/*
* __wt_txn_rollback_to_stable --
* Rollback all in-memory state related to timestamps more recent than
* the passed in timestamp.
*/
int
__wt_txn_rollback_to_stable(WT_SESSION_IMPL *session, const char *cfg[])
{
#ifndef HAVE_TIMESTAMPS
WT_UNUSED(cfg);
WT_RET_MSG(session, EINVAL, "rollback_to_stable "
"requires a version of WiredTiger built with timestamp "
"support");
#else
WT_CONNECTION_IMPL *conn;
WT_DECL_RET;
conn = S2C(session);
WT_RET(__txn_rollback_to_stable_check(session));
/* Allocate a non-durable btree bitstring */
WT_RET(__bit_alloc(session,
conn->next_file_id, &conn->stable_rollback_bitstring));
WT_ERR(__wt_conn_btree_apply(session,
NULL, __txn_rollback_to_stable_btree, NULL, cfg));
/*
* Clear any offending content from the lookaside file. This must be
* done after the in-memory application, since the process of walking
* trees in cache populates a list that is used to check which
* lookaside records should be removed.
*/
WT_ERR(__txn_rollback_to_stable_lookaside_fixup(session));
err: __wt_free(session, conn->stable_rollback_bitstring);
return (ret);
#endif
}
/*
* __wt_bloom_create --
*
* Creates and configures a WT_BLOOM handle, allocates a bitstring in memory to
* use while populating the bloom filter.
*
* count - is the expected number of inserted items
* factor - is the number of bits to use per inserted item
* k - is the number of hash values to set or test per item
*/
int
__wt_bloom_create(
WT_SESSION_IMPL *session, const char *uri, const char *config,
uint64_t count, uint32_t factor, uint32_t k, WT_BLOOM **bloomp)
{
WT_BLOOM *bloom;
WT_RET(__bloom_init(session, uri, config, &bloom));
WT_RET(__bloom_setup(bloom, count, 0, factor, k));
WT_RET(__bit_alloc(session, bloom->m, &bloom->bitstring));
*bloomp = bloom;
return (0);
}
* factor - is the number of bits to use per inserted item
* k - is the number of hash values to set or test per item
*/
int
__wt_bloom_create(
WT_SESSION_IMPL *session, const char *uri, const char *config,
uint64_t count, uint32_t factor, uint32_t k, WT_BLOOM **bloomp)
WT_GCC_FUNC_ATTRIBUTE((visibility("default")))
{
WT_BLOOM *bloom;
WT_DECL_RET;
WT_RET(__bloom_init(session, uri, config, &bloom));
WT_ERR(__bloom_setup(bloom, count, 0, factor, k));
WT_ERR(__bit_alloc(session, bloom->m, &bloom->bitstring));
*bloomp = bloom;
return (0);
err: WT_TRET(__wt_bloom_close(bloom));
return (ret);
}
/*
* __bloom_open_cursor --
* Open a cursor to read from a Bloom filter.
*/
static int
__bloom_open_cursor(WT_BLOOM *bloom, WT_CURSOR *owner)
{
