163 lines
3.4 KiB
C
163 lines
3.4 KiB
C
/*
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* $Id: b_del.c 63573 2008-05-23 21:43:21Z trent.nelson $
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*/
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#include "bench.h"
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static int usage(void);
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int
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b_del(int argc, char *argv[])
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{
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extern char *optarg;
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extern int optind;
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DB *dbp;
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DBC *dbc;
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DBT key, data;
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DBTYPE type;
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db_recno_t recno;
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u_int32_t cachesize;
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int ch, i, count, ret, use_cursor;
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char *ts, buf[32];
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type = DB_BTREE;
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cachesize = MEGABYTE;
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count = 100000;
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use_cursor = 0;
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ts = "Btree";
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while ((ch = getopt(argc, argv, "C:c:t:w")) != EOF)
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switch (ch) {
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case 'C':
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cachesize = (u_int32_t)atoi(optarg);
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break;
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case 'c':
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count = atoi(optarg);
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break;
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case 't':
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switch (optarg[0]) {
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case 'B': case 'b':
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ts = "Btree";
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type = DB_BTREE;
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break;
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case 'H': case 'h':
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if (b_util_have_hash())
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return (0);
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ts = "Hash";
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type = DB_HASH;
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break;
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case 'Q': case 'q':
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if (b_util_have_queue())
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return (0);
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ts = "Queue";
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type = DB_QUEUE;
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break;
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case 'R': case 'r':
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ts = "Recno";
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type = DB_RECNO;
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break;
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default:
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return (usage());
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}
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break;
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case 'w':
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use_cursor = 1;
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break;
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case '?':
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default:
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return (usage());
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}
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argc -= optind;
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argv += optind;
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if (argc != 0)
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return (usage());
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/* Create the database. */
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DB_BENCH_ASSERT(db_create(&dbp, NULL, 0) == 0);
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DB_BENCH_ASSERT(dbp->set_cachesize(dbp, 0, cachesize, 0) == 0);
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dbp->set_errfile(dbp, stderr);
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/* Set record length for Queue. */
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if (type == DB_QUEUE)
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DB_BENCH_ASSERT(dbp->set_re_len(dbp, 20) == 0);
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#if DB_VERSION_MAJOR >= 4 && DB_VERSION_MINOR >= 1
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DB_BENCH_ASSERT(
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dbp->open(dbp, NULL, TESTFILE, NULL, type, DB_CREATE, 0666) == 0);
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#else
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DB_BENCH_ASSERT(
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dbp->open(dbp, TESTFILE, NULL, type, DB_CREATE, 0666) == 0);
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#endif
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/* Initialize the data. */
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memset(&key, 0, sizeof(key));
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memset(&data, 0, sizeof(data));
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data.data = "01234567890123456789";
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data.size = 20;
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/* Store a key/data pair. */
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switch (type) {
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case DB_BTREE:
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case DB_HASH:
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key.data = buf;
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key.size = 10;
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break;
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case DB_QUEUE:
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case DB_RECNO:
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key.data = &recno;
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key.size = sizeof(recno);
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break;
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case DB_UNKNOWN:
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b_util_abort();
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break;
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}
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/* Insert count in-order key/data pairs. */
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if (type == DB_BTREE || type == DB_HASH)
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for (i = 0; i < count; ++i) {
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(void)snprintf(buf, sizeof(buf), "%010d", i);
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DB_BENCH_ASSERT(
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dbp->put(dbp, NULL, &key, &data, 0) == 0);
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}
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else
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for (i = 0, recno = 1; i < count; ++i, ++recno)
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DB_BENCH_ASSERT(
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dbp->put(dbp, NULL, &key, &data, 0) == 0);
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/* Delete the records. */
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TIMER_START;
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if (use_cursor) {
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DB_BENCH_ASSERT(dbp->cursor(dbp, NULL, &dbc, 0) == 0);
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while ((ret = dbc->c_get(dbc, &key, &data, DB_NEXT)) == 0)
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DB_BENCH_ASSERT(dbc->c_del(dbc, 0) == 0);
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DB_BENCH_ASSERT (ret == DB_NOTFOUND);
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} else
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if (type == DB_BTREE || type == DB_HASH)
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for (i = 0; i < count; ++i) {
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(void)snprintf(buf, sizeof(buf), "%010d", i);
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DB_BENCH_ASSERT(
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dbp->del(dbp, NULL, &key, 0) == 0);
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}
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else
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for (i = 0, recno = 1; i < count; ++i, ++recno)
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DB_BENCH_ASSERT(
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dbp->del(dbp, NULL, &key, 0) == 0);
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TIMER_STOP;
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printf(
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"# %d %s database in-order delete of 10/20 byte key/data pairs using %s\n",
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count, ts, use_cursor ? "a cursor" : "the key");
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TIMER_DISPLAY(count);
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DB_BENCH_ASSERT(dbp->close(dbp, 0) == 0);
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return (0);
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}
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static int
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usage()
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{
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(void)fprintf(stderr,
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"usage: b_del [-w] [-C cachesz] [-c count] [-t type]\n");
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return (EXIT_FAILURE);
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}
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