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/*
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2005-2009 Oracle. All rights reserved.
*
* $Id$
*/
#include "bench.h"
static int b_del_usage(void);
int
b_del(int argc, char *argv[])
{
extern char *optarg;
extern int optind, __db_getopt_reset;
DB *dbp;
DBC *dbc;
DBT key, data;
DBTYPE type;
db_recno_t recno;
u_int32_t cachesize;
int ch, i, count, ret, use_cursor;
char *ts, buf[32];
type = DB_BTREE;
cachesize = MEGABYTE;
count = 100000;
use_cursor = 0;
ts = "Btree";
__db_getopt_reset = 1;
while ((ch = getopt(argc, argv, "C:c:t:w")) != EOF)
switch (ch) {
case 'C':
cachesize = (u_int32_t)atoi(optarg);
break;
case 'c':
count = atoi(optarg);
break;
case 't':
switch (optarg[0]) {
case 'B': case 'b':
ts = "Btree";
type = DB_BTREE;
break;
case 'H': case 'h':
if (b_util_have_hash())
return (0);
ts = "Hash";
type = DB_HASH;
break;
case 'Q': case 'q':
if (b_util_have_queue())
return (0);
ts = "Queue";
type = DB_QUEUE;
break;
case 'R': case 'r':
ts = "Recno";
type = DB_RECNO;
break;
default:
return (b_del_usage());
}
break;
case 'w':
use_cursor = 1;
break;
case '?':
default:
return (b_del_usage());
}
argc -= optind;
argv += optind;
if (argc != 0)
return (b_del_usage());
/* Create the database. */
DB_BENCH_ASSERT(db_create(&dbp, NULL, 0) == 0);
DB_BENCH_ASSERT(dbp->set_cachesize(dbp, 0, cachesize, 0) == 0);
dbp->set_errfile(dbp, stderr);
/* Set record length for Queue. */
if (type == DB_QUEUE)
DB_BENCH_ASSERT(dbp->set_re_len(dbp, 20) == 0);
#if DB_VERSION_MAJOR >= 4 && DB_VERSION_MINOR >= 1
DB_BENCH_ASSERT(
dbp->open(dbp, NULL, TESTFILE, NULL, type, DB_CREATE, 0666) == 0);
#else
DB_BENCH_ASSERT(
dbp->open(dbp, TESTFILE, NULL, type, DB_CREATE, 0666) == 0);
#endif
/* Initialize the data. */
memset(&key, 0, sizeof(key));
memset(&data, 0, sizeof(data));
data.data = "01234567890123456789";
data.size = 20;
/* Store a key/data pair. */
switch (type) {
case DB_BTREE:
case DB_HASH:
key.data = buf;
key.size = 10;
break;
case DB_QUEUE:
case DB_RECNO:
key.data = &recno;
key.size = sizeof(recno);
break;
case DB_UNKNOWN:
b_util_abort();
break;
}
/* Insert count in-order key/data pairs. */
if (type == DB_BTREE || type == DB_HASH)
for (i = 0; i < count; ++i) {
(void)snprintf(buf, sizeof(buf), "%010d", i);
DB_BENCH_ASSERT(
dbp->put(dbp, NULL, &key, &data, 0) == 0);
}
else
for (i = 0, recno = 1; i < count; ++i, ++recno)
DB_BENCH_ASSERT(
dbp->put(dbp, NULL, &key, &data, 0) == 0);
/* Delete the records. */
TIMER_START;
if (use_cursor) {
DB_BENCH_ASSERT(dbp->cursor(dbp, NULL, &dbc, 0) == 0);
while ((ret = dbc->c_get(dbc, &key, &data, DB_NEXT)) == 0)
DB_BENCH_ASSERT(dbc->c_del(dbc, 0) == 0);
DB_BENCH_ASSERT (ret == DB_NOTFOUND);
} else
if (type == DB_BTREE || type == DB_HASH)
for (i = 0; i < count; ++i) {
(void)snprintf(buf, sizeof(buf), "%010d", i);
DB_BENCH_ASSERT(
dbp->del(dbp, NULL, &key, 0) == 0);
}
else
for (i = 0, recno = 1; i < count; ++i, ++recno)
DB_BENCH_ASSERT(
dbp->del(dbp, NULL, &key, 0) == 0);
TIMER_STOP;
printf(
"# %d %s database in-order delete of 10/20 byte key/data pairs using %s\n",
count, ts, use_cursor ? "a cursor" : "the key");
TIMER_DISPLAY(count);
DB_BENCH_ASSERT(dbp->close(dbp, 0) == 0);
return (0);
}
static int
b_del_usage()
{
(void)fprintf(stderr,
"usage: b_del [-w] [-C cachesz] [-c count] [-t type]\n");
return (EXIT_FAILURE);
}
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