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

Examples of org.apache.drill.exec.vector.complex.writer.BaseWriter.MapWriter

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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();
    }

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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();
    }

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Related Classes of org.apache.drill.exec.vector.complex.writer.BaseWriter.MapWriter

  • org.apache.drill.exec.vector.complex.writer.TestRepeated
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