/usr/share/gforge/db/20110118-user-tooltips.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 3 | ALTER TABLE USERS ADD COLUMN tooltips INT;
ALTER TABLE USERS ALTER COLUMN tooltips SET DEFAULT 1;
UPDATE USERS set tooltips = 1;
|