private void assertRowHashOperator(String inputString, List<Type> types, List<Object> elements) { checkArgument(types.size() == elements.size(), "types and elements must have the same size"); RowType rowType = new RowType(types, Optional.empty()); BlockBuilder rowArrayBuilder = rowType.createBlockBuilder(new BlockBuilderStatus(), 1); BlockBuilder rowBuilder = new InterleavedBlockBuilder(types, new BlockBuilderStatus(), types.size()); for (int i = 0; i < types.size(); i++) { appendToBlockBuilder(types.get(i), elements.get(i), rowBuilder); } rowType.writeObject(rowArrayBuilder, rowBuilder.build()); assertOperator(HASH_CODE, inputString, BIGINT, rowType.hash(rowArrayBuilder.build(), 0)); }