Package org.apache.hadoop.hbase.client

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

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    byte [] metaRegionName = m.getRegionName();
    HRegionInterface srvr = connection.getHRegionConnection(m.getServer());
    byte[] firstRowInTable = Bytes.toBytes(tableName + ",,");
    Scan scan = new Scan(firstRowInTable);
    scan.addColumn(CATALOG_FAMILY, REGIONINFO_QUALIFIER);
    long scannerid = srvr.openScanner(metaRegionName, scan);
    try {
      Result data = srvr.next(scannerid);
      if (data != null && data.size() > 0) {
        HRegionInfo info = Writables.getHRegionInfo(
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    byte [] firstRowInTable = Bytes.toBytes(Bytes.toString(tableName) + ",,");
    for (MetaRegion m: regions) {
      byte [] metaRegionName = m.getRegionName();
      HRegionInterface srvr = connection.getHRegionConnection(m.getServer());
      Scan scan = new Scan(firstRowInTable);
      scan.addColumn(CATALOG_FAMILY, REGIONINFO_QUALIFIER);
      scan.addColumn(CATALOG_FAMILY, SERVER_QUALIFIER);
      long scannerid = srvr.openScanner(metaRegionName, scan);
      try {
        while (true) {
          Result data = srvr.next(scannerid);
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    for (MetaRegion m: regions) {
      byte [] metaRegionName = m.getRegionName();
      HRegionInterface srvr = connection.getHRegionConnection(m.getServer());
      Scan scan = new Scan(firstRowInTable);
      scan.addColumn(CATALOG_FAMILY, REGIONINFO_QUALIFIER);
      scan.addColumn(CATALOG_FAMILY, SERVER_QUALIFIER);
      long scannerid = srvr.openScanner(metaRegionName, scan);
      try {
        while (true) {
          Result data = srvr.next(scannerid);
          if (data == null || data.size() <= 0)
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    for (MetaRegion m: regions) {
      byte [] firstRowInTable = Bytes.toBytes(Bytes.toString(tableName) + ",,");
      byte [] metaRegionName = m.getRegionName();
      HRegionInterface srvr = connection.getHRegionConnection(m.getServer());
      Scan scan = new Scan(firstRowInTable);
      scan.addColumn(CATALOG_FAMILY, REGIONINFO_QUALIFIER);
      scan.addColumn(CATALOG_FAMILY, SERVER_QUALIFIER);
      long scannerid = srvr.openScanner(metaRegionName, scan);
      try {
        while (true) {
          Result data = srvr.next(scannerid);
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      byte [] firstRowInTable = Bytes.toBytes(Bytes.toString(tableName) + ",,");
      byte [] metaRegionName = m.getRegionName();
      HRegionInterface srvr = connection.getHRegionConnection(m.getServer());
      Scan scan = new Scan(firstRowInTable);
      scan.addColumn(CATALOG_FAMILY, REGIONINFO_QUALIFIER);
      scan.addColumn(CATALOG_FAMILY, SERVER_QUALIFIER);
      long scannerid = srvr.openScanner(metaRegionName, scan);
      try {
        while (true) {
          Result data = srvr.next(scannerid);
          if (data == null || data.size() <= 0)
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    expected.add(kv23);
    expected.add(kv22);
   
    Scan scan = new Scan(row1);
    scan.addColumn(fam1, qf1);
    scan.addColumn(fam1, qf2);
    int versions = 3;
    scan.setMaxVersions(versions);
    List<KeyValue> actual = new ArrayList<KeyValue>();
    InternalScanner scanner = region.getScanner(scan);
   
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    put.add(family, col1, Bytes.toBytes(40L));
    region.put(put);

    Scan scan = new Scan(row3, row4);
    scan.setMaxVersions();
    scan.addColumn(family, col1);
    InternalScanner s = region.getScanner(scan);

    List<KeyValue> results = new ArrayList<KeyValue>();
    assertEquals(false, s.next(results));
    assertEquals(0, results.size());
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      public void process(long now, HRegion region,
          List<KeyValue> mutations, WALEdit walEdit) throws IOException {
        // Scan current counter
        List<Cell> kvs = new ArrayList<Cell>();
        Scan scan = new Scan(row, row);
        scan.addColumn(FAM, COUNTER);
        doScan(region, scan, kvs);
        counter = kvs.size() == 0 ? 0 :
          Bytes.toInt(CellUtil.cloneValue(kvs.iterator().next()));

        // Assert counter value
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      public void process(long now, HRegion region,
          List<KeyValue> mutations, WALEdit walEdit) throws IOException {
        List<Cell> kvs = new ArrayList<Cell>();
        { // First scan to get friends of the person
          Scan scan = new Scan(row, row);
          scan.addColumn(FAM, person);
          doScan(region, scan, kvs);
        }

        // Second scan to get friends of friends
        Scan scan = new Scan(row, row);
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        // Second scan to get friends of friends
        Scan scan = new Scan(row, row);
        for (Cell kv : kvs) {
          byte[] friends = CellUtil.cloneValue(kv);
          for (byte f : friends) {
            scan.addColumn(FAM, new byte[]{f});
          }
        }
        doScan(region, scan, kvs);

        // Collect result
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