mirror of https://github.com/OpenMW/openmw.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
#include "transaction.hpp"
|
|
|
|
#include <components/debug/debuglog.hpp>
|
|
|
|
#include <sqlite3.h>
|
|
|
|
#include <stdexcept>
|
|
#include <string>
|
|
|
|
namespace Sqlite3
|
|
{
|
|
namespace
|
|
{
|
|
const char* getBeginStatement(TransactionMode mode)
|
|
{
|
|
switch (mode)
|
|
{
|
|
case TransactionMode::Default: return "BEGIN";
|
|
case TransactionMode::Deferred: return "BEGIN DEFERRED";
|
|
case TransactionMode::Immediate: return "BEGIN IMMEDIATE";
|
|
case TransactionMode::Exclusive: return "BEGIN EXCLUSIVE";
|
|
}
|
|
throw std::logic_error("Invalid transaction mode: " + std::to_string(static_cast<std::underlying_type_t<TransactionMode>>(mode)));
|
|
}
|
|
}
|
|
|
|
void Rollback::operator()(sqlite3* db) const
|
|
{
|
|
if (db == nullptr)
|
|
return;
|
|
if (const int ec = sqlite3_exec(db, "ROLLBACK", nullptr, nullptr, nullptr); ec != SQLITE_OK)
|
|
Log(Debug::Debug) << "Failed to rollback SQLite3 transaction: " << sqlite3_errmsg(db) << " (" << ec << ")";
|
|
}
|
|
|
|
Transaction::Transaction(sqlite3& db, TransactionMode mode)
|
|
: mDb(&db)
|
|
{
|
|
if (const int ec = sqlite3_exec(&db, getBeginStatement(mode), nullptr, nullptr, nullptr); ec != SQLITE_OK)
|
|
{
|
|
(void) mDb.release();
|
|
throw std::runtime_error("Failed to start transaction: " + std::string(sqlite3_errmsg(&db)) + " (" + std::to_string(ec) + ")");
|
|
}
|
|
}
|
|
|
|
void Transaction::commit()
|
|
{
|
|
if (const int ec = sqlite3_exec(mDb.get(), "COMMIT", nullptr, nullptr, nullptr); ec != SQLITE_OK)
|
|
throw std::runtime_error("Failed to commit transaction: " + std::string(sqlite3_errmsg(mDb.get())) + " (" + std::to_string(ec) + ")");
|
|
(void) mDb.release();
|
|
}
|
|
}
|