Package parquet.io

Examples of parquet.io.MessageColumnIO

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      }

      logger.debug("Requesting schema {}", projection);

      ColumnIOFactory factory = new ColumnIOFactory(false);
      MessageColumnIO columnIO = factory.getColumnIO(projection, schema);
      Map<ColumnPath, ColumnChunkMetaData> paths = new HashMap();

      for (ColumnChunkMetaData md : footer.getBlocks().get(entry.getRowGroupIndex()).getColumns()) {
        paths.put(md.getPath(), md);
      }

      CodecFactoryExposer codecFactoryExposer = new CodecFactoryExposer(conf);
      FileSystem fs = FileSystem.get(conf);
      Path filePath = new Path(entry.getPath());

      BlockMetaData blockMetaData = footer.getBlocks().get(entry.getRowGroupIndex());

      recordCount = (int) blockMetaData.getRowCount();

      ColumnChunkIncReadStore pageReadStore = new ColumnChunkIncReadStore(recordCount,
              codecFactoryExposer.getCodecFactory(), fs, filePath);

      for (String[] path : schema.getPaths()) {
        Type type = schema.getType(path);
        if (type.isPrimitive()) {
          ColumnChunkMetaData md = paths.get(ColumnPath.get(path));
          pageReadStore.addColumn(schema.getColumnDescription(path), md);
        }
      }

      writer = new VectorContainerWriter(output);
      recordMaterializer = new DrillParquetRecordMaterializer(writer, projection);
      primitiveVectors = writer.getMapVector().getPrimitiveVectors();
      recordReader = columnIO.getRecordReader(pageReadStore, recordMaterializer);
    } catch (Exception e) {
      throw new ExecutionSetupException(e);
    }
  }
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    int initialBlockBufferSize = max(MINIMUM_BUFFER_SIZE, blockSize / this.schema.getColumns().size() / 5);
    pageStore = ColumnChunkPageWriteStoreExposer.newColumnChunkPageWriteStore(codec, pageSize, this.schema, initialBlockBufferSize);
    int initialPageBufferSize = max(MINIMUM_BUFFER_SIZE, min(pageSize + pageSize / 10, initialBlockBufferSize));
    store = new ColumnWriteStoreImpl(pageStore, pageSize, initialPageBufferSize, dictionaryPageSize, enableDictionary, writerVersion);
    MessageColumnIO columnIO = new ColumnIOFactory(validating).getColumnIO(this.schema);
    consumer = columnIO.getRecordWriter(store);
    setUp(schema, consumer);
  }
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    pageStore = new ColumnChunkPageWriteStore(compressor, schema, initialBlockBufferSize);
    // we don't want this number to be too small either
    // ideally, slightly bigger than the page size, but not bigger than the block buffer
    int initialPageBufferSize = max(MINIMUM_BUFFER_SIZE, min(pageSize + pageSize / 10, initialBlockBufferSize));
    store = new ColumnWriteStoreImpl(pageStore, pageSize, initialPageBufferSize, dictionaryPageSize, enableDictionary, writerVersion);
    MessageColumnIO columnIO = new ColumnIOFactory(validating).getColumnIO(schema);
    writeSupport.prepareForWrite(columnIO.getRecordWriter(store));
  }
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      long timeSpentReading = System.currentTimeMillis() - t0;
      totalTimeSpentReadingBytes += timeSpentReading;
      BenchmarkCounter.incrementTime(timeSpentReading);
      LOG.info("block read in memory in " + timeSpentReading + " ms. row count = " + pages.getRowCount());
      if (Log.DEBUG) LOG.debug("initializing Record assembly with requested schema " + requestedSchema);
      MessageColumnIO columnIO = columnIOFactory.getColumnIO(requestedSchema, fileSchema);
      recordReader = columnIO.getRecordReader(pages, recordConverter, recordFilter);
      startedAssemblingCurrentBlockAt = System.currentTimeMillis();
      totalCountLoadedSoFar += pages.getRowCount();
      ++ currentBlock;
    }
  }
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      }

      logger.debug("Requesting schema {}", projection);

      ColumnIOFactory factory = new ColumnIOFactory(false);
      MessageColumnIO columnIO = factory.getColumnIO(projection, schema);
      Map<ColumnPath, ColumnChunkMetaData> paths = new HashMap();

      for (ColumnChunkMetaData md : footer.getBlocks().get(entry.getRowGroupIndex()).getColumns()) {
        paths.put(md.getPath(), md);
      }

