Tatsuo Ishii <ishii@sraoss.co.jp> writes:
> While populating pgbench_account table by using COPY FROM STDIN,
> pgbench sends out "\." at the end of the copy data. However this is
> only necessary in the version 2 of frontend/backend protocol (i.e. the
> version 3 protocol does not need it). I think we can safely remove the
> code to save a few CPU cycle since we only support back to PostgreSQL
> 9.3 and the version 3 protocol has been supported since 7.4.
What exactly is the benefit of breaking compatibility with old servers?
Saving a few cycles during initial table population seems like it could
not be of interest to anyone.
regards, tom lane