Package org.apache.drill.exec.record.selection

Examples of org.apache.drill.exec.record.selection.SelectionVector4

325
326
327
328
329
330
331
332
333
334
335
      SchemaPath sp = SchemaPath.getSimplePath("f" + i++);
      orderDefs.add(new Ordering(od.getDirection(), new FieldReference(sp)));
    }

    // sort the data incoming samples.
    SelectionVector4 newSv4 = containerBuilder.getSv4();
    Sorter sorter = SortBatch.createNewSorter(context, orderDefs, allSamplesContainer);
    sorter.setup(context, newSv4, allSamplesContainer);
    sorter.sort(newSv4, allSamplesContainer);

    // Copy every Nth record from the samples into a candidate partition table, where N = totalSampledRecords/partitions
View Full Code Here
53
54
55
56
57
58
59
60
    this.limit = limit;
    this.context = context;
    this.allocator = allocator;
    BufferAllocator.PreAllocator preAlloc = allocator.getNewPreAllocator();
    preAlloc.preAllocate(4 * (limit + 1));
    heapSv4 = new SelectionVector4(preAlloc.getAllocation(), limit, Character.MAX_VALUE);
    this.hasSv2 = hasSv2;
  }
View Full Code Here
70
71
72
73
74
75
76
77
78
79
80
    newContainer.buildSchema(BatchSchema.SelectionVectorMode.FOUR_BYTE);
    this.hyperBatch = new ExpandableHyperContainer(newContainer);
    this.batchCount = hyperBatch.iterator().next().getValueVectors().length;
    BufferAllocator.PreAllocator preAlloc = allocator.getNewPreAllocator();
    preAlloc.preAllocate(4 * (limit + 1));
    this.heapSv4 = new SelectionVector4(preAlloc.getAllocation(), limit, Character.MAX_VALUE);
    for (int i = 0; i < v4.getTotalCount(); i++) {
      heapSv4.set(i, v4.get(i));
    }
    v4.clear();
  }
View Full Code Here
119
120
121
122
123
124
125
126
127
128
129
  public void generate() throws SchemaChangeException {
    Stopwatch watch = new Stopwatch();
    watch.start();
    BufferAllocator.PreAllocator preAlloc = allocator.getNewPreAllocator();
    preAlloc.preAllocate(4 * queueSize);
    finalSv4 = new SelectionVector4(preAlloc.getAllocation(), queueSize, 4000);
    for (int i = queueSize - 1; i >= 0; i--) {
      finalSv4.set(i, pop());
    }
    logger.debug("Took {} us to generate output of {}", watch.elapsed(TimeUnit.MICROSECONDS), finalSv4.getTotalCount());
  }
View Full Code Here
108
109
110
111
112
113
114
115
116
117
118
119
120
121
  public SelectionVector4 getNewSV4(int recordCount) throws SchemaChangeException {

    ByteBuf vector = allocator.buffer((recordCount * 4));

    SelectionVector4 sv4 = new SelectionVector4(vector, recordCount, recordCount);

    // Initialize the vector
    for (int i = 0; i < recordCount; i++) {
      sv4.set(i, INDEX_EMPTY);
    }

    return sv4;
  }
View Full Code Here
130
131
132
133
134
135
136
137
138
    int batchIdx  = keyIndex / HashTable.BATCH_SIZE;
    int offsetIdx = keyIndex % HashTable.BATCH_SIZE;

    assert batchIdx < startIndices.size();

    SelectionVector4 sv4 = startIndices.get(batchIdx);

    return sv4.get(offsetIdx);
  }
View Full Code Here
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
    if (keyIndex >= (HashTable.BATCH_SIZE * startIndices.size())) {
        // allocate a new batch
      addStartIndexBatch();
    }

    SelectionVector4 startIndex = startIndices.get(batchIdx);
    int linkIndex;

    // If head of the list is empty, insert current index at this position
    if ((linkIndex = (startIndex.get(offsetIdx))) == INDEX_EMPTY) {
      startIndex.set(offsetIdx, batchIndex, recordIndex);
    } else {
      /* Head of this list is not empty, if the first link
       * is empty insert there
       */
      batchIdx = linkIndex >>> SHIFT_SIZE;
      offsetIdx = linkIndex & Character.MAX_VALUE;

      SelectionVector4 link = buildInfoList.get(batchIdx).getLinks();
      int firstLink = link.get(offsetIdx);

      if (firstLink == INDEX_EMPTY) {
        link.set(offsetIdx, batchIndex, recordIndex);
      } else {
        /* Insert the current value as the first link and
         * make the current first link as its next
         */
        int firstLinkBatchIdx  = firstLink >>> SHIFT_SIZE;
        int firstLinkOffsetIDx = firstLink & Character.MAX_VALUE;

        SelectionVector4 nextLink = buildInfoList.get(batchIndex).getLinks();
        nextLink.set(recordIndex, firstLinkBatchIdx, firstLinkOffsetIDx);

        link.set(offsetIdx, batchIndex, recordIndex);
      }
    }
  }
View Full Code Here
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
  private void purge() throws SchemaChangeException {
    Stopwatch watch = new Stopwatch();
    watch.start();
    VectorContainer c = priorityQueue.getHyperBatch();
    VectorContainer newContainer = new VectorContainer();
    SelectionVector4 selectionVector4 = priorityQueue.getHeapSv4();
    SimpleRecordBatch batch = new SimpleRecordBatch(c, selectionVector4, context);
    SimpleRecordBatch newBatch = new SimpleRecordBatch(newContainer, null, context);
    if (copier == null) {
      copier = RemovingRecordBatch.getGenerated4Copier(batch, context, oContext.getAllocator(),  newContainer, newBatch);
    } else {
      for(VectorWrapper<?> i : batch){

