bool increment(llong* id, valvec<byte>* key) override {
auto owner = static_cast<const SeqNumIndex*>(m_index.get());
if (nark_likely(m_curr < owner->m_cnt)) {
getIndexKey(id, key, owner, --m_curr);
return true;
}
return false;
}
bool increment(llong* id, valvec<byte>* key) override {
auto owner = static_cast<const MockReadonlyIndex*>(m_index.get());
assert(nullptr != id);
if (nark_likely(m_pos > 0)) {
owner->getIndexKey(id, key, --m_pos);
return true;
}
return false;
}
bool increment(llong* id, valvec<byte>* key) override {
auto owner = static_cast<const MockWritableIndex*>(m_index.get());
if (nark_likely(owner->m_kv.begin() != m_iter)) {
--m_iter;
*id = m_iter->second;
copyKey(m_iter->first, key);
return true;
}
return false;
}
void kmapdset_iterator_impl_base::bulk_load(DBT* tk1)
{
NARK_RT_assert(0 == m_ret, std::logic_error);
load_key1(tk1->data, tk1->size);
clear_vec();
int ret;
do {
void *bptr, *data;
DB_MULTIPLE_INIT(bptr, &m_bulk);
assert(NULL != bptr);
for (;;)
{
size_t size = 0;
DB_MULTIPLE_NEXT(bptr, &m_bulk, data, size);
if (nark_likely(NULL != bptr))
this->push_back(data, size);
else
break;
}
ret = m_curp->get(m_curp, tk1, &m_bulk, DB_MULTIPLE|DB_NEXT_DUP);
} while (0 == ret);
}
