/*
* __clsm_compare --
* WT_CURSOR->compare implementation for the LSM cursor type.
*/
static int
__clsm_compare(WT_CURSOR *a, WT_CURSOR *b, int *cmpp)
{
WT_CURSOR_LSM *alsm;
WT_DECL_RET;
WT_SESSION_IMPL *session;
int cmp;
/* There's no need to sync with the LSM tree, avoid WT_LSM_ENTER. */
alsm = (WT_CURSOR_LSM *)a;
CURSOR_API_CALL(a, session, compare, NULL);
/*
* Confirm both cursors refer to the same source and have keys, then
* compare the keys.
*/
if (strcmp(a->uri, b->uri) != 0)
WT_ERR_MSG(session, EINVAL,
"comparison method cursors must reference the same object");
WT_CURSOR_NEEDKEY(a);
WT_CURSOR_NEEDKEY(b);
WT_ERR(WT_LEX_CMP(
session, alsm->lsm_tree->collator, &a->key, &b->key, cmp));
*cmpp = cmp;
err: API_END(session);
return (ret);
}
/*
* __curfile_compare --
* WT_CURSOR->compare method for the btree cursor type.
*/
static int
__curfile_compare(WT_CURSOR *a, WT_CURSOR *b, int *cmpp)
{
WT_CURSOR_BTREE *cbt;
WT_DECL_RET;
WT_SESSION_IMPL *session;
cbt = (WT_CURSOR_BTREE *)a;
CURSOR_API_CALL(a, session, compare, cbt->btree);
/*
* Confirm both cursors refer to the same source and have keys, then
* call the underlying object to compare them.
*/
if (strcmp(a->uri, b->uri) != 0)
WT_ERR_MSG(session, EINVAL,
"comparison method cursors must reference the same object");
WT_CURSOR_NEEDKEY(a);
WT_CURSOR_NEEDKEY(b);
ret = __wt_btcur_compare(
(WT_CURSOR_BTREE *)a, (WT_CURSOR_BTREE *)b, cmpp);
err: API_END(session);
return (ret);
}
/*
* __wt_schema_range_truncate --
* WT_SESSION::truncate with a range.
*/
int
__wt_schema_range_truncate(
WT_SESSION_IMPL *session, WT_CURSOR *start, WT_CURSOR *stop)
{
WT_CURSOR *cursor;
WT_DATA_SOURCE *dsrc;
WT_DECL_RET;
const char *uri;
cursor = (start != NULL) ? start : stop;
uri = cursor->internal_uri;
if (WT_PREFIX_MATCH(uri, "file:")) {
if (start != NULL)
WT_CURSOR_NEEDKEY(start);
if (stop != NULL)
WT_CURSOR_NEEDKEY(stop);
WT_WITH_BTREE(session, ((WT_CURSOR_BTREE *)cursor)->btree,
ret = __wt_btcur_range_truncate(
(WT_CURSOR_BTREE *)start, (WT_CURSOR_BTREE *)stop));
} else if (WT_PREFIX_MATCH(uri, "table:"))
ret = __wt_table_range_truncate(
(WT_CURSOR_TABLE *)start, (WT_CURSOR_TABLE *)stop);
else if ((dsrc = __wt_schema_get_source(session, uri)) != NULL &&
dsrc->range_truncate != NULL)
ret = dsrc->range_truncate(dsrc, &session->iface, start, stop);
else
ret = __wt_range_truncate(start, stop);
err:
return (ret);
}
/*
* __curfile_remove --
* WT_CURSOR->remove method for the btree cursor type.
*/
static int
__curfile_remove(WT_CURSOR *cursor)
{
WT_CURSOR_BTREE *cbt;
WT_DECL_RET;
WT_SESSION_IMPL *session;
cbt = (WT_CURSOR_BTREE *)cursor;
CURSOR_UPDATE_API_CALL(cursor, session, remove, cbt->btree);
WT_CURSOR_NEEDKEY(cursor);
WT_CURSOR_NOVALUE(cursor);
WT_BTREE_CURSOR_SAVE_AND_RESTORE(cursor, __wt_btcur_remove(cbt), ret);
/*
* After a successful remove, copy the key: the value is not available.
