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OpenMW is an open implementation of the Morrowind engine
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1.9 kB · 58 lines
C++
at master
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859#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(); }}