bool SQLiteDriver::rollbackTransaction() { if (!isOpen() || isOpenError()) return false; QSqlQuery q(createResult()); if (!q.exec(QLatin1String("ROLLBACK"))) { setLastError(QSqlError(tr("Unable to rollback transaction"), q.lastError().databaseText(), QSqlError::TransactionError)); return false; } return true; }
bool QSQLiteDriver::commitTransaction() { if (!isOpen() || isOpenError()) return false; QSqlQuery q(createResult()); if (!q.exec(QLatin1String("COMMIT"))) { setLastError(QSqlError(tr("Unable to commit transaction"), q.lastError().databaseText(), QSqlError::TransactionError)); return false; } return true; }
bool QSQLiteDriver::rollbackTransaction() { if (!isOpen() || isOpenError()) return FALSE; char* err; int res = sqlite_exec(d->access, "ROLLBACK", 0, this, &err); if (res == SQLITE_OK) return TRUE; setLastError(QSqlError("Unable to rollback Transaction", err, QSqlError::Transaction, res)); sqlite_freemem(err); return FALSE; }
bool QSQLite2Driver::rollbackTransaction() { if (!isOpen() || isOpenError()) return false; char* err; int res = sqlite_exec(d->access, "ROLLBACK", 0, this, &err); if (res == SQLITE_OK) return true; setLastError(QSqlError(tr("Unable to rollback transaction"), QString::fromAscii(err), QSqlError::TransactionError, res)); sqlite_freemem(err); return false; }
bool QSQLite2Driver::commitTransaction() { Q_D(QSQLite2Driver); if (!isOpen() || isOpenError()) return false; char* err; int res = sqlite_exec(d->access, "COMMIT", 0, this, &err); if (res == SQLITE_OK) return true; setLastError(QSqlError(tr("Unable to commit transaction"), QString::fromLatin1(err), QSqlError::TransactionError, res)); sqlite_freemem(err); return false; }
/* SQLite dbs have no user name, passwords, hosts or ports. just file names. */ bool QSQLiteDriver::open(const QString & db, const QString &, const QString &, const QString &, int, const QString &conOpts) { if (isOpen()) close(); if (db.isEmpty()) return false; bool sharedCache = false; int openMode = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, timeOut=5000; QStringList opts=QString(conOpts).remove(QLatin1Char(' ')).split(QLatin1Char(';')); foreach(const QString &option, opts) { if (option.startsWith(QLatin1String("QSQLITE_BUSY_TIMEOUT="))) { bool ok; int nt = option.mid(21).toInt(&ok); if (ok) timeOut = nt; } if (option == QLatin1String("QSQLITE_OPEN_READONLY")) openMode = SQLITE_OPEN_READONLY; if (option == QLatin1String("QSQLITE_ENABLE_SHARED_CACHE")) sharedCache = true; } sqlite3_enable_shared_cache(sharedCache); #ifndef QT_WEBOS if (sqlite3_open_v2(db.toUtf8().constData(), &d->access, openMode, NULL) == SQLITE_OK) { #else // QT_WEBOS #if SQLITE_VERSION_NUMBER >= 3005000 if (sqlite3_open_v2(db.toUtf8().constData(), &d->access, openMode, NULL) == SQLITE_OK) { #else if (sqlite3_open(db.toUtf8().constData(), &d->access) == SQLITE_OK) { #endif #endif // QT_WEBOS sqlite3_busy_timeout(d->access, timeOut); setOpen(true); setOpenError(false); return true; } else { setLastError(qMakeError(d->access, tr("Error opening database"), QSqlError::ConnectionError)); setOpenError(true); return false; } } void QSQLiteDriver::close() { if (isOpen()) { foreach (QSQLiteResult *result, d->results) result->d->finalize(); if (sqlite3_close(d->access) != SQLITE_OK) setLastError(qMakeError(d->access, tr("Error closing database"), QSqlError::ConnectionError)); d->access = 0; setOpen(false); setOpenError(false); } } QSqlResult *QSQLiteDriver::createResult() const { return new QSQLiteResult(this); } bool QSQLiteDriver::beginTransaction() { if (!isOpen() || isOpenError()) return false; QSqlQuery q(createResult()); if (!q.exec(QLatin1String("BEGIN"))) { setLastError(QSqlError(tr("Unable to begin transaction"), q.lastError().databaseText(), QSqlError::TransactionError)); return false; } return true; } bool QSQLiteDriver::commitTransaction() { if (!isOpen() || isOpenError()) return false; QSqlQuery q(createResult()); if (!q.exec(QLatin1String("COMMIT"))) { setLastError(QSqlError(tr("Unable to commit transaction"), q.lastError().databaseText(), QSqlError::TransactionError)); return false; } return true; } bool QSQLiteDriver::rollbackTransaction() { if (!isOpen() || isOpenError()) return false; QSqlQuery q(createResult()); if (!q.exec(QLatin1String("ROLLBACK"))) { setLastError(QSqlError(tr("Unable to rollback transaction"), q.lastError().databaseText(), QSqlError::TransactionError)); return false; } return true; } QStringList QSQLiteDriver::tables(QSql::TableType type) const { QStringList res; if (!isOpen()) return res; QSqlQuery q(createResult()); q.setForwardOnly(true); QString sql = QLatin1String("SELECT name FROM sqlite_master WHERE %1 " "UNION ALL SELECT name FROM sqlite_temp_master WHERE %1"); if ((type & QSql::Tables) && (type & QSql::Views)) sql = sql.arg(QLatin1String("type='table' OR type='view'")); else if (type & QSql::Tables) sql = sql.arg(QLatin1String("type='table'")); else if (type & QSql::Views) sql = sql.arg(QLatin1String("type='view'")); else sql.clear(); if (!sql.isEmpty() && q.exec(sql)) { while(q.next()) res.append(q.value(0).toString()); } if (type & QSql::SystemTables) { // there are no internal tables beside this one: res.append(QLatin1String("sqlite_master")); } return res; } static QSqlIndex qGetTableInfo(QSqlQuery &q, const QString &tableName, bool onlyPIndex = false) { QString schema; QString table(tableName); int indexOfSeparator = tableName.indexOf(QLatin1Char('.')); if (indexOfSeparator > -1) { schema = tableName.left(indexOfSeparator).append(QLatin1Char('.')); table = tableName.mid(indexOfSeparator + 1); } q.exec(QLatin1String("PRAGMA ") + schema + QLatin1String("table_info (") + _q_escapeIdentifier(table) + QLatin1String(")")); QSqlIndex ind; while (q.next()) { bool isPk = q.value(5).toInt(); if (onlyPIndex && !isPk) continue; QString typeName = q.value(2).toString().toLower(); QSqlField fld(q.value(1).toString(), qGetColumnType(typeName)); if (isPk && (typeName == QLatin1String("integer"))) // INTEGER PRIMARY KEY fields are auto-generated in sqlite // INT PRIMARY KEY is not the same as INTEGER PRIMARY KEY! fld.setAutoValue(true); fld.setRequired(q.value(3).toInt() != 0); fld.setDefaultValue(q.value(4)); ind.append(fld); } return ind; }