Package org.apache.drill.exec.vector.complex

Examples of org.apache.drill.exec.vector.complex.MapVector

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    return rowCount;
  }

  private MapVector getOrCreateFamilyVector(String familyName, boolean allocateOnCreate) {
    try {
      MapVector v = familyVectorMap.get(familyName);
      if(v == null) {
        SchemaPath column = SchemaPath.getSimplePath(familyName);
        MaterializedField field = MaterializedField.create(column, COLUMN_FAMILY_TYPE);
        v = outputMutator.addField(field, MapVector.class);
        if (allocateOnCreate) {
          v.allocateNew();
        }
        getColumns().add(column);
        familyVectorMap.put(familyName, v);
      }
      return v;
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    int index = 0;

    for (ValueVector v : this.vectors) {
      ValueVector vector = v;
      for (int i = 1; i < ids.length; i++) {
        MapVector map = (MapVector) vector;
        vector = map.getVectorById(ids[i]);
      }
      vectors[index] = vector;
      index++;
    }
    return new HyperVectorWrapper<ValueVector>(vectors[0].getField(), vectors);
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      return this;
    }

    ValueVector vector = v;
    for (int i = 1; i < ids.length; i++) {
      MapVector map = (MapVector) vector;
      vector = map.getVectorById(ids[i]);
    }

    return new SimpleVectorWrapper<ValueVector>(vector);
  }
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//        "  \"float\"   : 1.2\n" +
//        "}\n" +
//        "{ \"integer\" : -2002,\n" +
//        "  \"float\"   : -1.2 \n" +
//        "}";
    MapVector v = new MapVector("", allocator);
    ComplexWriterImpl writer = new ComplexWriterImpl("col", v);
    writer.allocate();

    DrillBuf buffer = allocator.buffer(255);
    JsonReaderWithState jsonReader = new JsonReaderWithState(new ReaderJSONRecordSplitter(compound), buffer,
        GroupScan.ALL_COLUMNS, false);
    int i =0;
    List<Integer> batchSizes = Lists.newArrayList();

    outside: while(true) {
      writer.setPosition(i);
      switch (jsonReader.write(writer)) {
      case WRITE_SUCCEED:
        i++;
        break;
      case NO_MORE:
        batchSizes.add(i);
        System.out.println("no more records - main loop");
        break outside;

      case WRITE_FAILED:
        System.out.println("==== hit bounds at " + i);
        //writer.setValueCounts(i - 1);
        batchSizes.add(i);
        i = 0;
        writer.allocate();
        writer.reset();

        switch(jsonReader.write(writer)) {
        case NO_MORE:
          System.out.println("no more records - new alloc loop.");
          break outside;
        case WRITE_FAILED:
          throw new RuntimeException("Failure while trying to write.");
        case WRITE_SUCCEED:
          i++;
        };

      };
    }

    int total = 0;
    int lastRecordCount = 0;
    for (Integer records : batchSizes) {
      total += records;
      lastRecordCount = records;
    }


    ObjectWriter ow = new ObjectMapper().writer().withDefaultPrettyPrinter();

    ow.writeValueAsString(v.getAccessor().getObject(0));
    ow.writeValueAsString(v.getAccessor().getObject(1));
    FieldReader reader = v.get("col", MapVector.class).getAccessor().getReader();

    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    JsonWriter jsonWriter = new JsonWriter(stream, true);

    reader.setPosition(0);
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     *    ]
     *  }
     *
     */

    MapVector v = new MapVector("", allocator);
    ComplexWriterImpl writer = new ComplexWriterImpl("col", v);
    writer.allocate();

    {
      MapWriter map = writer.rootAsMap();
      ListWriter list = map.list("a");
      list.start();

      ListWriter innerList = list.list();
      IntWriter innerInt = innerList.integer();

      innerList.start();

      IntHolder holder = new IntHolder();

      holder.value = 1;
      innerInt.write(holder);
      holder.value = 2;
      innerInt.write(holder);
      holder.value = 3;
      innerInt.write(holder);

      innerList.end();
      innerList.start();

      holder.value = 4;
      innerInt.write(holder);
      holder.value = 5;
      innerInt.write(holder);

      innerList.end();
      list.end();

      IntWriter numCol = map.integer("nums");
      holder.value = 14;
      numCol.write(holder);