*/
if (ret == 0) {
if (F_ISSET(cursor, WT_CURSTD_KEY_INT) &&
!WT_DATA_IN_ITEM(&(cursor)->key)) {
WT_ERR(__wt_buf_set(session, &cursor->key,
cursor->key.data, cursor->key.size));
F_CLR(cursor, WT_CURSTD_KEY_INT);
F_SET(cursor, WT_CURSTD_KEY_EXT);
}
F_CLR(cursor, WT_CURSTD_VALUE_SET);
}
err: CURSOR_UPDATE_API_END(session, ret);
return (ret);
}
/*
* __curfile_insert --
* WT_CURSOR->insert method for the btree cursor type.
*/
static int
__curfile_insert(WT_CURSOR *cursor)
{
WT_CURSOR_BTREE *cbt;
WT_DECL_RET;
WT_SESSION_IMPL *session;
cbt = (WT_CURSOR_BTREE *)cursor;
CURSOR_UPDATE_API_CALL(cursor, session, insert, cbt->btree);
if (!F_ISSET(cursor, WT_CURSTD_APPEND))
WT_CURSOR_NEEDKEY(cursor);
WT_CURSOR_NEEDVALUE(cursor);
WT_BTREE_CURSOR_SAVE_AND_RESTORE(cursor, __wt_btcur_insert(cbt), ret);
/*
* Insert is the one cursor operation that doesn't end with the cursor
* pointing to an on-page item. The standard macro handles errors
* correctly, but we need to leave the application cursor unchanged in
* the case of success, except for column-store appends, where we are
* returning a key.
*/
if (ret == 0) {
if (!F_ISSET(cursor, WT_CURSTD_APPEND)) {
F_SET(cursor, WT_CURSTD_KEY_EXT);
F_CLR(cursor, WT_CURSTD_KEY_INT);
}
F_SET(cursor, WT_CURSTD_VALUE_EXT);
F_CLR(cursor, WT_CURSTD_VALUE_INT);
}
err: CURSOR_UPDATE_API_END(session, ret);
return (ret);
}
/*
* __curstat_get_key --
* WT_CURSOR->get_key for statistics cursors.
*/
static int
__curstat_get_key(WT_CURSOR *cursor, ...)
{
WT_CURSOR_STAT *cst;
WT_DECL_RET;
WT_ITEM *item;
WT_SESSION_IMPL *session;
size_t size;
va_list ap;
cst = (WT_CURSOR_STAT *)cursor;
va_start(ap, cursor);
CURSOR_API_CALL(cursor, session, get_key, NULL);
WT_CURSOR_NEEDKEY(cursor);
if (F_ISSET(cursor, WT_CURSTD_RAW)) {
WT_ERR(__wt_struct_size(
session, &size, cursor->key_format, cst->key));
WT_ERR(__wt_buf_initsize(session, &cursor->key, size));
WT_ERR(__wt_struct_pack(session, cursor->key.mem, size,
cursor->key_format, cst->key));
item = va_arg(ap, WT_ITEM *);
item->data = cursor->key.data;
item->size = cursor->key.size;
} else
/*
* __curfile_insert --
* WT_CURSOR->insert method for the btree cursor type.
