pgsql: Suppress bogus statistics when pgbench failed to complete any tr

Suppress bogus statistics when pgbench failed to complete any transactions.

Code added in 9.4 would attempt to divide by zero in such cases.
Noted while testing fix for missing-pclose problem.

Branch
------
REL9_4_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/f2a3cdb6dbe4984c7b5461ed4ece789eab2faf4a

Modified Files
--------------
contrib/pgbench/pgbench.c | 4 ++++
1 file changed, 4 insertions(+)

--
Sent via pgsql-committers mailing list (pgsql-committers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-committers