        ValueVector v = TypeHelper.getNewVector(i.getField(), oContext.getAllocator());
        newContainer.add(v);
      }
      copier.setupRemover(context, batch, newBatch);
    }
    SortRecordBatchBuilder builder = new SortRecordBatchBuilder(oContext.getAllocator(), MAX_SORT_BYTES);
    do {
      int count = selectionVector4.getCount();
      int copiedRecords = copier.copyRecords(0, count);
      assert copiedRecords == count;
      for(VectorWrapper<?> v : newContainer){
        ValueVector.Mutator m = v.getValueVector().getMutator();
        m.setValueCount(count);
      }
      newContainer.buildSchema(BatchSchema.SelectionVectorMode.NONE);
      newContainer.setRecordCount(count);
      builder.add(newBatch);
    } while (selectionVector4.next());
    selectionVector4.clear();
    c.clear();
    VectorContainer newQueue = new VectorContainer();
    builder.canonicalize();
    builder.build(context, newQueue);
    priorityQueue.resetQueue(newQueue, builder.getSv4().createNewWrapperCurrent());
    builder.getSv4().clear();
    selectionVector4.clear();
    logger.debug("Took {} us to purge", watch.elapsed(TimeUnit.MICROSECONDS));
  }
View Full Code Here
114
115
116
117
118
119
120
121
122
123
124
        // set up the multi-batch selection vector
        this.svAllocator = oContext.getAllocator().getNewPreAllocator();
        if (!svAllocator.preAllocate(incoming.getRecordCount()*4))
          throw new SchemaChangeException("Attempted to filter an SV4 which exceeds allowed memory (" +
                                          incoming.getRecordCount() * 4 + " bytes)");
        sv4 = new SelectionVector4(svAllocator.getAllocation(), incoming.getRecordCount(), Character.MAX_VALUE);
        this.filter = generateSV4Filterer();
        break;
      default:
        throw new UnsupportedOperationException();
    }
View Full Code Here
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
  private void purge() throws SchemaChangeException {
    Stopwatch watch = new Stopwatch();
    watch.start();
    VectorContainer c = priorityQueue.getHyperBatch();
    VectorContainer newContainer = new VectorContainer(oContext);
    SelectionVector4 selectionVector4 = priorityQueue.getHeapSv4();
    SimpleRecordBatch batch = new SimpleRecordBatch(c, selectionVector4, context);
    SimpleRecordBatch newBatch = new SimpleRecordBatch(newContainer, null, context);
    if (copier == null) {
      copier = RemovingRecordBatch.getGenerated4Copier(batch, context, oContext.getAllocator(),  newContainer, newBatch);
    } else {
      for (VectorWrapper<?> i : batch) {

        ValueVector v = TypeHelper.getNewVector(i.getField(), oContext.getAllocator());
        newContainer.add(v);
      }
      copier.setupRemover(context, batch, newBatch);
    }
    SortRecordBatchBuilder builder = new SortRecordBatchBuilder(oContext.getAllocator(), MAX_SORT_BYTES);
    do {
      int count = selectionVector4.getCount();
      int copiedRecords = copier.copyRecords(0, count);
      assert copiedRecords == count;
      for (VectorWrapper<?> v : newContainer) {
        ValueVector.Mutator m = v.getValueVector().getMutator();
        m.setValueCount(count);
      }
      newContainer.buildSchema(BatchSchema.SelectionVectorMode.NONE);
      newContainer.setRecordCount(count);
      builder.add(newBatch);
    } while (selectionVector4.next());
    selectionVector4.clear();
    c.clear();
    VectorContainer newQueue = new VectorContainer();
    builder.canonicalize();
    builder.build(context, newQueue);
    priorityQueue.resetQueue(newQueue, builder.getSv4().createNewWrapperCurrent());
    builder.getSv4().clear();
    selectionVector4.clear();
    logger.debug("Took {} us to purge", watch.elapsed(TimeUnit.MICROSECONDS));
  }
View Full Code Here
TOP

Related Classes of org.apache.drill.exec.record.selection.SelectionVector4

  • org.apache.drill.exec.physical.impl.filter.FilterRecordBatch
  • org.apache.drill.exec.physical.impl.join.HashJoinHelper
  • org.apache.drill.exec.physical.impl.join.MergeJoinBatchBuilder
  • org.apache.drill.exec.physical.impl.orderedpartitioner.OrderedPartitionRecordBatch
  • org.apache.drill.exec.physical.impl.sort.SortRecordBatchBuilder
  • org.apache.drill.exec.physical.impl.TopN.PriorityQueueTemplate
  • org.apache.drill.exec.physical.impl.TopN.TopNBatch
  • org.apache.drill.exec.physical.impl.xsort.ExternalSortBatch
  • org.apache.drill.exec.physical.impl.xsort.MSortTemplate
  • org.apache.drill.exec.physical.impl.xsort.PriorityQueueCopierTemplate
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.