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

    checkResources();
    splitsAndClosesLock.readLock().lock();
    try {
      Get get = new Get(row, put.getRowLock());
      checkFamily(family);
      get.addColumn(family, qualifier);


      byte [] now = Bytes.toBytes(System.currentTimeMillis());


      // Lock row
      Integer lid = getLock(lockId, get.getRow());

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    try {
      Store store = stores.get(family);


      // Get the old value:
      Get get = new Get(row);
      get.addColumn(family, qualifier);
      List<KeyValue> results = new ArrayList<KeyValue>();
      NavigableSet<byte[]> qualifiers = new TreeSet<byte[]>(Bytes.BYTES_COMPARATOR);
      qualifiers.add(qualifier);
      store.get(get, qualifiers, results);

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    Set<MetaRegion> regions = regionManager.getMetaRegionsForTable(tableName);
    for (MetaRegion m: regions) {
      byte [] metaRegionName = m.getRegionName();
      HRegionInterface srvr = connection.getHRegionConnection(m.getServer());
      Get get = new Get(regionName);
      get.addColumn(CATALOG_FAMILY, REGIONINFO_QUALIFIER);
      get.addColumn(CATALOG_FAMILY, SERVER_QUALIFIER);
      Result data = srvr.get(metaRegionName, get);
      if(data == null || data.size() <= 0) continue;
      HRegionInfo info = Writables.getHRegionInfo(
          data.getValue(CATALOG_FAMILY, REGIONINFO_QUALIFIER));

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    for (MetaRegion m: regions) {
      byte [] metaRegionName = m.getRegionName();
      HRegionInterface srvr = connection.getHRegionConnection(m.getServer());
      Get get = new Get(regionName);
      get.addColumn(CATALOG_FAMILY, REGIONINFO_QUALIFIER);
      get.addColumn(CATALOG_FAMILY, SERVER_QUALIFIER);
      Result data = srvr.get(metaRegionName, get);
      if(data == null || data.size() <= 0) continue;
      HRegionInfo info = Writables.getHRegionInfo(
          data.getValue(CATALOG_FAMILY, REGIONINFO_QUALIFIER));
      byte [] value = data.getValue(CATALOG_FAMILY, SERVER_QUALIFIER);

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    // from the one we inserted up there, and a new one
    assertEquals(2, this.store.memstore.kvset.size());


    // how many key/values for this row are there?
    Get get = new Get(row);
    get.addColumn(family, qf1);
    get.setMaxVersions(); // all versions.
    List<Cell> results = new ArrayList<Cell>();


    results = HBaseTestingUtility.getFromStoreFile(store, get);
    assertEquals(2, results.size());

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    // the second TS should be TS=2 or higher., even though 'time=1' right now.




    // how many key/values for this row are there?
    Get get = new Get(row);
    get.addColumn(family, qf1);
    get.setMaxVersions(); // all versions.
    List<Cell> results = new ArrayList<Cell>();


    results = HBaseTestingUtility.getFromStoreFile(store, get);
    assertEquals(2, results.size());

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      this.store.add(KeyValueUtil.ensureKeyValue(kv));
    }


    List<Cell> result;
    Get get = new Get(Bytes.toBytes(1));
    get.addColumn(family,qf1);


    get.setTimeRange(0,15);
    result = HBaseTestingUtility.getFromStoreFile(store, get);
    assertTrue(result.size()>0);

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                         byte [] familiy,
                         byte[] qualifier,
                         long 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];
    long r = Bytes.toLong(CellUtil.cloneValue(kv));

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          val1), put, true);
      assertEquals(true, res);
      store.memstore.kvset.size();


      Get get = new Get(row1);
      get.addColumn(fam2, qf1);
      Cell[] actual = region.get(get).rawCells();


      Cell[] expected = { kv };


      assertEquals(expected.length, actual.length);

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      boolean res = region.checkAndMutate(row1, fam1, qf1, CompareOp.EQUAL, new BinaryComparator(
          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));

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