21 questions
0votes
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32views
How to normally output a path containing non-English characters in Popen
it's my function code ~~~~sql DO $$ from subprocess import PIPE,Popen import os import sys env = os.environ.copy() reload(sys) sys.setdefaultencoding('utf-8') plpy.notice(sys....
0votes
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131views
python function for plpython3u
I have a python function that works perfectly, but I need to pass it to plpython3u (don't ask me why, juniors only obey) python function: import cryptography.hazmat.primitives.serialization.pkcs12 ...
0votes
0answers
237views
how to download modules to use with plpython postgresql
I'm trying to use plpython3u with postgresql on windows 11, and I want to use the requests library to make http requests.. So I did this test function: CREATE OR REPLACE FUNCTION teste() ...
0votes
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288views
ERROR: could not load library plpython3u postgresql
I'm trying to install the plpython3u extension in my postgresql with this command: CREATE EXTENSION plpython3u; mas eu recebo este erro: ERROR: could not load library "C:/Program Files/PostgreSQL/...
1vote
0answers
73views
plpython3u anaconda environment
I am trying to use an anaconda environment inside my plpython3u function in postgres 15. Here is what I tried so far: DROP FUNCTION use_anaconda_env(); CREATE OR REPLACE FUNCTION use_anaconda_env() ...
2votes
1answer
193views
problem to access of the properties of an edge when using plpython3u in PostgreSQL to create functions
I implement python function for for the following query and i get correct answer, but when i try to create functions in postgreSQL by using plpython3u extension, it doesn't have any error but still ...
0votes
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41views
Using dask delayed function from within postgresql plpython with "plpy.execute"
The below example demonstrates using dask delayed funtions (ref) from within postgres plpython while using "plpy.execute" (ref) to query the database. It returns an error: ERROR: ...
0votes
1answer
105views
plpython3: can a function return a 'class' or 'generator' object to a query
I am running a docker container with a postgres image. The image includes python3, pandas, and networkx. The combination allows me to construct a graph from the db data all within the postgres ...
0votes
0answers
491views
Error while running plpython function in postgresql
I have Postgresql 12.8.1 version and python 3.7.6 version installed on my system. I want to create a trigger function using plpython so I created plpython3 extension using CREATE EXTENSION plpython3u ....
1vote
1answer
383views
PostgreSQL: PL/Python function not taking ARRAY input parameter
Objective: Creating a full text search engine using PostgreSQL FTS. Populating tsvector: I have a tsvector column. To populate tsvector column, I am executing a trigger which calls a procedure which ...
1vote
1answer
1kviews
Cannot install plpython for postgres 12
First off , my question is posted after reading many other questions like this one Install PL/Python on Windows for PostgreSQL 12 and various trials of previous methods and comments. But I ve been ...
6votes
1answer
742views
Can python venv be used with plpython3u for postgresql?
I would like plpython3u to use a virtual environment for python. I have seen some (old and not particularly clear) instructions for virtualenv at PostgreSQL PL/Python: call stored procedure in ...
3votes
4answers
7kviews
Install PL/Python on Windows for PostgreSQL 12
I've been working on FHIR for a project and we are using PostgreSQL as a database. While reading docs, I've come to know about PL/Python and decided to give it a shot but I am unable to install the ...
0votes
0answers
260views
two dimensional arrays not supported in postgresql 9x
Following is the Pl/Python function return 2D array: CREATE FUNCTION return_multidim_py_array(x int4[]) RETURNS int4[] AS $$ plpy.info(x, type(x)) return x $$ LANGUAGE plpythonu; SELECT * ...
1vote
0answers
144views
PL/Python is not able to access system variables (LD_LIBRARY_PATH)
I've been trying to create some custom functions in postgresql using PL/Python. However some python libraries import fail because PL/Python has no access to the LD_LIBRARY_PATH variable: CREATE OR ...