The following bug has been logged on the website:
Bug reference: 13452
Logged by: digoal
Email address: digoal(at)126(dot)com
PostgreSQL version: Unsupported/Unknown
Operating system: CentOS 6.x x64
Description:
An problem in 9.5dev Document.
http://www.postgresql.org/docs/devel/static/pgbench.html
\set aid (1021 * :aid) % (100000 * :scale) + 1
-- aid undefined~
Regards,
Digoal