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Commit46d9c2e

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Change the delta val from 0 and 10000 to -5000 and 5000 per recent
discussion in hackers list. Also enhance predefined benchmarkscenarios to reflect the scaling factor parameter flexibly.
1 parent51175d1 commit46d9c2e

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1 file changed

+25
-30
lines changed

1 file changed

+25
-30
lines changed

‎contrib/pgbench/pgbench.c‎

Lines changed: 25 additions & 30 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
/*
2-
* $PostgreSQL: pgsql/contrib/pgbench/pgbench.c,v 1.50 2006/07/26 07:24:50 ishii Exp $
2+
* $PostgreSQL: pgsql/contrib/pgbench/pgbench.c,v 1.51 2006/07/28 22:58:26 ishii Exp $
33
*
44
* pgbench: a simple benchmark program for PostgreSQL
55
* written by Tatsuo Ishii
@@ -134,10 +134,13 @@ intnum_files;/* its number */
134134

135135
/* default scenario */
136136
staticchar*tpc_b= {
137-
"\\setrandom aid 1 100000\n"
138-
"\\setrandom bid 1 1\n"
139-
"\\setrandom tid 1 10\n"
140-
"\\setrandom delta 1 10000\n"
137+
"\\set nbranches :tps\n"
138+
"\\set ntellers 10 * :tps\n"
139+
"\\set naccounts 100000 * :tps\n"
140+
"\\setrandom aid 1 :naccounts\n"
141+
"\\setrandom bid 1 :nbranches\n"
142+
"\\setrandom tid 1 :ntellers\n"
143+
"\\setrandom delta -5000 5000\n"
141144
"BEGIN;\n"
142145
"UPDATE accounts SET abalance = abalance + :delta WHERE aid = :aid;\n"
143146
"SELECT abalance FROM accounts WHERE aid = :aid;\n"
@@ -149,10 +152,13 @@ static char *tpc_b = {
149152

150153
/* -N case */
151154
staticchar*simple_update= {
152-
"\\setrandom aid 1 100000\n"
153-
"\\setrandom bid 1 1\n"
154-
"\\setrandom tid 1 10\n"
155-
"\\setrandom delta 1 10000\n"
155+
"\\set nbranches :tps\n"
156+
"\\set ntellers 10 * :tps\n"
157+
"\\set naccounts 100000 * :tps\n"
158+
"\\setrandom aid 1 :naccounts\n"
159+
"\\setrandom bid 1 :nbranches\n"
160+
"\\setrandom tid 1 :ntellers\n"
161+
"\\setrandom delta -5000 5000\n"
156162
"BEGIN;\n"
157163
"UPDATE accounts SET abalance = abalance + :delta WHERE aid = :aid;\n"
158164
"SELECT abalance FROM accounts WHERE aid = :aid;\n"
@@ -162,7 +168,8 @@ static char *simple_update = {
162168

163169
/* -S case */
164170
staticchar*select_only= {
165-
"\\setrandom aid 1 100000\n"
171+
"\\set naccounts 100000 * :tps\n"
172+
"\\setrandom aid 1 :naccounts\n"
166173
"SELECT abalance FROM accounts WHERE aid = :aid;\n"
167174
};
168175

@@ -570,12 +577,14 @@ doCustom(CState * state, int n, int debug)
570577
else
571578
min=atoi(argv[2]);
572579

580+
#ifdefNOT_USED
573581
if (min<0)
574582
{
575583
fprintf(stderr,"%s: invalid minimum number %d\n",argv[0],min);
576584
st->ecnt++;
577585
return;
578586
}
587+
#endif
579588

580589
if (*argv[3]==':')
581590
{
@@ -597,6 +606,9 @@ doCustom(CState * state, int n, int debug)
597606
return;
598607
}
599608

609+
#ifdefDEBUG
610+
printf("min: %d max: %d random: %d\n",min,max,getrand(min,max));
611+
#endif
600612
snprintf(res,sizeof(res),"%d",getrand(min,max));
601613

602614
if (putVariable(st,argv[1],res)== false)
@@ -1477,38 +1489,21 @@ main(int argc, char **argv)
14771489
/* process bultin SQL scripts */
14781490
switch (ttype)
14791491
{
1480-
charbuf[128];
1481-
14821492
case0:
14831493
sql_files[0]=process_builtin(tpc_b);
1484-
snprintf(buf,sizeof(buf),"%d",100000*tps);
1485-
sql_files[0][0]->argv[3]=strdup(buf);
1486-
snprintf(buf,sizeof(buf),"%d",1*tps);
1487-
sql_files[0][1]->argv[3]=strdup(buf);
1488-
snprintf(buf,sizeof(buf),"%d",10*tps);
1489-
sql_files[0][2]->argv[3]=strdup(buf);
1490-
snprintf(buf,sizeof(buf),"%d",10000*tps);
1491-
sql_files[0][3]->argv[3]=strdup(buf);
14921494
num_files=1;
14931495
break;
1496+
14941497
case1:
14951498
sql_files[0]=process_builtin(select_only);
1496-
snprintf(buf,sizeof(buf),"%d",100000*tps);
1497-
sql_files[0][0]->argv[3]=strdup(buf);
14981499
num_files=1;
14991500
break;
1501+
15001502
case2:
15011503
sql_files[0]=process_builtin(simple_update);
1502-
snprintf(buf,sizeof(buf),"%d",100000*tps);
1503-
sql_files[0][0]->argv[3]=strdup(buf);
1504-
snprintf(buf,sizeof(buf),"%d",1*tps);
1505-
sql_files[0][1]->argv[3]=strdup(buf);
1506-
snprintf(buf,sizeof(buf),"%d",10*tps);
1507-
sql_files[0][2]->argv[3]=strdup(buf);
1508-
snprintf(buf,sizeof(buf),"%d",10000*tps);
1509-
sql_files[0][3]->argv[3]=strdup(buf);
15101504
num_files=1;
15111505
break;
1506+
15121507
default:
15131508
break;
15141509
}

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