Tatsuo Ishii <is...@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