On Thu, Mar 3, 2016 at 12:35 PM, Adrian Klaver <adrian.kla...@aklaver.com>
wrote:

> On 03/03/2016 10:09 AM, Rémi Cura wrote:
>
>> Hey List,
>>
>> would it be considered safe to use plpythonu for a production database?
>> What would be the limitations/ dangers?
>>
>
> They are explained here:
>
> http://www.postgresql.org/docs/9.5/interactive/plpython.html
>
> "PL/Python is only available as an "untrusted" language, meaning it does
> not offer any way of restricting what users can do in it and is therefore
> named plpythonu. A trusted variant plpython might become available in the
> future if a secure execution mechanism is developed in Python. The writer
> of a function in untrusted PL/Python must take care that the function
> cannot be used to do anything unwanted, since it will be able to do
> anything that could be done by a user logged in as the database
> administrator. Only superusers can create functions in untrusted languages
> such as plpythonu."
>

​See also:

http://www.postgresql.org/docs/9.5/interactive/sql-grant.html

GRANT { USAGE | ALL [ PRIVILEGES ] }
    ON LANGUAGE lang_name [, ...]
    TO role_specification [, ...] [ WITH GRANT OPTION ]

​and

​GRANT { EXECUTE | ALL [ PRIVILEGES ] }
    ON { FUNCTION function_name ( [ [ argmode ] [ arg_name ] arg_type [,
...] ] ) [, ...]
         | ALL FUNCTIONS IN SCHEMA schema_name [, ...] }
    TO role_specification [, ...] [ WITH GRANT OPTION ]

David J.

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