@Override
        protected Scope visitUnnest(Unnest node, Optional<Scope> scope)
        {
            ImmutableMap.Builder<NodeRef<Expression>, List<Field>> mappings = ImmutableMap.builder();

            ImmutableList.Builder<Field> outputFields = ImmutableList.builder();
            for (Expression expression : node.getExpressions()) {
                List<Field> expressionOutputs = new ArrayList<>();

                ExpressionAnalysis expressionAnalysis = analyzeExpression(expression, createScope(scope));
                Type expressionType = expressionAnalysis.getType(expression);
                if (expressionType instanceof ArrayType) {
                    Type elementType = ((ArrayType) expressionType).getElementType();
                    if (elementType instanceof RowType) {
                        ((RowType) elementType).getFields().stream()
                                .map(field -> Field.newUnqualified(field.getName(), field.getType()))
                                .forEach(expressionOutputs::add);
                    }
                    else {
                        expressionOutputs.add(Field.newUnqualified(Optional.empty(), elementType));
                    }
                }
                else if (expressionType instanceof MapType) {
                    expressionOutputs.add(Field.newUnqualified(Optional.empty(), ((MapType) expressionType).getKeyType()));
                    expressionOutputs.add(Field.newUnqualified(Optional.empty(), ((MapType) expressionType).getValueType()));
                }
                else {
                    throw new TrinoException(INVALID_FUNCTION_ARGUMENT, "Cannot unnest type: " + expressionType);
                }

                outputFields.addAll(expressionOutputs);
                mappings.put(NodeRef.of(expression), expressionOutputs);
            }

            Optional<Field> ordinalityField = Optional.empty();
            if (node.isWithOrdinality()) {
                ordinalityField = Optional.of(Field.newUnqualified(Optional.empty(), BIGINT));
            }

            ordinalityField.ifPresent(outputFields::add);

            analysis.setUnnest(node, new UnnestAnalysis(mappings.buildOrThrow(), ordinalityField));

            return createAndAssignScope(node, scope, outputFields.build());
        }