presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/cache/CachingHiveMetastore.java/CachingHiveMetastore/loadPartitionNamesByParts
class CachingHiveMetastore:    private Optional<List<String>> loadPartitionNamesByParts(WithIdentity<PartitionFilter> partitionFilter)
    {
        return delegate.getPartitionNamesByParts(
                partitionFilter.getIdentity(),
                partitionFilter.getKey().getHiveTableName().getDatabaseName(),
                partitionFilter.getKey().getHiveTableName().getTableName(),
                partitionFilter.getKey().getParts());
    }