*/
static int
__curfile_insert(WT_CURSOR *cursor)
{
WT_CURSOR_BTREE *cbt;
WT_DECL_RET;
WT_SESSION_IMPL *session;
cbt = (WT_CURSOR_BTREE *)cursor;
CURSOR_UPDATE_API_CALL(cursor, session, insert, cbt->btree);
if (!F_ISSET(cursor, WT_CURSTD_APPEND))
WT_CURSOR_NEEDKEY(cursor);
WT_CURSOR_NEEDVALUE(cursor);
WT_BTREE_CURSOR_SAVE_AND_RESTORE(cursor, __wt_btcur_insert(cbt), ret);
/*
* Insert is the one cursor operation that doesn't end with the cursor
* pointing to an on-page item (except for column-store appends, where
* we are returning a key). That is, the application's cursor continues
* to reference the application's memory after a successful cursor call,
* which isn't true anywhere else. We don't want to have to explain that
* scoping corner case, so we reset the application's cursor so it can
* free the referenced memory and continue on without risking subsequent
* core dumps.
*/
if (ret == 0) {
if (!F_ISSET(cursor, WT_CURSTD_APPEND))
F_CLR(cursor, WT_CURSTD_KEY_INT);
F_CLR(cursor, WT_CURSTD_VALUE_INT);
}
err: CURSOR_UPDATE_API_END(session, ret);
return (ret);
}
/*
* __curds_compare --
* WT_CURSOR.compare method for the data-source cursor type.
*/
static int
__curds_compare(WT_CURSOR *a, WT_CURSOR *b, int *cmpp)
{
WT_COLLATOR *collator;
WT_DECL_RET;
WT_SESSION_IMPL *session;
CURSOR_API_CALL(a, session, compare, NULL);
/*
* Confirm both cursors refer to the same source and have keys, then
* compare them.
*/
if (strcmp(a->internal_uri, b->internal_uri) != 0)
WT_ERR_MSG(session, EINVAL,
"Cursors must reference the same object");
WT_CURSOR_NEEDKEY(a);
WT_CURSOR_NEEDKEY(b);
if (WT_CURSOR_RECNO(a)) {
if (a->recno < b->recno)
*cmpp = -1;
else if (a->recno == b->recno)
*cmpp = 0;
else
*cmpp = 1;
} else {
/*
* The assumption is data-sources don't provide WiredTiger with
* WT_CURSOR.compare methods, instead, we'll copy the key/value
* out of the underlying data-source cursor and any comparison
* to be done can be done at this level.
*/
collator = ((WT_CURSOR_DATA_SOURCE *)a)->collator;
WT_ERR(__wt_compare(
session, collator, &a->key, &b->key, cmpp));
}
err: API_END_RET(session, ret);
}
/*
* __curds_key_set -
* Set the key for the data-source.
*/
static inline int
__curds_key_set(WT_CURSOR *cursor)
{
WT_DECL_RET;
WT_CURSOR_NEEDKEY(cursor);
cursor->data_source->recno = cursor->recno;
cursor->data_source->key.data = cursor->key.data;
cursor->data_source->key.size = cursor->key.size;
err: return (ret);
}
/*
* __curfile_search_near --
* WT_CURSOR->search_near method for the btree cursor type.
*/
static int
__curfile_search_near(WT_CURSOR *cursor, int *exact)
{
WT_CURSOR_BTREE *cbt;
WT_DECL_RET;
WT_SESSION_IMPL *session;
cbt = (WT_CURSOR_BTREE *)cursor;
CURSOR_API_CALL(cursor, session, search_near, cbt->btree);
WT_CURSOR_NEEDKEY(cursor);
ret = __wt_btcur_search_near(cbt, exact);
err: API_END(session);
return (ret);
}
/*
* __curfile_remove --
* WT_CURSOR->remove method for the btree cursor type.
*/
static int
__curfile_remove(WT_CURSOR *cursor)
{
WT_CURSOR_BTREE *cbt;
WT_DECL_RET;
WT_SESSION_IMPL *session;
cbt = (WT_CURSOR_BTREE *)cursor;
CURSOR_UPDATE_API_CALL(cursor, session, remove, cbt->btree);
WT_CURSOR_NEEDKEY(cursor);
ret = __wt_btcur_remove((WT_CURSOR_BTREE *)cursor);
err: CURSOR_UPDATE_API_END(session, ret);
return (ret);
}
/*
* __curds_key_set --
* Set the key for the data-source.
