[PATCHES] pgbench minor fixes

[Simon Riggs]

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           www.2ndQuadrant.com
 PostgreSQL Training, Services and Support

Index: contrib/pgbench/pgbench.c
===================================================================
RCS file: /home/sriggs/pg/REPOSITORY/pgsql/contrib/pgbench/pgbench.c,v
retrieving revision 1.80
diff -c -r1.80 pgbench.c
*** contrib/pgbench/pgbench.c	9 May 2008 15:53:07 -0000	1.80
--- contrib/pgbench/pgbench.c	5 Jul 2008 12:58:09 -0000
***************
*** 1080,1086 ****
  
  	/* vacuum */
  	fprintf(stderr, "vacuum...");
! 	executeStatement(con, "vacuum analyze");
  
  	fprintf(stderr, "done.\n");
  	PQfinish(con);
--- 1080,1089 ----
  
  	/* vacuum */
  	fprintf(stderr, "vacuum...");
! 	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);
***************
*** 1757,1764 ****
  		fprintf(stderr, "starting vacuum...");
  		executeStatement(con, "vacuum branches");
  		executeStatement(con, "vacuum tellers");
! 		executeStatement(con, "delete from history");
! 		executeStatement(con, "vacuum history");
  		fprintf(stderr, "end.\n");
  
  		if (do_vacuum_accounts)
--- 1760,1766 ----
  		fprintf(stderr, "starting vacuum...");
  		executeStatement(con, "vacuum branches");
  		executeStatement(con, "vacuum tellers");
! 		executeStatement(con, "truncate history");
  		fprintf(stderr, "end.\n");
  
  		if (do_vacuum_accounts)

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