public <T> SpiExpressionList<T> filterMany(Query<T> rootQuery) {
if (filterMany == null) {
FilterExprPath exprPath = new FilterExprPath(path);
SpiExpressionFactory queryEf = (SpiExpressionFactory) rootQuery.getExpressionFactory();
ExpressionFactory filterEf = queryEf.createExpressionFactory();// exprPath);
filterMany = new FilterExpressionList(exprPath, filterEf, rootQuery);
// by default we need to make this a 'query join' now
queryFetchAll = true;
queryFetchBatch = 100;
lazyFetchBatch = 100;
}