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

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This relationship was only used to provide a name, factory methods, and
parent-child relationships for the relations.
This commit is contained in:
Timothy Flynn 2023-08-07 11:58:03 -04:00 • committed by Tim Flynn
parent 5ad78cab8d
commit 3ea4c56d04
6 changed files with 76 additions and 51 deletions
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50
Userland/Libraries/LibSQL/Meta.h
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@ -8,6 +8,7 @@
#include <AK/DeprecatedString.h>
#include <AK/NonnullRefPtr.h>
#include <AK/RefCounted.h>
#include <AK/Result.h>
#include <AK/Vector.h>
#include <LibCore/EventReceiver.h>
@ -23,53 +24,54 @@ namespace SQL {
* It remains to be seen if this will survive in it's current form.
*/
class Relation : public Core::EventReceiver {
C_OBJECT_ABSTRACT(Relation);
class Relation : public RefCounted<Relation> {
public:
virtual ~Relation() = default;
DeprecatedString const& name() const { return m_name; }
Relation const* parent() const { return m_parent; }
u32 hash() const;
Block::Index block_index() const { return m_block_index; }
void set_block_index(Block::Index block_index) { m_block_index = block_index; }
~Relation() override = default;
virtual Key key() const = 0;
Relation const* parent_relation() const { return dynamic_cast<Relation const*>(parent()); }
protected:
Relation(DeprecatedString name, Block::Index block_index, Relation* parent = nullptr)
: Core::EventReceiver(parent)
: m_name(move(name))
, m_block_index(block_index)
, m_parent(parent)
{
set_name(move(name));
}
explicit Relation(DeprecatedString name, Relation* parent = nullptr)
: Core::EventReceiver(parent)
, m_block_index(0)
: Relation(move(name), 0, parent)
{
set_name(move(name));
}
private:
DeprecatedString m_name;
Block::Index m_block_index { 0 };
Relation const* m_parent { nullptr };
};
class SchemaDef : public Relation {
C_OBJECT(SchemaDef);
public:
static ErrorOr<NonnullRefPtr<SchemaDef>> create(DeprecatedString name);
static ErrorOr<NonnullRefPtr<SchemaDef>> create(Key const&);
Key key() const override;
static NonnullRefPtr<IndexDef> index_def();
static Key make_key();
private:
explicit SchemaDef(DeprecatedString);
explicit SchemaDef(Key const&);
};
class ColumnDef : public Relation {
C_OBJECT(ColumnDef);
public:
static ErrorOr<NonnullRefPtr<ColumnDef>> create(Relation*, size_t, DeprecatedString, SQLType);
Key key() const override;
SQLType type() const { return m_type; }
size_t column_number() const { return m_index; }
@ -92,22 +94,21 @@ private:
};
class KeyPartDef : public ColumnDef {
C_OBJECT(KeyPartDef);
public:
static ErrorOr<NonnullRefPtr<KeyPartDef>> create(IndexDef*, DeprecatedString, SQLType, Order = Order::Ascending);
Order sort_order() const { return m_sort_order; }
private:
KeyPartDef(IndexDef*, DeprecatedString, SQLType, Order = Order::Ascending);
KeyPartDef(IndexDef*, DeprecatedString, SQLType, Order);
Order m_sort_order { Order::Ascending };
};
class IndexDef : public Relation {
C_OBJECT(IndexDef);
public:
~IndexDef() override = default;
static ErrorOr<NonnullRefPtr<IndexDef>> create(TableDef*, DeprecatedString, bool unique = true, u32 pointer = 0);
static ErrorOr<NonnullRefPtr<IndexDef>> create(DeprecatedString, bool unique = true, u32 pointer = 0);
Vector<NonnullRefPtr<KeyPartDef>> const& key_definition() const { return m_key_definition; }
bool unique() const { return m_unique; }
@ -119,8 +120,7 @@ public:
static Key make_key(TableDef const& table_def);
private:
IndexDef(TableDef*, DeprecatedString, bool unique = true, u32 pointer = 0);
explicit IndexDef(DeprecatedString, bool unique = true, u32 pointer = 0);
IndexDef(TableDef*, DeprecatedString, bool unique, u32 pointer);
Vector<NonnullRefPtr<KeyPartDef>> m_key_definition;
bool m_unique { false };
@ -129,9 +129,9 @@ private:
};
class TableDef : public Relation {
C_OBJECT(TableDef);
public:
static ErrorOr<NonnullRefPtr<TableDef>> create(SchemaDef*, DeprecatedString);
Key key() const override;
void append_column(DeprecatedString, SQLType);
void append_column(Key const&);