/usr/share/postgresql/10/extension/plproxy--2.7.0--2.8.0.sql is in postgresql-10-plproxy 2.8-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | CREATE FUNCTION plproxy_validator (oid)
RETURNS void AS 'plproxy' LANGUAGE C;
CREATE OR REPLACE LANGUAGE plproxy HANDLER plproxy_call_handler VALIDATOR plproxy_validator;
|