A JIRA is started to track this: https://issues.apache.org/jira/browse/HAWQ-982
Thanks Lei On Fri, Aug 5, 2016 at 4:38 PM, Dominik Choma <[email protected]> wrote: > > Hi, > > > my code below: > > CREATE OR REPLACE FUNCTION dchoma.connection_test( ) RETURNS text AS > $$ > import psycopg2 > > try: > conn = psycopg2.connect("dbname='database_name' user='user' > host='remote_host' password='pass' port=5432") > return "Connection successful " > except Exception , msg : > return "Exception: {m}".format(m=msg) > $$ > LANGUAGE 'plpythonu' VOLATILE; > > select * from dchoma.connection_test(); > > > HAWQ version 2.0.1.0 build dev ( compiled from github) > Remote database version: PostgreSQL 9.2.15 on x86_64-redhat-linux-gnu, > compiled by gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-4), 64-bit > OS: CentOS 7-1511 > > i found similar issiue here, but the problem is not solved. > https://discuss.zendesk.com/hc/en-us/community/posts/ > 200793368-greenplum-dblink-postgresql-remote-is-error > > Thanks > > Dominik > > 2016-08-05 2:23 GMT+02:00 Lei Chang <[email protected]>: > >> >> Hi Dominik, >> >> Can you shared your code for us to reproduce the issue? >> >> Thanks >> Lei >> >> >> On Thu, Aug 4, 2016 at 10:11 PM, Dominik Choma <[email protected]> >> wrote: >> >>> Hi All, >>> >>> For one use case I want to connect to external postgreSQL database from >>> HAWQ PL/Python procedure. >>> I use python psycopg2 library. >>> Remote postgreSQL server reject connecion from HAWQ with >>> this error : FATAL unsupported frontend protocol 28675.0: server >>> supports 1.0 to 3.0. >>> The same python code is running well from OS level. >>> >>> I wonder if it is HAWQ or PostgreSQL PL/Python interpreter related >>> issiue. >>> Any help or pointers would be great. >>> >>> Dominik >>> >> >> >
