pgbench: Fix order in --help output

The new option --progress-timestamp was just added at the end.  Put it
in alphabetical order.

diff --git a/src/bin/pgbench/pgbench.c b/src/bin/pgbench/pgbench.c
index f3c1a0e41598e74d2171150d05a7bf7c63df6e09..ecf359387d4cfccecddcd0da7793df7727b92626 100644 (file)
--- a/src/bin/pgbench/pgbench.c
+++ b/src/bin/pgbench/pgbench.c
@@ -438,8 +438,8 @@ usage(void)
         "  -T, --time=NUM           duration of benchmark test in seconds\n"
           "  -v, --vacuum-all         vacuum all four standard tables before tests\n"
           "  --aggregate-interval=NUM aggregate data over NUM seconds\n"
-          "  --sampling-rate=NUM      fraction of transactions to log (e.g. 0.01 for 1%%)\n"
        "  --progress-timestamp     use Unix epoch timestamps for progress\n"
+          "  --sampling-rate=NUM      fraction of transactions to log (e.g., 0.01 for 1%%)\n"
           "\nCommon options:\n"
           "  -d, --debug              print debugging output\n"
      "  -h, --host=HOSTNAME      database server host or socket directory\n"