> On 25 Jan 2019, at 18:54, Niklas B <niklas.bivald@enplore.com> wrote:
>
> Hi,
>
> I'm upgrading from an old MonetDB (11.26.0 source snapshot) to the latest proper release. However, my Python aggregate functions appear to have stopped working (Program contains errors.:(NONE).multiplex):
>
> Running mserver5 with:
> /usr/local/bin/mserver5 --daemon=yes --set embedded_py=true  --dbpath=/data/monetdb-farm/ --set gdk_nr_threads=1 --set max_clients=6
>
> Reproduce with:
> CREATE FUNCTION test_udf("conum" int) RETURNS STRING LANGUAGE PYTHON3 {{
> }};
>
> Create table test("id" uuid, "date" DATE, "number" INT);
>
> select test_udf("number") from test;
>
> Gives:
> Program contains errors.:(NONE).multiplex
>
> I'm running it via Docker (stock Debian) with only MonetDB installed via apt-get.
>
> Not sure if this is connected: https://www.monetdb.org/bugzilla/show_bug.cgi?id=6378

Hai,

Not sure if your problem is already solved, but afaik, your problem is related to this bug.  The error message actually means that MonetDB is not able to find the python library, so it isn’t able to execute your python UDF.

Regards,
Jennie

>
> Anyone having any similar issues?
>
> Tried compiling from source (April 2019 bransch) as well, no luck
>
> Regards,
> Niklas
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