Package org.apache.accumulo.core.iterators.system

Examples of org.apache.accumulo.core.iterators.system.ColumnFamilySkippingIterator

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        iters.add(imm.compactionIterator());
      }
     
      CountingIterator citr = new CountingIterator(new MultiIterator(iters, extent.toDataRange()));
      DeletingIterator delIter = new DeletingIterator(citr, propogateDeletes);
      ColumnFamilySkippingIterator cfsi = new ColumnFamilySkippingIterator(delIter);
     

      // if(env.getIteratorScope() )
     
      TabletIteratorEnvironment iterEnv;
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  private SortedKeyValueIterator<Key,Value> createSystemIter(Range r, List<SortedKeyValueIterator<Key,Value>> readers, HashSet<Column> columns)
      throws IOException {
    MultiIterator multiIterator = new MultiIterator(readers, false);
    DeletingIterator delIter = new DeletingIterator(multiIterator, false);
    ColumnFamilySkippingIterator cfsi = new ColumnFamilySkippingIterator(delIter);
    ColumnQualifierFilter colFilter = new ColumnQualifierFilter(cfsi, columns);
    VisibilityFilter visFilter = new VisibilityFilter(colFilter, Constants.NO_AUTHS, new byte[0]);
   
    visFilter.seek(r, LocalityGroupUtil.EMPTY_CF_SET, false);
   
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    iters.addAll(mapfiles);
    iters.add(smi);
   
    MultiIterator multiIter = new MultiIterator(iters, ke);
    DeletingIterator delIter = new DeletingIterator(multiIter, false);
    ColumnFamilySkippingIterator cfsi = new ColumnFamilySkippingIterator(delIter);
    ColumnQualifierFilter colFilter = new ColumnQualifierFilter(cfsi, columnSet);
    VisibilityFilter visFilter = new VisibilityFilter(colFilter, authorizations, defaultLabels);
   
    if (useTableIterators)
      return IteratorUtil.loadIterators(IteratorScope.scan, visFilter, ke, conf, ssiList, ssio, null);
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      statsIterator = new StatsIterator(multiIter, TabletServer.seekCount, scannedCount);
     
      DeletingIterator delIter = new DeletingIterator(statsIterator, false);
     
      ColumnFamilySkippingIterator cfsi = new ColumnFamilySkippingIterator(delIter);
     
      ColumnQualifierFilter colFilter = new ColumnQualifierFilter(cfsi, options.columnSet);
     
      VisibilityFilter visFilter = new VisibilityFilter(colFilter, options.authorizations, options.defaultLabels);
     
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    for (int i = 0; i < 20; i++) {
      mutate(imm, "r2", "foo:cq" + i, 3, "bar" + i);
    }
   
    MemoryIterator ski1 = imm.skvIterator();
    ColumnFamilySkippingIterator cfsi = new ColumnFamilySkippingIterator(ski1);
   
    imm.delete(0);
   
    ArrayList<ByteSequence> columns = new ArrayList<ByteSequence>();
    columns.add(new ArrayByteSequence("bar"));
   
    // this seek resulted in an infinite loop before a bug was fixed
    cfsi.seek(new Range("r1"), columns, true);
   
    assertFalse(cfsi.hasTop());
   
    ski1.close();
  }
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      statsIterator = new StatsIterator(multiIter, TabletServer.seekCount, scannedCount);

      DeletingIterator delIter = new DeletingIterator(statsIterator, false);

      ColumnFamilySkippingIterator cfsi = new ColumnFamilySkippingIterator(delIter);

      ColumnQualifierFilter colFilter = new ColumnQualifierFilter(cfsi, options.columnSet);

      VisibilityFilter visFilter = new VisibilityFilter(colFilter, options.authorizations, options.defaultLabels);
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    for (int i = 0; i < 20; i++) {
      mutate(imm, "r2", "foo:cq" + i, 3, "bar" + i);
    }

