/*
* col_remove --
* Remove a row from a column-store file.
*/
static void
col_remove(WT_CURSOR *cursor, WT_ITEM *key, uint64_t keyno, int *notfoundp)
{
WT_SESSION *session;
int notfound, ret;
session = cursor->session;
/* Log the operation */
if (g.logging == LOG_OPS)
(void)session->msg_printf(
session, "%-10s%" PRIu64, "remove", keyno);
cursor->set_key(cursor, keyno);
ret = cursor->remove(cursor);
if (ret != 0 && ret != WT_NOTFOUND)
die(ret, "col_remove: remove %" PRIu64 " by key", keyno);
*notfoundp = ret == WT_NOTFOUND;
if (!SINGLETHREADED)
return;
/*
* Deleting a fixed-length item is the same as setting the bits to 0;
* do the same thing for the BDB store.
*/
if (g.c_file_type == FIX) {
key_gen((uint8_t *)key->data, &key->size, keyno, 0);
bdb_update(key->data, key->size, "\0", 1, ¬found);
} else
bdb_remove(keyno, ¬found);
(void)notfound_chk("col_remove", ret, notfound, keyno);
}
/*
* row_remove --
* Remove an row from a row-store file.
*/
static void
row_remove(WT_CURSOR *cursor, WT_ITEM *key, uint64_t keyno, int *notfoundp)
{
WT_SESSION *session;
int notfound, ret;
session = cursor->session;
key_gen((uint8_t *)key->data, &key->size, keyno, 0);
/* Log the operation */
if (g.logging == LOG_OPS)
(void)session->msg_printf(
session, "%-10s%" PRIu64, "remove", keyno);
cursor->set_key(cursor, key);
ret = cursor->remove(cursor);
if (ret != 0 && ret != WT_NOTFOUND)
die(ret, "row_remove: remove %" PRIu64 " by key", keyno);
*notfoundp = ret == WT_NOTFOUND;
if (!SINGLETHREADED)
return;
bdb_remove(keyno, ¬found);
(void)notfound_chk("row_remove", ret, notfound, keyno);
}
/*
* row_remove --
* Remove an row from a row-store file.
*/
static int
row_remove(WT_CURSOR *cursor, WT_ITEM *key, uint64_t keyno, int *notfoundp)
{
WT_SESSION *session;
int notfound, ret;
session = cursor->session;
key_gen((uint8_t *)key->data, &key->size, keyno, 0);
/* Log the operation */
if (g.logging == LOG_OPS)
(void)g.wt_api->msg_printf(
g.wt_api, session, "%-10s%" PRIu64, "remove", keyno);
cursor->set_key(cursor, key);
/* We use the cursor in overwrite mode, check for existence. */
if ((ret = cursor->search(cursor)) == 0)
ret = cursor->remove(cursor);
if (ret == WT_DEADLOCK)
return (WT_DEADLOCK);
if (ret != 0 && ret != WT_NOTFOUND)
die(ret, "row_remove: remove %" PRIu64 " by key", keyno);
*notfoundp = (ret == WT_NOTFOUND);
if (!SINGLETHREADED)
return (0);
bdb_remove(keyno, ¬found);
(void)notfound_chk("row_remove", ret, notfound, keyno);
return (0);
}
/*
* col_remove --
* Remove a row from a column-store file.
*/
static int
col_remove(WT_CURSOR *cursor, WT_ITEM *key, uint64_t keyno, int *notfoundp)
{
WT_SESSION *session;
int ret;
session = cursor->session;
/* Log the operation */
if (g.logging == LOG_OPS)
(void)g.wt_api->msg_printf(
g.wt_api, session, "%-10s%" PRIu64, "remove", keyno);
cursor->set_key(cursor, keyno);
/* We use the cursor in overwrite mode, check for existence. */
if ((ret = cursor->search(cursor)) == 0)
ret = cursor->remove(cursor);
if (ret == WT_ROLLBACK)
return (WT_ROLLBACK);
if (ret != 0 && ret != WT_NOTFOUND)
testutil_die(ret,
"col_remove: remove %" PRIu64 " by key", keyno);
*notfoundp = (ret == WT_NOTFOUND);
#ifdef HAVE_BERKELEY_DB
if (!SINGLETHREADED)
return (0);
{
int notfound;
/*
* Deleting a fixed-length item is the same as setting the bits to 0;
* do the same thing for the BDB store.
*/
if (g.type == FIX) {
key_gen((uint8_t *)key->data, &key->size, keyno);
bdb_update(key->data, key->size, "\0", 1, ¬found);
} else
bdb_remove(keyno, ¬found);
(void)notfound_chk("col_remove", ret, notfound, keyno);
}
#else
(void)key; /* [-Wunused-variable] */
#endif
return (0);
}
void
bdb_truncate(uint64_t start, uint64_t stop)
{
DBC *dbc = g.dbc;
size_t len;
int cmp, ret, notfound;
/* Deleting a fixed-length item is the same as setting the bits to 0. */
if (g.type == FIX) {
/*
* If we're deleting from/to the start/end of the database,
* correct for the number of records we have.
*/
if (start == 0)
start = 1;
if (stop == 0)
stop = g.rows;
for (; start <= stop; ++start)
bdb_remove(start, ¬found);
return;
}
if (start == 0) {
ret = dbc->get(dbc, &key, &value, DB_FIRST);
if (ret != 0 && ret != DB_NOTFOUND)
bdb_die(ret, "%s", "dbc.get: DB_FIRST");
} else {
key_gen(&keyitem, start);
key.data = (void *)keyitem.data;
key.size = (u_int32_t)keyitem.size;
ret = dbc->get(dbc, &key, &value, DB_SET_RANGE);
if (ret != 0 && ret != DB_NOTFOUND)
bdb_die(ret, "dbc.get: DB_SET: {%.*s}",
(int)key.size, (char *)key.data);
}
if (ret == DB_NOTFOUND)
return;
if (stop == 0) {
do {
ret = dbc->del(dbc, 0);
if (ret != 0 && ret != DB_NOTFOUND)
bdb_die(ret, "dbc.del: {%.*s}",
(int)key.size, (char *)key.data);
} while ((ret = dbc->get(dbc, &key, &value, DB_NEXT)) == 0);
} else {
key_gen(&keyitem, stop);
do {
len = WT_MIN(key.size, keyitem.size);
cmp = memcmp(key.data, keyitem.data, len);
if (g.c_reverse) {
if (cmp < 0 ||
(cmp == 0 && key.size < keyitem.size))
break;
} else
if (cmp > 0 ||
(cmp == 0 && key.size > keyitem.size))
break;
ret = dbc->del(dbc, 0);
if (ret != 0 && ret != DB_NOTFOUND)
bdb_die(ret, "dbc.del: {%.*s}",
(int)key.size, (char *)key.data);
} while ((ret = dbc->get(dbc, &key, &value, DB_NEXT)) == 0);
}
if (ret != 0 && ret != DB_NOTFOUND)
bdb_die(ret, "%s", "dbc.get: DB_NEXT");
}
