/*
- * $PostgreSQL: pgsql/contrib/pgbench/pgbench.c,v 1.62 2007/03/13 09:06:35 mha Exp $
+ * $PostgreSQL: pgsql/contrib/pgbench/pgbench.c,v 1.63 2007/04/06 08:49:44 ishii Exp $
*
* pgbench: a simple benchmark program for PostgreSQL
* written by Tatsuo Ishii
return min + (int) (((max - min) * (double) random()) / MAX_RANDOM_VALUE + 0.5);
}
+/* call PQexec() and exit() on failure */
+static void
+executeStatement(PGconn *con, const char* sql)
+{
+ PGresult *res;
+
+ res = PQexec(con, sql);
+ if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ {
+ fprintf(stderr, "%s", PQerrorMessage(con));
+ exit(1);
+ }
+ PQclear(res);
+}
+
/* set up a connection to the backend */
static PGconn *
doConnect(void)
{
PGconn *con;
- PGresult *res;
con = PQsetdbLogin(pghost, pgport, pgoptions, pgtty, dbName,
login, pwd);
return (NULL);
}
- res = PQexec(con, "SET search_path = public");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
+ executeStatement(con, "SET search_path = public");
return (con);
}
PGconn *con;
PGresult *res;
static char *DDLs[] = {
- "drop table branches",
+ "drop table if exists branches",
"create table branches(bid int not null,bbalance int,filler char(88))",
- "drop table tellers",
+ "drop table if exists tellers",
"create table tellers(tid int not null,bid int,tbalance int,filler char(84))",
- "drop table accounts",
+ "drop table if exists accounts",
"create table accounts(aid int not null,bid int,abalance int,filler char(84))",
- "drop table history",
- "create table history(tid int,bid int,aid int,delta int,mtime timestamp,filler char(22))"};
+ "drop table if exists history",
+ "create table history(tid int,bid int,aid int,delta int,mtime timestamp,filler char(22))"};
static char *DDLAFTERs[] = {
"alter table branches add primary key (bid)",
"alter table tellers add primary key (tid)",
- "alter table accounts add primary key (aid)"};
+ "alter table accounts add primary key (aid)"};
char sql[256];
if ((con = doConnect()) == NULL)
exit(1);
- for (i = 0; i < (sizeof(DDLs) / sizeof(char *)); i++)
- {
- res = PQexec(con, DDLs[i]);
- if (strncmp(DDLs[i], "drop", 4) && PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
- }
+ for (i = 0; i < lengthof(DDLs); i++)
+ executeStatement(con, DDLs[i]);
- res = PQexec(con, "begin");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
+ executeStatement(con, "begin");
for (i = 0; i < nbranches * scale; i++)
{
snprintf(sql, 256, "insert into branches(bid,bbalance) values(%d,0)", i + 1);
- res = PQexec(con, sql);
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
+ executeStatement(con, sql);
}
for (i = 0; i < ntellers * scale; i++)
{
snprintf(sql, 256, "insert into tellers(tid,bid,tbalance) values (%d,%d,0)"
,i + 1, i / ntellers + 1);
- res = PQexec(con, sql);
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
+ executeStatement(con, sql);
}
- res = PQexec(con, "end");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ executeStatement(con, "commit");
+
+ /*
+ * fill the accounts table with some data
+ */
+ fprintf(stderr, "creating tables...\n");
+
+ executeStatement(con, "begin");
+ executeStatement(con, "truncate accounts");
+
+ res = PQexec(con, "copy accounts from stdin");
+ if (PQresultStatus(res) != PGRES_COPY_IN)
{
fprintf(stderr, "%s", PQerrorMessage(con));
exit(1);
}
PQclear(res);
- /*
- * occupy accounts table with some data
- */
- fprintf(stderr, "creating tables...\n");