*/
static int
__curds_key_set(WT_CURSOR *cursor)
{
WT_CURSOR *source;
WT_DECL_RET;
source = ((WT_CURSOR_DATA_SOURCE *)cursor)->source;
WT_CURSOR_NEEDKEY(cursor);
source->recno = cursor->recno;
source->key.data = cursor->key.data;
source->key.size = cursor->key.size;
err: return (ret);
}
/*
* __curfile_search --
* WT_CURSOR->search method for the btree cursor type.
*/
static int
__curfile_search(WT_CURSOR *cursor)
{
WT_CURSOR_BTREE *cbt;
WT_DECL_RET;
WT_SESSION_IMPL *session;
cbt = (WT_CURSOR_BTREE *)cursor;
CURSOR_API_CALL(cursor, session, search, cbt->btree);
WT_CURSOR_NEEDKEY(cursor);
WT_CURSOR_NOVALUE(cursor);
WT_BTREE_CURSOR_SAVE_AND_RESTORE(cursor, __wt_btcur_search(cbt), ret);
err: API_END_RET(session, ret);
}
/*
* __curfile_insert --
* WT_CURSOR->insert method for the btree cursor type.
*/
static int
__curfile_insert(WT_CURSOR *cursor)
{
WT_CURSOR_BTREE *cbt;
WT_DECL_RET;
WT_SESSION_IMPL *session;
cbt = (WT_CURSOR_BTREE *)cursor;
CURSOR_UPDATE_API_CALL(cursor, session, insert, cbt->btree);
if (!F_ISSET(cursor, WT_CURSTD_APPEND))
WT_CURSOR_NEEDKEY(cursor);
WT_CURSOR_NEEDVALUE(cursor);
ret = __wt_btcur_insert((WT_CURSOR_BTREE *)cursor);
err: CURSOR_UPDATE_API_END(session, ret);
return (ret);
}
/*
* __curfile_update --
* WT_CURSOR->update method for the btree cursor type.
*/
static int
__curfile_update(WT_CURSOR *cursor)
{
WT_CURSOR_BTREE *cbt;
WT_DECL_RET;
WT_SESSION_IMPL *session;
cbt = (WT_CURSOR_BTREE *)cursor;
CURSOR_UPDATE_API_CALL(cursor, session, update, cbt->btree);
WT_CURSOR_NEEDKEY(cursor);
WT_CURSOR_NEEDVALUE(cursor);
WT_BTREE_CURSOR_SAVE_AND_RESTORE(cursor, __wt_btcur_update(cbt), ret);
err: CURSOR_UPDATE_API_END(session, ret);
return (ret);
}
/*
* __curbulk_insert --
* WT_CURSOR->insert for the bulk cursor type.
*/
static int
__curbulk_insert(WT_CURSOR *cursor)
{
WT_BTREE *btree;
WT_CURSOR_BULK *cbulk;
WT_SESSION_IMPL *session;
int ret;
cbulk = (WT_CURSOR_BULK *)cursor;
btree = cbulk->cbt.btree;
CURSOR_API_CALL(cursor, session, insert, btree);
if (btree->type == BTREE_ROW)
WT_CURSOR_NEEDKEY(cursor);
WT_CURSOR_NEEDVALUE(cursor);
WT_ERR(__wt_bulk_insert(cbulk));
err: API_END(session);
return (ret);
}
/*
* __curbulk_insert --
* WT_CURSOR->insert for the bulk cursor type.
