mirror of
https://github.com/RGBCube/serenity
synced 2025-05-25 22:15:06 +00:00
b13527b8b2
One of the benefits of prepared statements is that the SQL string is parsed just once and re-used. This updates SQLStatement to do just that and store the parsed result.
45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
/*
|
|
* Copyright (c) 2021, Jan de Visser <jan@de-visser.net>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/DeprecatedString.h>
|
|
#include <AK/NonnullRefPtr.h>
|
|
#include <LibCore/Object.h>
|
|
#include <LibSQL/AST/AST.h>
|
|
#include <LibSQL/Result.h>
|
|
#include <LibSQL/ResultSet.h>
|
|
#include <SQLServer/DatabaseConnection.h>
|
|
#include <SQLServer/Forward.h>
|
|
|
|
namespace SQLServer {
|
|
|
|
class SQLStatement final : public Core::Object {
|
|
C_OBJECT_ABSTRACT(SQLStatement)
|
|
|
|
public:
|
|
static SQL::ResultOr<NonnullRefPtr<SQLStatement>> create(DatabaseConnection&, StringView sql);
|
|
~SQLStatement() override = default;
|
|
|
|
static RefPtr<SQLStatement> statement_for(int statement_id);
|
|
int statement_id() const { return m_statement_id; }
|
|
DatabaseConnection* connection() { return dynamic_cast<DatabaseConnection*>(parent()); }
|
|
void execute();
|
|
|
|
private:
|
|
SQLStatement(DatabaseConnection&, NonnullRefPtr<SQL::AST::Statement> statement);
|
|
|
|
bool should_send_result_rows() const;
|
|
void next();
|
|
void report_error(SQL::Result);
|
|
|
|
int m_statement_id;
|
|
size_t m_index { 0 };
|
|
NonnullRefPtr<SQL::AST::Statement> m_statement;
|
|
Optional<SQL::ResultSet> m_result {};
|
|
};
|
|
|
|
}
|