presto-hive/src/main/java/io/prestosql/plugin/hive/parquet/ParquetPageSource.java/ParquetBlockLoader/load
class ParquetBlockLoader:        @Override
        public final Block load()
        {
            checkState(!loaded, "Already loaded");
            checkState(batchId == expectedBatchId);

            Block block;
            try {
                block = parquetReader.readBlock(field);
            }
            catch (ParquetCorruptionException e) {
                throw new PrestoException(HIVE_BAD_DATA, e);
            }
            catch (IOException e) {
                throw new PrestoException(HIVE_CURSOR_ERROR, e);
            }

            loaded = true;
            return block;
        }