*/
static int
__curbulk_insert(WT_CURSOR *cursor)
{
WT_BTREE *btree;
WT_CURSOR_BULK *cbulk;
WT_DECL_RET;
WT_SESSION_IMPL *session;
cbulk = (WT_CURSOR_BULK *)cursor;
btree = cbulk->cbt.btree;
/*
* Bulk cursor inserts are updates, but don't need auto-commit
* transactions because they are single-threaded and not visible until
* the bulk cursor is closed.
*/
CURSOR_API_CALL(cursor, session, insert, btree);
if (btree->type == BTREE_ROW)
WT_CURSOR_NEEDKEY(cursor);
WT_CURSOR_NEEDVALUE(cursor);
WT_ERR(__wt_bulk_insert(cbulk));
err: API_END(session);
return (ret);
}
/*
* __clsm_open_cursors --
* Open cursors for the current set of files.
*/
static int
__clsm_open_cursors(
WT_CURSOR_LSM *clsm, bool update, u_int start_chunk, uint32_t start_id)
{
WT_BTREE *btree;
WT_CURSOR *c, **cp, *primary;
WT_DECL_RET;
WT_LSM_CHUNK *chunk;
WT_LSM_TREE *lsm_tree;
WT_SESSION_IMPL *session;
WT_TXN *txn;
const char *checkpoint, *ckpt_cfg[3];
uint64_t saved_gen;
u_int i, nchunks, ngood, nupdates;
u_int close_range_end, close_range_start;
bool locked;
c = &clsm->iface;
session = (WT_SESSION_IMPL *)c->session;
txn = &session->txn;
chunk = NULL;
locked = false;
lsm_tree = clsm->lsm_tree;
/*
* Ensure that any snapshot update has cursors on the right set of
* chunks to guarantee visibility is correct.
*/
if (update && txn->isolation == WT_ISO_SNAPSHOT)
F_SET(clsm, WT_CLSM_OPEN_SNAPSHOT);
/*
* Query operations need a full set of cursors. Overwrite cursors
* do queries in service of updates.
*/
if (!update || !F_ISSET(c, WT_CURSTD_OVERWRITE))
F_SET(clsm, WT_CLSM_OPEN_READ);
if (lsm_tree->nchunks == 0)
return (0);
ckpt_cfg[0] = WT_CONFIG_BASE(session, WT_SESSION_open_cursor);
ckpt_cfg[1] = "checkpoint=" WT_CHECKPOINT ",raw";
ckpt_cfg[2] = NULL;
/*
* If the key is pointing to memory that is pinned by a chunk
* cursor, take a copy before closing cursors.
*/
if (F_ISSET(c, WT_CURSTD_KEY_INT))
WT_CURSOR_NEEDKEY(c);
F_CLR(clsm, WT_CLSM_ITERATE_NEXT | WT_CLSM_ITERATE_PREV);
WT_RET(__wt_lsm_tree_readlock(session, lsm_tree));
locked = true;
/* Merge cursors have already figured out how many chunks they need. */
retry: if (F_ISSET(clsm, WT_CLSM_MERGE)) {
nchunks = clsm->nchunks;
ngood = 0;
/*
* We may have raced with another merge completing. Check that
* we're starting at the right offset in the chunk array.
*/
if (start_chunk >= lsm_tree->nchunks ||
lsm_tree->chunk[start_chunk]->id != start_id) {
for (start_chunk = 0;
start_chunk < lsm_tree->nchunks;
start_chunk++) {
chunk = lsm_tree->chunk[start_chunk];
if (chunk->id == start_id)
break;
}
/* We have to find the start chunk: merge locked it. */
WT_ASSERT(session, start_chunk < lsm_tree->nchunks);
}
WT_ASSERT(session, start_chunk + nchunks <= lsm_tree->nchunks);
} else {
nchunks = lsm_tree->nchunks;
/*
* If we are only opening the cursor for updates, only open the
* primary chunk, plus any other chunks that might be required
* to detect snapshot isolation conflicts.
