Re: Is there any way to invoke Java API from PostgreSQL

Steve Midgley <science@misuse.org>

From: Steve Midgley <science@misuse.org>
To: aditya desai <admad123@gmail.com>
Cc: Erik Brandsberg <erik@heimdalldata.com>, pgsql-sql <pgsql-sql@lists.postgresql.org>
Date: 2021-08-13T16:39:51Z
Lists: pgsql-sql
On Thu, Aug 12, 2021 at 9:43 PM aditya desai <admad123@gmail.com> wrote:

> Hi Erik,
> Sincere apologies. Maybe  I wasn't clear. We need to transfer data between
> Azure PostgreSQL to On Prem Open Source PostgreSQL and Azure PostgreSQL to
> on Prem Oracle. Azure PostgreSQL is not allowing outgoing traffic through
> DB Links outside the same region. That's where we are looking for API-like
> solutions.
>
> Regards,
> Aditya.
>
> On Fri, Aug 13, 2021 at 10:02 AM Erik Brandsberg <erik@heimdalldata.com>
> wrote:
>
>> Honestly, what you are saying is that you aren't allowed to use a
>> firecracker due to fire concerns, but is there a way to use dynamite
>> instead.  If fdw isn't allowed, then callouts to other language
>> environments shouldn't be allowed either.
>>
>> On Fri, Aug 13, 2021 at 12:28 AM aditya desai <admad123@gmail.com> wrote:
>>
>>> Hi,
>>> Is there any way to invoke Java API from PostgreSQL? We need to transfer
>>> data between PostgreSQL and Oracle and oracle_fdw is not allowed due to
>>> security concerns in the environment. Also one of PostgresQL in Azure
>>> PostgreSQL and others are open source on prem.
>>>
>>>
>>>
Why not use PG replicate to a server that you do control (that might be
Erik's "bastion" suggestion), or pg_dump/restore to a similar server, and
then execute the business logic and ETL over to Oracle from there?