/usr/share/gforge/db/20111214-docman-doc_groups-created_by.sql is in gforge-db-postgresql 5.3.2+20141104-3+deb8u3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | alter table doc_groups add column created_by integer DEFAULT 0 NOT NULL;
update doc_groups set created_by = 100;
|