for (i = 0; i < naccounts * scale; i++)
{
int j = i + 1;
- if (j % 10000 == 1)
- {
- res = PQexec(con, "copy accounts from stdin");
- if (PQresultStatus(res) != PGRES_COPY_IN)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
- }
-
snprintf(sql, 256, "%d\t%d\t%d\t\n", j, i / naccounts + 1, 0);
if (PQputline(con, sql))
{
}
if (j % 10000 == 0)
- {
- /*
- * every 10000 tuples, we commit the copy command. this should
- * avoid generating too much WAL logs
- */
fprintf(stderr, "%d tuples done.\n", j);
- if (PQputline(con, "\\.\n"))
- {
- fprintf(stderr, "very last PQputline failed\n");
- exit(1);
- }
-
- if (PQendcopy(con))
- {
- fprintf(stderr, "PQendcopy failed\n");
- exit(1);
- }
-
-#ifdef NOT_USED
-
- /*
- * do a checkpoint to purge the old WAL logs
- */
- res = PQexec(con, "checkpoint");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
-#endif /* NOT_USED */
- }
}
- fprintf(stderr, "set primary key...\n");
- for (i = 0; i < (sizeof(DDLAFTERs) / sizeof(char *)); i++)
+ if (PQputline(con, "\\.\n"))
{
- res = PQexec(con, DDLAFTERs[i]);
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
+ fprintf(stderr, "very last PQputline failed\n");
+ exit(1);
}
-
- /* vacuum */
- fprintf(stderr, "vacuum...");
- res = PQexec(con, "vacuum analyze");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
+ if (PQendcopy(con))
{
- fprintf(stderr, "%s", PQerrorMessage(con));
+ fprintf(stderr, "PQendcopy failed\n");
exit(1);
}
- PQclear(res);
- fprintf(stderr, "done.\n");
+ executeStatement(con, "commit");
+
+ /*
+ * create indexes
+ */
+ fprintf(stderr, "set primary key...\n");
+ for (i = 0; i < lengthof(DDLAFTERs); i++)
+ executeStatement(con, DDLAFTERs[i]);
+ /* vacuum */
+ fprintf(stderr, "vacuum...");
+ executeStatement(con, "vacuum analyze");
+
+ fprintf(stderr, "done.\n");
PQfinish(con);
}
int c;
int is_init_mode = 0; /* initialize mode? */
int is_no_vacuum = 0; /* no vacuum at all before testing? */
- int is_full_vacuum = 0; /* do full vacuum before testing? */
+ int do_vacuum_accounts = 0; /* do vacuum accounts before testing? */
int debug = 0; /* debug flag */
int ttype = 0; /* transaction type. 0: TPC-B, 1: SELECT only,
* 2: skip update of branches and tellers */
is_no_vacuum++;
break;
case 'v':
- is_full_vacuum++;
+ do_vacuum_accounts++;
break;
case 'p':
pgport = optarg;
if (!is_no_vacuum)
{
fprintf(stderr, "starting vacuum...");
- res = PQexec(con, "vacuum branches");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
-
- res = PQexec(con, "vacuum tellers");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
-
- res = PQexec(con, "delete from history");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
- res = PQexec(con, "vacuum history");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
-
+ executeStatement(con, "vacuum branches");
+ executeStatement(con, "vacuum tellers");
+ executeStatement(con, "delete from history");
+ executeStatement(con, "vacuum history");
fprintf(stderr, "end.\n");
- if (is_full_vacuum)
+ if (do_vacuum_accounts)
{
- fprintf(stderr, "starting full vacuum...");
- res = PQexec(con, "vacuum analyze accounts");
- if (PQresultStatus(res) != PGRES_COMMAND_OK)
- {
- fprintf(stderr, "%s", PQerrorMessage(con));
- exit(1);
- }
- PQclear(res);
+ fprintf(stderr, "starting vacuum accounts...");
+ executeStatement(con, "vacuum analyze accounts");
fprintf(stderr, "end.\n");
}
}
projects / postgresql / commitdiff