Minor patch on pgbench

1. -i option should run vacuum analyze only on pgbench tables, not *all*
tables in database.

2. pre-run cleanup step was DELETE FROM HISTORY then VACUUM HISTORY.
This is just a slow version of TRUNCATE HISTORY.

Simon Riggs

Author: bmomjian

contrib/pgbench/pgbench.c

@@ -4,7 +4,7 @@
  * A simple benchmark program for PostgreSQL
  * Originally written by Tatsuo Ishii and enhanced by many contributors.
  *
- * $PostgreSQL: pgsql/contrib/pgbench/pgbench.c,v 1.80 2008/05/09 15:53:07 tgl Exp $
+ * $PostgreSQL: pgsql/contrib/pgbench/pgbench.c,v 1.81 2008/08/22 17:57:34 momjian Exp $
  * Copyright (c) 2000-2008, PostgreSQL Global Development Group
  * ALL RIGHTS RESERVED;
  *
@@ -1080,7 +1080,10 @@ init(void)
 
 	/* vacuum */
 	fprintf(stderr, "vacuum...");
-	executeStatement(con, "vacuum analyze");
+	executeStatement(con, "vacuum analyze branches");
+	executeStatement(con, "vacuum analyze tellers");
+	executeStatement(con, "vacuum analyze accounts");
+	executeStatement(con, "vacuum analyze history");
 
 	fprintf(stderr, "done.\n");
 	PQfinish(con);
@@ -1757,8 +1760,7 @@ main(int argc, char **argv)
 		fprintf(stderr, "starting vacuum...");
 		executeStatement(con, "vacuum branches");
 		executeStatement(con, "vacuum tellers");
-		executeStatement(con, "delete from history");
-		executeStatement(con, "vacuum history");
+		executeStatement(con, "truncate history");
 		fprintf(stderr, "end.\n");
 
 		if (do_vacuum_accounts)

src/backend/utils/adt/formatting.c

@@ -1,7 +1,7 @@
 /* -----------------------------------------------------------------------
  * formatting.c
  *
- * $PostgreSQL: pgsql/src/backend/utils/adt/formatting.c,v 1.145 2008/07/12 00:44:37 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/formatting.c,v 1.146 2008/08/22 17:57:34 momjian Exp $
  *
  *
  *	 Portions Copyright (c) 1999-2008, PostgreSQL Global Development Group
@@ -3197,9 +3197,7 @@ do_to_timestamp(text *date_txt, text *fmt,
 		 * ISO week (Monday).
 		 */
 		if (tmfc.d)
-		{
 			isoweekdate2date(tmfc.iw, tmfc.d, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
-		}
 		else
 			isoweek2date(tmfc.iw, &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
 	}