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it seems that the debug process has finished

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This commit is contained in:
happyZYM
2024-04-29 15:44:59 +00:00
parent bb01702187
commit 80f4fa4529
2 changed files with 35 additions and 30 deletions
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28
bpt/include/bpt/bpt.hpp
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@ -546,7 +546,7 @@ class BPlusTreeIndexer {
return;
}
if (possible_next_page_id != 0) {
// merge self into next
// merge next into self
assert(possible_prev_page_id == 0);
BasicPageGuard next_page_guard = std::move(bpm->FetchPageBasic(possible_next_page_id));
if (is_fixing_up_recursive &&
@ -555,27 +555,31 @@ class BPlusTreeIndexer {
size_t intended_dest = next_page_guard.template As<PageType>()->data.key_count +
page_guard.template As<PageType>()->data.key_count;
if (intended_dest == _ActualDataType::kMaxKeyCount) {
next_page_guard.template AsMut<PageType>()->data.p_n =
page_guard.template AsMut<PageType>()->data.p_n =
next_page_guard.template As<PageType>()
->data.p_data[next_page_guard.template As<PageType>()->data.key_count]
.second;
} else {
next_page_guard.template AsMut<PageType>()->data.p_data[intended_dest].second =
page_guard.template AsMut<PageType>()->data.p_data[intended_dest].second =
next_page_guard.template As<PageType>()
->data.p_data[next_page_guard.template As<PageType>()->data.key_count]
.second;
}
}
memmove(
next_page_guard.template AsMut<PageType>()->data.p_data + page_guard.template As<PageType>()->data.key_count,
next_page_guard.template As<PageType>()->data.p_data,
next_page_guard.template As<PageType>()->data.key_count * sizeof(key_index_pair_t));
memmove(next_page_guard.template AsMut<PageType>()->data.p_data, page_guard.template As<PageType>()->data.p_data,
page_guard.template As<PageType>()->data.key_count * sizeof(key_index_pair_t));
next_page_guard.template AsMut<PageType>()->data.key_count += page_guard.template As<PageType>()->data.key_count;
page_id_t current_page_id = page_guard.PageId();
if (!is_fixing_up_recursive) {
// update the p_n
page_guard.template AsMut<PageType>()->data.p_n = next_page_guard.template As<PageType>()->data.p_n;
}
memmove(page_guard.template AsMut<PageType>()->data.p_data + page_guard.template As<PageType>()->data.key_count,
next_page_guard.template As<PageType>()->data.p_data,
next_page_guard.template As<PageType>()->data.key_count * sizeof(key_index_pair_t));
page_guard.template AsMut<PageType>()->data.key_count += next_page_guard.template As<PageType>()->data.key_count;
parent_page_guard.template AsMut<PageType>()->data.p_data[pos.path[pos.path.size() - 2].second].first =
page_guard.template As<PageType>()->data.p_data[page_guard.template As<PageType>()->data.key_count - 1].first;
page_id_t page_id_to_delete = next_page_guard.PageId();
pos.path.pop_back(); // page_guard is no longer valid
bpm->DeletePage(current_page_id);
pos.path.back().second++;
bpm->DeletePage(page_id_to_delete);
if (!is_in_right_skew_path) {
// we need to update the parent page
RemoveEntryAt(pos, true);