public TParentEntity SingleOrDefault()
{
_metadatastore.AddEntity(typeof(TParentEntity));
BuildSql(0);
var uniqueResultAction = new UniqueResultAction <TParentEntity>(_metadatastore, _hydrator,
_connection, _dialect, _environment);
return(uniqueResultAction.GetSingleOrDefaultResult(_currentStatement, _queryParameters));
}
public TEntity SingleOrDefault <TEntity>() where TEntity : class
{
if (typeof(TEntity) == typeof(TParentEntity))
{
throw new InvalidOperationException("Can not project " + typeof(TParentEntity).Name + " onto " +
typeof(TEntity).Name +
". The projection entity type can not be the same as the entity to be queried.");
}
_metadatastore.AddEntity(typeof(TEntity));
BuildSql(0);
var uniqueResultAction = new UniqueResultAction <TEntity>(_metadatastore,
_hydrator, _connection, _dialect, _environment);
return(uniqueResultAction.GetSingleOrDefaultResult(_currentStatement, _queryParameters));
}