*/
if (F_ISSET(clsm, WT_CLSM_OPEN_SNAPSHOT))
WT_ERR(__wt_realloc_def(session,
&clsm->txnid_alloc, nchunks,
&clsm->switch_txn));
if (F_ISSET(clsm, WT_CLSM_OPEN_READ))
ngood = nupdates = 0;
else if (F_ISSET(clsm, WT_CLSM_OPEN_SNAPSHOT)) {
/*
* Keep going until all updates in the next
* chunk are globally visible. Copy the maximum
* transaction IDs into the cursor as we go.
*/
for (ngood = nchunks - 1, nupdates = 1;
ngood > 0;
ngood--, nupdates++) {
chunk = lsm_tree->chunk[ngood - 1];
clsm->switch_txn[ngood - 1] = chunk->switch_txn;
if (__wt_txn_visible_all(
session, chunk->switch_txn))
break;
}
} else {
nupdates = 1;
ngood = nchunks - 1;
}
/* Check how many cursors are already open. */
for (cp = clsm->cursors + ngood;
ngood < clsm->nchunks && ngood < nchunks;
cp++, ngood++) {
chunk = lsm_tree->chunk[ngood];
/* If the cursor isn't open yet, we're done. */
if (*cp == NULL)
break;
/* Easy case: the URIs don't match. */
if (strcmp((*cp)->uri, chunk->uri) != 0)
break;
/* Make sure the checkpoint config matches. */
checkpoint = ((WT_CURSOR_BTREE *)*cp)->
btree->dhandle->checkpoint;
if (checkpoint == NULL &&
F_ISSET(chunk, WT_LSM_CHUNK_ONDISK) &&
!chunk->empty)
break;
/* Make sure the Bloom config matches. */
if (clsm->blooms[ngood] == NULL &&
F_ISSET(chunk, WT_LSM_CHUNK_BLOOM))
break;
}
/* Spurious generation bump? */
if (ngood == clsm->nchunks && clsm->nchunks == nchunks) {
clsm->dsk_gen = lsm_tree->dsk_gen;
goto err;
}
/*
* Close any cursors we no longer need.
*
* Drop the LSM tree lock while we do this: if the cache is
* full, we may block while closing a cursor. Save the
* generation number and retry if it has changed under us.
*/
if (clsm->cursors != NULL && ngood < clsm->nchunks) {
close_range_start = ngood;
close_range_end = clsm->nchunks;
} else if (!F_ISSET(clsm, WT_CLSM_OPEN_READ) && nupdates > 0 ) {
close_range_start = 0;
close_range_end = WT_MIN(nchunks, clsm->nchunks);
if (close_range_end > nupdates)
close_range_end -= nupdates;
else
close_range_end = 0;
WT_ASSERT(session, ngood >= close_range_end);
} else {
close_range_end = 0;
close_range_start = 0;
}
if (close_range_end > close_range_start) {
saved_gen = lsm_tree->dsk_gen;
locked = false;
WT_ERR(__wt_lsm_tree_readunlock(session, lsm_tree));
WT_ERR(__clsm_close_cursors(
clsm, close_range_start, close_range_end));
WT_ERR(__wt_lsm_tree_readlock(session, lsm_tree));
locked = true;
if (lsm_tree->dsk_gen != saved_gen)
goto retry;
}
/* Detach from our old primary. */
clsm->primary_chunk = NULL;
clsm->current = NULL;
}
WT_ERR(__wt_realloc_def(session,
&clsm->bloom_alloc, nchunks, &clsm->blooms));
WT_ERR(__wt_realloc_def(session,
&clsm->cursor_alloc, nchunks, &clsm->cursors));
clsm->nchunks = nchunks;
/* Open the cursors for chunks that have changed. */
for (i = ngood, cp = clsm->cursors + i; i != nchunks; i++, cp++) {
chunk = lsm_tree->chunk[i + start_chunk];
/* Copy the maximum transaction ID. */
if (F_ISSET(clsm, WT_CLSM_OPEN_SNAPSHOT))
clsm->switch_txn[i] = chunk->switch_txn;
/*
* Read from the checkpoint if the file has been written.
