/usr/share/gocode/src/github.com/lib/pq/oid/doc.go is in golang-github-lib-pq-dev 0.0~git20151007.0.ffe986a-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 5 6 | // Package oid contains OID constants
// as defined by the Postgres server.
package oid
// Oid is a Postgres Object ID.
type Oid uint32
|