/*
* __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_REMOVE_API_CALL(cursor, session, cbt->btree);
WT_ERR(__cursor_checkkey(cursor));
WT_ERR(__wt_btcur_remove(cbt));
/*
* Remove with a search-key is fire-and-forget, no position and no key.
* Remove starting from a position maintains the position and a key.
* We don't know which it was at this layer, so can only assert the key
* is not set at all, or internal. There's never a value.
*/
WT_ASSERT(session,
F_MASK(cursor, WT_CURSTD_KEY_SET) == 0 ||
F_MASK(cursor, WT_CURSTD_KEY_SET) == WT_CURSTD_KEY_INT);
WT_ASSERT(session, F_MASK(cursor, WT_CURSTD_VALUE_SET) == 0);
err: CURSOR_UPDATE_API_END(session, ret);
return (ret);
}
/*
* __curds_remove --
* WT_CURSOR.remove method for the data-source cursor type.
*/
static int
__curds_remove(WT_CURSOR *cursor)
{
WT_CURSOR *source;
WT_DECL_RET;
WT_SESSION_IMPL *session;
source = ((WT_CURSOR_DATA_SOURCE *)cursor)->source;
CURSOR_REMOVE_API_CALL(cursor, session, NULL);
WT_STAT_CONN_INCR(session, cursor_remove);
WT_STAT_DATA_INCR(session, cursor_remove);
WT_STAT_DATA_INCRV(session, cursor_remove_bytes, cursor->key.size);
WT_ERR(__curds_txn_enter(session, true));
WT_ERR(__curds_key_set(cursor));
ret = __curds_cursor_resolve(cursor, source->remove(source));
err: __curds_txn_leave(session);
CURSOR_UPDATE_API_END(session, ret);
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_REMOVE_API_CALL(cursor, session, 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);
}