* Once all cursors switch, the in-memory tree can be evicted.
*/
WT_ASSERT(session, *cp == NULL);
ret = __wt_open_cursor(session, chunk->uri, c,
(F_ISSET(chunk, WT_LSM_CHUNK_ONDISK) && !chunk->empty) ?
ckpt_cfg : NULL, cp);
/*
* XXX kludge: we may have an empty chunk where no checkpoint
* was written. If so, try to open the ordinary handle on that
* chunk instead.
*/
if (ret == WT_NOTFOUND && F_ISSET(chunk, WT_LSM_CHUNK_ONDISK)) {
ret = __wt_open_cursor(
session, chunk->uri, c, NULL, cp);
if (ret == 0)
chunk->empty = 1;
}
WT_ERR(ret);
/*
* Setup all cursors other than the primary to only do conflict
* checks on insert operations. This allows us to execute
* inserts on non-primary chunks as a way of checking for
* write conflicts with concurrent updates.
*/
if (i != nchunks - 1)
(*cp)->insert = __wt_curfile_update_check;
if (!F_ISSET(clsm, WT_CLSM_MERGE) &&
F_ISSET(chunk, WT_LSM_CHUNK_BLOOM))
WT_ERR(__wt_bloom_open(session, chunk->bloom_uri,
lsm_tree->bloom_bit_count,
lsm_tree->bloom_hash_count,
c, &clsm->blooms[i]));
/* Child cursors always use overwrite and raw mode. */
F_SET(*cp, WT_CURSTD_OVERWRITE | WT_CURSTD_RAW);
}
/* The last chunk is our new primary. */
if (chunk != NULL &&
!F_ISSET(chunk, WT_LSM_CHUNK_ONDISK) &&
chunk->switch_txn == WT_TXN_NONE) {
clsm->primary_chunk = chunk;
primary = clsm->cursors[clsm->nchunks - 1];
/*
* Disable eviction for the in-memory chunk. Also clear the
* bulk load flag here, otherwise eviction will be enabled by
* the first update.
*/
btree = ((WT_CURSOR_BTREE *)(primary))->btree;
if (btree->bulk_load_ok) {
btree->bulk_load_ok = false;
WT_WITH_BTREE(session, btree,
__wt_btree_evictable(session, false));
}
}
clsm->dsk_gen = lsm_tree->dsk_gen;
err:
#ifdef HAVE_DIAGNOSTIC
/* Check that all cursors are open as expected. */
if (ret == 0 && F_ISSET(clsm, WT_CLSM_OPEN_READ)) {
for (i = 0, cp = clsm->cursors; i != clsm->nchunks; cp++, i++) {
chunk = lsm_tree->chunk[i + start_chunk];
/* Make sure the cursor is open. */
WT_ASSERT(session, *cp != NULL);
/* Easy case: the URIs should match. */
WT_ASSERT(session, strcmp((*cp)->uri, chunk->uri) == 0);
/* Make sure the checkpoint config matches. */
checkpoint = ((WT_CURSOR_BTREE *)*cp)->
btree->dhandle->checkpoint;
WT_ASSERT(session,
(F_ISSET(chunk, WT_LSM_CHUNK_ONDISK) &&
!chunk->empty) ?
checkpoint != NULL : checkpoint == NULL);
/* Make sure the Bloom config matches. */
WT_ASSERT(session,
(F_ISSET(chunk, WT_LSM_CHUNK_BLOOM) &&
!F_ISSET(clsm, WT_CLSM_MERGE)) ?
clsm->blooms[i] != NULL : clsm->blooms[i] == NULL);
}
}
#endif
if (locked)
WT_TRET(__wt_lsm_tree_readunlock(session, lsm_tree));
return (ret);
}