presto-hive/src/main/java/io/prestosql/plugin/hive/HivePageSourceProvider.java/ColumnMapping/extractRegularAndInterimColumnMappings
class ColumnMapping:        public static List<ColumnMapping> extractRegularAndInterimColumnMappings(List<ColumnMapping> columnMappings)
        {
            return columnMappings.stream()
                    .filter(columnMapping -> columnMapping.getKind() == ColumnMappingKind.REGULAR || columnMapping.getKind() == ColumnMappingKind.INTERIM)
                    .collect(toImmutableList());
        }