    MemoryIterator ski1 = imm.skvIterator();
    ColumnFamilySkippingIterator cfsi = new ColumnFamilySkippingIterator(ski1);

    imm.delete(0);

    ArrayList<ByteSequence> columns = new ArrayList<ByteSequence>();
    columns.add(new ArrayByteSequence("bar"));

    // this seek resulted in an infinite loop before a bug was fixed
    cfsi.seek(new Range("r1"), columns, true);

    assertFalse(cfsi.hasTop());

    ski1.close();
  }
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    OfflineIteratorEnvironment iterEnv = new OfflineIteratorEnvironment();
   
    DeletingIterator delIter = new DeletingIterator(multiIter, false);
   
    ColumnFamilySkippingIterator cfsi = new ColumnFamilySkippingIterator(delIter);
   
    ColumnQualifierFilter colFilter = new ColumnQualifierFilter(cfsi, new HashSet<Column>(options.fetchedColumns));
   
    byte[] defaultSecurityLabel;
   
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    FSDataInputStream in2 = new FSDataInputStream(bais);
    CachableBlockFile.Reader _cbr = new CachableBlockFile.Reader(in2, data.length, CachedConfiguration.getInstance());
    Reader reader = new RFile.Reader(_cbr);
    checkIndex(reader);
   
    ColumnFamilySkippingIterator iter = new ColumnFamilySkippingIterator(reader);
   
    for (int start : new int[] {0, 10, 100, 998}) {
      for (int cf = 1; cf <= 4; cf++) {
        if (start == 0)
          iter.seek(new Range(), ncfs(nf("cf_", cf)), true);
        else
          iter.seek(new Range(nf("r_", start), null), ncfs(nf("cf_", cf)), true);
       
        for (int i = start; i < 1000; i++) {
          assertTrue(iter.hasTop());
          assertEquals(nk(nf("r_", i), nf("cf_", cf), nf("cq_", 0), "", 1000 - i), iter.getTopKey());
          assertEquals(nv(i + ""), iter.getTopValue());
          iter.next();
        }
       
        assertFalse(iter.hasTop());
      }
     
      if (start == 0)
        iter.seek(new Range(), ncfs(), false);
      else
        iter.seek(new Range(nf("r_", start), null), ncfs(), false);
     
      for (int i = start; i < 1000; i++) {
        for (int cf = 1; cf <= 4; cf++) {
          assertTrue(iter.hasTop());
          assertEquals(nk(nf("r_", i), nf("cf_", cf), nf("cq_", 0), "", 1000 - i), iter.getTopKey());
          assertEquals(nv(i + ""), iter.getTopValue());
          iter.next();
        }
      }
     
      assertFalse(iter.hasTop());
    }
   
    reader.close();
  }
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      byte[] data = baos.toByteArray();
      bais = new SeekableByteArrayInputStream(data);
      in = new FSDataInputStream(bais);
      CachableBlockFile.Reader _cbr = new CachableBlockFile.Reader(in, data.length, conf);
      reader = new RFile.Reader(_cbr);
      iter = new ColumnFamilySkippingIterator(reader);
     
      checkIndex(reader);
    }
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Related Classes of org.apache.accumulo.core.iterators.system.ColumnFamilySkippingIterator

  • org.apache.accumulo.core.client.impl.OfflineIterator
  • org.apache.accumulo.core.client.mock.MockScannerBase
  • org.apache.accumulo.core.data.ByteSequence
  • org.apache.accumulo.core.data.Key
  • org.apache.accumulo.core.data.Range
  • org.apache.accumulo.core.file.rfile.RFileTest
  • org.apache.accumulo.core.file.rfile.RFileTest$TestRFile
  • org.apache.accumulo.core.iterators.system.ColumnFamilySkippingIteratorTest
  • org.apache.accumulo.core.iterators.user.LargeRowFilterTest
  • org.apache.accumulo.core.iterators.user.RowDeletingIteratorTest
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