      MapWriter repeatedMap = map.list("b").map();
      repeatedMap.start();
      holder.value = 1;
      repeatedMap.integer("c").write(holder);
      repeatedMap.end();

      repeatedMap.start();
      holder.value = 2;
      repeatedMap.integer("c").write(holder);
      BigIntHolder h = new BigIntHolder();
      h.value = 15;
      repeatedMap.bigInt("x").write(h);
      repeatedMap.end();

      map.end();
    }
    assert writer.ok();

    {
      writer.setPosition(1);

      MapWriter map = writer.rootAsMap();
      ListWriter list = map.list("a");
      list.start();

      ListWriter innerList = list.list();
      IntWriter innerInt = innerList.integer();

      innerList.start();

      IntHolder holder = new IntHolder();

      holder.value = -1;
      innerInt.write(holder);
      holder.value = -2;
      innerInt.write(holder);
      holder.value = -3;
      innerInt.write(holder);

      innerList.end();
      innerList.start();

      holder.value = -4;
      innerInt.write(holder);
      holder.value = -5;
      innerInt.write(holder);

      innerList.end();
      list.end();

      IntWriter numCol = map.integer("nums");
      holder.value = -28;
      numCol.write(holder);

      MapWriter repeatedMap = map.list("b").map();
      repeatedMap.start();
      holder.value = -1;
      repeatedMap.integer("c").write(holder);
      repeatedMap.end();

      repeatedMap.start();
      holder.value = -2;
      repeatedMap.integer("c").write(holder);
      BigIntHolder h = new BigIntHolder();
      h.value = -30;
      repeatedMap.bigInt("x").write(h);
      repeatedMap.end();

      map.end();
    }


    ObjectWriter ow = new ObjectMapper().writer().withDefaultPrettyPrinter();

    System.out.println("Map of Object[0]: " + ow.writeValueAsString(v.getAccessor().getObject(0)));
    System.out.println("Map of Object[1]: " + ow.writeValueAsString(v.getAccessor().getObject(1)));


    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    JsonWriter jsonWriter = new JsonWriter(stream, true);
    FieldReader reader = v.get("col", MapVector.class).getAccessor().getReader();
    reader.setPosition(0);
    jsonWriter.write(reader);
    reader.setPosition(1);
    jsonWriter.write(reader);
    System.out.print("Json Read: ");
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    Preconditions.checkArgument(name == null);

    switch(mode){

    case INIT:
      MapVector map = (MapVector) container;
      mapRoot = new SingleMapWriter(map, this);
      mapRoot.setPosition(idx());
      mode = Mode.MAP;
      break;
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  @Override
  public MapWriter rootAsMap() {
    switch(mode){

    case INIT:
      MapVector map = container.addOrGet(name, Types.required(MinorType.MAP), MapVector.class);
      mapRoot = new SingleMapWriter(map, this);
      mapRoot.setPosition(idx());
      mode = Mode.MAP;
      break;
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    Preconditions.checkArgument(name == null);

    switch(mode){

    case INIT:
      MapVector map = (MapVector) container;
      mapRoot = new SingleMapWriter(map, this);
      mapRoot.setPosition(idx());
      mode = Mode.MAP;
      break;
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  @Override
  public MapWriter rootAsMap() {
    switch(mode){

    case INIT:
      MapVector map = container.addOrGet(name, Types.required(MinorType.MAP), MapVector.class);
      mapRoot = new SingleMapWriter(map, this);
      mapRoot.setPosition(idx());
      mode = Mode.MAP;
      break;
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      }

      for (KeyValue kv : kvs) {
        int familyOffset = kv.getFamilyOffset();
        int familyLength = kv.getFamilyLength();
        MapVector mv = getOrCreateFamilyVector(new String(bytes, familyOffset, familyLength), true);

        int qualifierOffset = kv.getQualifierOffset();
        int qualifierLength = kv.getQualifierLength();
        NullableVarBinaryVector v = getOrCreateColumnVector(mv, new String(bytes, qualifierOffset, qualifierLength));
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Related Classes of org.apache.drill.exec.vector.complex.MapVector

  • org.apache.drill.exec.record.HyperVectorWrapper
  • org.apache.drill.exec.record.MaterializedField
  • org.apache.drill.exec.record.SimpleVectorWrapper
  • org.apache.drill.exec.record.TransferPair
  • org.apache.drill.exec.store.hbase.HBaseRecordReader
  • org.apache.drill.exec.util.JsonStringHashMap
  • org.apache.drill.exec.vector.complex.impl.ComplexWriterImpl
  • org.apache.drill.exec.vector.complex.writer.TestJsonReader
  • org.apache.drill.exec.vector.complex.writer.TestRepeated
  • org.apache.drill.exec.vector.ValueVector
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