Examples of org.apache.hadoop.hbase.client.Get.addColumn()

Class org.apache.hadoop.hbase.client.Get

Examples of org.apache.hadoop.hbase.client.Get.addColumn()

org.apache.hadoop.hbase.client.Get.addColumn()
Get the column from the specific family with the specified qualifier.
Overrides previous calls to addFamily for this family. @param family family name @param qualifier column qualifier @return the Get objec

          val2), delete, true);
      assertEquals(true, res);


      Get get = new Get(row1);
      get.addColumn(fam1, qf1);
      get.addColumn(fam1, qf3);
      get.addColumn(fam2, qf2);
      Result r = region.get(get);
      assertEquals(2, r.size());
      assertArrayEquals(val1, r.getValue(fam1, qf1));
      assertArrayEquals(val2, r.getValue(fam2, qf2));

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      assertEquals(true, res);


      Get get = new Get(row1);
      get.addColumn(fam1, qf1);
      get.addColumn(fam1, qf3);
      get.addColumn(fam2, qf2);
      Result r = region.get(get);
      assertEquals(2, r.size());
      assertArrayEquals(val1, r.getValue(fam1, qf1));
      assertArrayEquals(val2, r.getValue(fam2, qf2));

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      put.add(fam1, qual1, value2);
      region.put(put);


      // ok get:
      Get get = new Get(row);
      get.addColumn(fam1, qual1);


      Result r = region.get(get);
      assertEquals(1, r.size());
      assertArrayEquals(value2, r.getValue(fam1, qual1));

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    // Setting up region
    String method = this.getName();
    this.region = initHRegion(tableName, method, conf, fam1);
    try {
      Get get = new Get(row1);
      get.addColumn(fam2, col1);


      // Test
      try {
        region.get(get);
      } catch (org.apache.hadoop.hbase.DoNotRetryIOException e) {

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      put.add(fam1, col4, null);
      put.add(fam1, col5, null);
      region.put(put);


      Get get = new Get(row1);
      get.addColumn(fam1, col2);
      get.addColumn(fam1, col4);
      // Expected result
      KeyValue kv1 = new KeyValue(row1, fam1, col2);
      KeyValue kv2 = new KeyValue(row1, fam1, col4);
      KeyValue[] expected = { kv1, kv2 };

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      put.add(fam1, col5, null);
      region.put(put);


      Get get = new Get(row1);
      get.addColumn(fam1, col2);
      get.addColumn(fam1, col4);
      // Expected result
      KeyValue kv1 = new KeyValue(row1, fam1, col2);
      KeyValue kv2 = new KeyValue(row1, fam1, col4);
      KeyValue[] expected = { kv1, kv2 };

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  private void assertICV(byte[] row, byte[] familiy, byte[] qualifier, int amount)
      throws IOException {
    // run a get and see?
    Get get = new Get(row);
    get.addColumn(familiy, qualifier);
    Result result = region.get(get);
    assertEquals(1, result.size());


    Cell kv = result.rawCells()[0];
    int r = Bytes.toInt(CellUtil.cloneValue(kv));

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      region.delete(del);
      region.flushcache();


      // Get remaining rows (should have none)
      Get get = new Get(row);
      get.addColumn(familyName, col);


      Cell[] keyValues = region.get(get).rawCells();
      assertTrue(keyValues.length == 0);
    } finally {
      HRegion.closeHRegion(this.region);

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    incrementDone.set(true);
    flushThread.join();


    Get get = new Get(Incrementer.incRow);
    get.addColumn(Incrementer.family, Incrementer.qualifier);
    get.setMaxVersions(1);
    Result res = this.region.get(get);
    List<Cell> kvs = res.getColumnCells(Incrementer.family, Incrementer.qualifier);


    // we just got the latest version

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    appendDone.set(true);
    flushThread.join();


    Get get = new Get(Appender.appendRow);
    get.addColumn(Appender.family, Appender.qualifier);
    get.setMaxVersions(1);
    Result res = this.region.get(get);
    List<Cell> kvs = res.getColumnCells(Appender.family, Appender.qualifier);


    // we just got the latest version

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