      CodecFactoryExposer codecFactoryExposer = new CodecFactoryExposer(conf);
      FileSystem fs = FileSystem.get(conf);
      Path filePath = new Path(entry.getPath());

      BlockMetaData blockMetaData = footer.getBlocks().get(entry.getRowGroupIndex());

      recordCount = (int) blockMetaData.getRowCount();

      pageReadStore = new ColumnChunkIncReadStore(recordCount,
              codecFactoryExposer.getCodecFactory(), operatorContext.getAllocator(), fs, filePath);

      for (String[] path : schema.getPaths()) {
        Type type = schema.getType(path);
        if (type.isPrimitive()) {
          ColumnChunkMetaData md = paths.get(ColumnPath.get(path));
          pageReadStore.addColumn(schema.getColumnDescription(path), md);
        }
      }

      writer = new VectorContainerWriter(output);
      recordMaterializer = new DrillParquetRecordMaterializer(output, writer, projection);
      primitiveVectors = writer.getMapVector().getPrimitiveVectors();
      recordReader = columnIO.getRecordReader(pageReadStore, recordMaterializer);
    } catch (Exception e) {
      throw new ExecutionSetupException(e);
    }
  }
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      pageSize,
      this.schema,
      initialBlockBufferSize);
    int initialPageBufferSize = max(MINIMUM_BUFFER_SIZE, min(pageSize + pageSize / 10, initialBlockBufferSize));
    store = new ColumnWriteStoreImpl(pageStore, pageSize, initialPageBufferSize, dictionaryPageSize, enableDictionary, writerVersion);
    MessageColumnIO columnIO = new ColumnIOFactory(validating).getColumnIO(this.schema);
    consumer = columnIO.getRecordWriter(store);
    setUp(schema, consumer);
  }
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      }

      logger.debug("Requesting schema {}", projection);

      ColumnIOFactory factory = new ColumnIOFactory(false);
      MessageColumnIO columnIO = factory.getColumnIO(projection, schema);
      Map<ColumnPath, ColumnChunkMetaData> paths = new HashMap();

      for (ColumnChunkMetaData md : footer.getBlocks().get(entry.getRowGroupIndex()).getColumns()) {
        paths.put(md.getPath(), md);
      }

      CodecFactoryExposer codecFactoryExposer = new CodecFactoryExposer(conf);
      FileSystem fs = FileSystem.get(conf);
      Path filePath = new Path(entry.getPath());

      BlockMetaData blockMetaData = footer.getBlocks().get(entry.getRowGroupIndex());

      recordCount = (int) blockMetaData.getRowCount();

      pageReadStore = new ColumnChunkIncReadStore(recordCount,
              codecFactoryExposer.getCodecFactory(), operatorContext.getAllocator(), fs, filePath);

      for (String[] path : schema.getPaths()) {
        Type type = schema.getType(path);
        if (type.isPrimitive()) {
          ColumnChunkMetaData md = paths.get(ColumnPath.get(path));
          pageReadStore.addColumn(schema.getColumnDescription(path), md);
        }
      }

      writer = new VectorContainerWriter(output);
      recordMaterializer = new DrillParquetRecordMaterializer(output, writer, projection);
      primitiveVectors = writer.getMapVector().getPrimitiveVectors();
      recordReader = columnIO.getRecordReader(pageReadStore, recordMaterializer);
    } catch (Exception e) {
      throw new ExecutionSetupException(e);
    }
  }
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      pageSize,
      this.schema,
      initialBlockBufferSize);
    int initialPageBufferSize = max(MINIMUM_BUFFER_SIZE, min(pageSize + pageSize / 10, initialBlockBufferSize));
    store = new ColumnWriteStoreImpl(pageStore, pageSize, initialPageBufferSize, dictionaryPageSize, enableDictionary, writerVersion);
    MessageColumnIO columnIO = new ColumnIOFactory(validating).getColumnIO(this.schema);
    consumer = columnIO.getRecordWriter(store);
    setUp(schema, consumer);
  }
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Related Classes of parquet.io.MessageColumnIO

  • org.apache.drill.exec.store.parquet.ParquetRecordWriter
  • org.apache.drill.exec.store.parquet2.DrillParquetReader
  • parquet.column.impl.ColumnReadStoreImpl
  • parquet.hadoop.InternalParquetRecordReader
  • parquet.hadoop.InternalParquetRecordWriter
  • parquet.io.api.RecordConsumer
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