PostgreSQL 9.5.4 on x86_64-pc-linux-gnu, compiled by gcc (Debian 4.9.2-10) 4.9.2, 64-bit
(postgrespro)

CREATE EXTENSION pg_pathman SCHEMA pathman;

select pathman.disable_partitioning('main.participant')
->
ERROR: relation "pathman_config" does not exist
СТРОКА 1: SELECT parttype FROM pathman_config WHERE relname = relation