presto-hive/src/main/java/io/prestosql/plugin/hive/metastore/RecordingHiveMetastore.java/RecordingHiveMetastore/getPartition
class RecordingHiveMetastore:    @Override
    public Optional<Partition> getPartition(HiveIdentity identity, String databaseName, String tableName, List<String> partitionValues)
    {
        return loadValue(
                partitionCache,
                hivePartitionName(databaseName, tableName, partitionValues),
                () -> delegate.getPartition(identity, databaseName, tableName, partitionValues));
    }