close method
Implementation
Future<DatabaseResult> close() async {
DatabaseResult databaseResult;
try {
String databaseName = _database?.path ?? "";
await _database?.close();
_database = null;
databaseResult = DatabaseResult._closeGood(databaseName);
} catch (e) {
databaseResult = DatabaseResult._error(e as Exception);
}
debugUtil.log(databaseResult.toString());
return databaseResult;
}