Apply not-null filters for hash joins - fixes #491
Improved not-null column detection with defined columns in outer joins
Removed tautological and contradictory filters
Fixed use of metadata query within loop join - fixes #495, #496
Fixed filtering & aggregation on audit - fixes #488
Apply not-null filters for hash joins - fixes #491 Improved not-null column detection with defined columns in outer joins Removed tautological and contradictory filters Fixed use of metadata query within loop join - fixes #495, #496 Fixed filtering & aggregation on audit - fixes #488