diff --git a/contrib/pgbench/pgbench.c b/contrib/pgbench/pgbench.c
index bb18c89..0002498 100644
*** a/contrib/pgbench/pgbench.c
--- b/contrib/pgbench/pgbench.c
*************** char	   *pgoptions = NULL;
*** 142,147 ****
--- 142,148 ----
  char	   *pgtty = NULL;
  char	   *login = NULL;
  char	   *dbName;
+ int			transact = 0;		/* run in single transaction */
  
  volatile bool timer_exceeded = false;	/* flag from signal handler */
  
*************** usage(const char *progname)
*** 349,354 ****
--- 350,356 ----
  		   "  -r           report average latency per command\n"
  		   "  -s NUM       report this scale factor in output\n"
  		   "  -S           perform SELECT-only transactions\n"
+ 		   "  -1           Perform in single transaction (only makes sense for -S, probably)"
  	 "  -t NUM       number of transactions each client runs (default: 10)\n"
  		   "  -T NUM       duration of benchmark test in seconds\n"
  		   "  -v           vacuum all four standard tables before tests\n"
*************** main(int argc, char **argv)
*** 1823,1829 ****
  	state = (CState *) xmalloc(sizeof(CState));
  	memset(state, 0, sizeof(CState));
  
! 	while ((c = getopt(argc, argv, "ih:nvp:dSNc:j:Crs:t:T:U:lf:D:F:M:")) != -1)
  	{
  		switch (c)
  		{
--- 1825,1831 ----
  	state = (CState *) xmalloc(sizeof(CState));
  	memset(state, 0, sizeof(CState));
  
! 	while ((c = getopt(argc, argv, "ih:nvp:dSNc:j:Crs:t:T:U:lf:D:F:M:1")) != -1)
  	{
  		switch (c)
  		{
*************** main(int argc, char **argv)
*** 1845,1850 ****
--- 1847,1855 ----
  			case 'd':
  				debug++;
  				break;
+ 			case '1':
+ 				transact = 1;
+ 				break;
  			case 'S':
  				ttype = 1;
  				break;
*************** threadRun(void *arg)
*** 2294,2299 ****
--- 2299,2309 ----
  		{
  			if ((state[i].con = doConnect()) == NULL)
  				goto done;
+ 			if (transact>0) {
+ 				executeStatement(state[i].con, "BEGIN");
+ 				//executeStatement(state[i].con, "lock table pgbench_accounts in access share mode");	
+ 				fprintf(stderr, "Started Transaction\n");
+ 			};
  		}
  	}