 
installations).

Unless I'm missing something, any upgrade on the standalone GeoFence version 
will also affect the integrated one no ?

Regards,

Nuno Oliveira


On 07/18/2017 04:03 PM, Niels Charlier wrote:
We agree now about the refactoring of the DAO, but do we definitely agree about 
which version to upgrade to?

I need to make sure everyone is on the same page before I start work.

Ami suggests upgrading the geofence modules to JDBC 4.2, but leave the 
integrated geofence to work with the older geofence modules until the hibernate 
PR for jdbc 4.2 has been merged.

Do the maintainers of the geofence modules agree with this plan?

Alternatively, I suggest we could upgrade to jdbc4 for now, since that seems to 
work with most modules in geotools/geoserver anyway.

Kind Regards
Niels

On 03-07-17 12:01, Niels Charlier wrote:
Ami,

In any case, the biggest load of the work will be rewriting the DAO's which 
needs to be done either way.

I am wondering if it wouldn't be an option to upgrade to hibernate 5.1 /jdbc4 
for now, and make a further upgrade later (which would likely require little 
work anyway).
Just a suggestion.

Kind Regards
Niels

On 02-07-17 19:01, Amiram Rahav wrote:
Taking another look at Hibernate, things might be a bit more complicated.
There is a PR to add some JDBC 4.2 type names - 
https://github.com/hibernate/hibernate-orm/pull/1940 
<https://github.com/hibernate/hibernate-orm/pull/1940>.

We will likely see some version conflict with other Geotools dependencies:
For Oracle the suggestion is to use ojdbc6/7 (JDBC 4.0/4.1), but the hibernate 
PR from above will pull in ojdbc8.
For MSSQL the suggestion is to use sqljdbc41, however I've been using JDBC 4.2 
at several clients.
mysql looks to be 4.0, however it might have limited implementation of 4.1.
H2 looks like JDBC3, it might implement JDBC 4.0, however based on the 
version/age that is probably minimal.


I still think the Geofence work should be done against JDBC 4.2 and not 4.0, 
however the Geoserver integrated GeoFence version will likely have to wait 
until that Hibernate PR is merged.



On Sun, Jul 2, 2017 at 9:20 AM, Amiram Rahav <ara...@boundlessgeo.com 
<mailto:ara...@boundlessgeo.com>> wrote:

    I should have said Postgres :-)



    On Sun, Jul 2, 2017 at 9:15 AM Andrea Aime
    <andrea.a...@geo-solutions.it
<mailto:andrea.a...@geo-solutions.it>> wrote:

        On Sun, Jul 2, 2017 at 3:04 PM, Amiram Rahav
        <ara...@boundlessgeo.com <mailto:ara...@boundlessgeo.com>> wrote:

            Hi Niels,

            Geotools is already using JDBC 4.2


        Is GeoTools using JDBC 4.2 for all databases already, did you
        check?
        Using hibernate is partly about database independence, I know
        that the postgis store
        was recently updated, what about the others? (oracle,
        sqlserver, mysql, H2, ...)

        Cheer
        Andrea

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Regards,
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for more information.
==

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sistema. Conservare il messaggio stesso, divulgarlo anche in parte, 
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