Examples of org.apache.drill.exec.vector.ValueVector$Mutator

org.apache.drill.exec.vector.ValueVector
ValueVectorTypes defines a set of template-generated classes which implement type-specific value vectors. The template approach was chosen due to the lack of multiple inheritence. It is also important that all related logic be as efficient as possible.

        System.out.println(String.format("Got %d results", b.getHeader().getRowCount()));
        count += b.getHeader().getRowCount();
        loader.load(b.getHeader().getDef(), b.getData());
        for (VectorWrapper vw : loader) {
          System.out.print(vw.getValueVector().getField().toExpr() + ": ");
          ValueVector vv = vw.getValueVector();
          for (int i = 0; i < vv.getAccessor().getValueCount(); i++) {
            Object o = vv.getAccessor().getObject(i);
            if (o instanceof byte[]) {
              System.out.print(" [" + new String((byte[]) o) + "]");
            } else {
              System.out.print(" [" + vv.getAccessor().getObject(i) + "]");
            }
//            break;
          }
          System.out.println();
        }

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        // add field to the output schema
        bldr.addField(v.getField());


        // allocate a new value vector
        ValueVector outgoingVector = TypeHelper.getNewVector(v.getField(), oContext.getAllocator());
        outgoingVector.allocateNew();
        outgoingContainer.add(outgoingVector);
        ++vectorCount;
      }

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        // add field to the output schema
        bldr.addField(v.getField());


        // allocate a new value vector
        ValueVector outgoingVector = TypeHelper.getNewVector(v.getField(), allocator);
        outgoingVector.allocateNew();
        vectorContainer.add(outgoingVector);
      }
      outSchema = bldr.build();
      doSetup(incoming, vectorContainer);
    }

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  public TestOutputMutator(BufferAllocator allocator){
    this.allocator = allocator;
  }


  public void removeField(MaterializedField field) throws SchemaChangeException {
    ValueVector vector = fieldVectorMap.remove(field);
    if (vector == null)
      throw new SchemaChangeException("Failure attempting to remove an unknown field.");
    container.remove(vector);
    vector.close();
  }

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    return;
  }


  @Override
  public <T extends ValueVector> T addField(MaterializedField field, Class<T> clazz) throws SchemaChangeException {
    ValueVector v = TypeHelper.getNewVector(field, allocator);
    if(!clazz.isAssignableFrom(v.getClass())) throw new SchemaChangeException(String.format("The class that was provided %s does not correspond to the expected vector type of %s.", clazz.getSimpleName(), v.getClass().getSimpleName()));
    addField(v);
    return (T) v;
  }

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      for (QueryResultBatch b : results) {
        System.out.println(String.format("Got %d results", b.getHeader().getRowCount()));
        loader.load(b.getHeader().getDef(), b.getData());
        for (VectorWrapper<?> vw : loader) {
          System.out.println(vw.getValueVector().getField().toExpr());
          ValueVector vv = vw.getValueVector();
          for (int i = 0; i < vv.getAccessor().getValueCount(); i++) {
            Object o = vv.getAccessor().getObject(i);
            System.out.println(vv.getAccessor().getObject(i));
          }
        }
        loader.clear();
        b.release();
      }

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      for (QueryResultBatch b : results) {
        System.out.println(String.format("Got %d results", b.getHeader().getRowCount()));
        loader.load(b.getHeader().getDef(), b.getData());
        for (VectorWrapper<?> vw : loader) {
          System.out.println(vw.getValueVector().getField().toExpr());
          ValueVector vv = vw.getValueVector();
          for (int i = 0; i < vv.getAccessor().getValueCount(); i++) {
            Object o = vv.getAccessor().getObject(i);
            System.out.println(vv.getAccessor().getObject(i));
          }
        }
        loader.clear();
        b.release();
      }

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      for (QueryResultBatch b : results) {
        System.out.println(String.format("Got %d results", b.getHeader().getRowCount()));
        loader.load(b.getHeader().getDef(), b.getData());
        for (VectorWrapper<?> vw : loader) {
          System.out.println(vw.getValueVector().getField().toExpr());
          ValueVector vv = vw.getValueVector();
          for (int i = 0; i < vv.getAccessor().getValueCount(); i++) {
            Object o = vv.getAccessor().getObject(i);
            if (vv instanceof VarBinaryVector) {
              VarBinaryVector.Accessor x = ((VarBinaryVector) vv).getAccessor();
              VarBinaryHolder vbh = new VarBinaryHolder();
              x.get(i, vbh);
              System.out.printf("%d..%d", vbh.start, vbh.end);


              System.out.println("[" + new String((byte[]) vv.getAccessor().getObject(i)) + "]");
            } else {
              System.out.println(vv.getAccessor().getObject(i));
            }


          }
        }
        loader.clear();

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      for (QueryResultBatch b : results) {
        System.out.println(String.format("Got %d results", b.getHeader().getRowCount()));
        loader.load(b.getHeader().getDef(), b.getData());
        for (VectorWrapper vw : loader) {
          System.out.println(vw.getValueVector().getField().toExpr());
          ValueVector vv = vw.getValueVector();
          for (int i = 0; i < vv.getAccessor().getValueCount(); i++) {
            Object o = vv.getAccessor().getObject(i);
            if (vv instanceof VarBinaryVector) {
              VarBinaryVector.Accessor x = ((VarBinaryVector) vv).getAccessor();
              VarBinaryHolder vbh = new VarBinaryHolder();
              x.get(i, vbh);
              System.out.printf("%d..%d", vbh.start, vbh.end);


              System.out.println("[" + new String((byte[]) vv.getAccessor().getObject(i)) + "]");
            } else {
              System.out.println(vv.getAccessor().getObject(i));
            }


          }
        }
        loader.clear();

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      for (QueryResultBatch b : results) {
        System.out.println(String.format("Got %d results", b.getHeader().getRowCount()));
        loader.load(b.getHeader().getDef(), b.getData());
        for (VectorWrapper vw : loader) {
          System.out.println(vw.getValueVector().getField().toExpr());
          ValueVector vv = vw.getValueVector();
          for (int i = 0; i < vv.getAccessor().getValueCount(); i++) {
            Object o = vv.getAccessor().getObject(i);
            if (vv instanceof VarBinaryVector) {
              VarBinaryVector.Accessor x = ((VarBinaryVector) vv).getAccessor();
              VarBinaryHolder vbh = new VarBinaryHolder();
              x.get(i, vbh);
              System.out.printf("%d..%d", vbh.start, vbh.end);


              System.out.println("[" + new String((byte[]) vv.getAccessor().getObject(i)) + "]");
            } else {
              System.out.println(vv.getAccessor().getObject(i));
            }


          }
        }
        loader.clear();

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