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#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();
}
}
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