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LibSQL: Remove Core::EventReceiver parent from SQL::Index

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This relationship was only used to provide factory methods for the index
(and its BTree child).
This commit is contained in:
Timothy Flynn 2023-08-07 11:28:44 -04:00 committed by Tim Flynn
parent 1b40bf9783
commit 5ad78cab8d
Notes: sideshowbarker 2024-07-17 02:28:18 +09:00 
Author: https://github.com/trflynn89
Commit: https://github.com/SerenityOS/serenity/commit/5ad78cab8d
Pull-request: https://github.com/SerenityOS/serenity/pull/20411
Reviewed-by: https://github.com/gmta ✅
5 changed files with 19 additions and 18 deletions
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2
Tests/LibSQL/TestSqlBtreeIndex.cpp
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@ -134,7 +134,7 @@ NonnullRefPtr<SQL::BTree> setup_btree(SQL::Serializer& serializer)
root_pointer = serializer.heap().request_new_block_index();
serializer.heap().set_user_value(0, root_pointer);
}
auto btree = SQL::BTree::construct(serializer, tuple_descriptor, true, root_pointer);
auto btree = MUST(SQL::BTree::create(serializer, tuple_descriptor, true, root_pointer));
btree->on_new_root = [&]() {
serializer.heap().set_user_value(0, btree->root());
};

15
Userland/Libraries/LibSQL/BTree.cpp
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@ -9,17 +9,22 @@
namespace SQL {
ErrorOr<NonnullRefPtr<BTree>> BTree::create(Serializer& serializer, NonnullRefPtr<TupleDescriptor> const& descriptor, bool unique, Block::Index block_index)
{
return adopt_nonnull_ref_or_enomem(new (nothrow) BTree(serializer, descriptor, unique, block_index));
}
ErrorOr<NonnullRefPtr<BTree>> BTree::create(Serializer& serializer, NonnullRefPtr<TupleDescriptor> const& descriptor, Block::Index block_index)
{
return create(serializer, descriptor, true, block_index);
}
BTree::BTree(Serializer& serializer, NonnullRefPtr<TupleDescriptor> const& descriptor, bool unique, Block::Index block_index)
: Index(serializer, descriptor, unique, block_index)
, m_root(nullptr)
{
}
BTree::BTree(Serializer& serializer, NonnullRefPtr<TupleDescriptor> const& descriptor, Block::Index block_index)
: BTree(serializer, descriptor, true, block_index)
{
}
BTreeIterator BTree::begin()
{
if (!m_root)

6
Userland/Libraries/LibSQL/BTree.h
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@ -92,10 +92,9 @@ private:
};
class BTree : public Index {
C_OBJECT(BTree);
public:
~BTree() override = default;
static ErrorOr<NonnullRefPtr<BTree>> create(Serializer&, NonnullRefPtr<TupleDescriptor> const&, bool unique, Block::Index);
static ErrorOr<NonnullRefPtr<BTree>> create(Serializer&, NonnullRefPtr<TupleDescriptor> const&, Block::Index);
Block::Index root() const { return m_root ? m_root->block_index() : 0; }
bool insert(Key const&);
@ -110,7 +109,6 @@ public:
private:
BTree(Serializer&, NonnullRefPtr<TupleDescriptor> const&, bool unique, Block::Index);
BTree(Serializer&, NonnullRefPtr<TupleDescriptor> const&, Block::Index);
void initialize_root();
TreeNode* new_root();
OwnPtr<TreeNode> m_root { nullptr };

6
Userland/Libraries/LibSQL/Database.cpp
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@ -32,17 +32,17 @@ ResultOr<void> Database::open()
VERIFY(!m_open);
TRY(m_heap->open());
m_schemas = BTree::construct(m_serializer, SchemaDef::index_def()->to_tuple_descriptor(), m_heap->schemas_root());
m_schemas = TRY(BTree::create(m_serializer, SchemaDef::index_def()->to_tuple_descriptor(), m_heap->schemas_root()));
m_schemas->on_new_root = [&]() {
m_heap->set_schemas_root(m_schemas->root());
};
m_tables = BTree::construct(m_serializer, TableDef::index_def()->to_tuple_descriptor(), m_heap->tables_root());
m_tables = TRY(BTree::create(m_serializer, TableDef::index_def()->to_tuple_descriptor(), m_heap->tables_root()));
m_tables->on_new_root = [&]() {
m_heap->set_tables_root(m_tables->root());
};
m_table_columns = BTree::construct(m_serializer, ColumnDef::index_def()->to_tuple_descriptor(), m_heap->table_columns_root());
m_table_columns = TRY(BTree::create(m_serializer, ColumnDef::index_def()->to_tuple_descriptor(), m_heap->table_columns_root()));
m_table_columns->on_new_root = [&]() {
m_heap->set_table_columns_root(m_table_columns->root());
};

8
Userland/Libraries/LibSQL/Index.h
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@ -6,7 +6,7 @@
#pragma once
#include <LibCore/EventReceiver.h>
#include <AK/RefCounted.h>
#include <LibSQL/Forward.h>
#include <LibSQL/Meta.h>
#include <LibSQL/Serializer.h>
@ -31,11 +31,9 @@ private:
Block::Index m_block_index;
};
class Index : public Core::EventReceiver {
C_OBJECT_ABSTRACT(Index);
class Index : public RefCounted<Index> {
public:
~Index() override = default;
virtual ~Index() = default;
NonnullRefPtr<TupleDescriptor> descriptor() const { return m_descriptor; }
[[nodiscard]] bool duplicates_allowed() const { return !m_unique; }