Package org.apache.hadoop.hbase.filter

Examples of org.apache.hadoop.hbase.filter.KeyOnlyFilter

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      ResultScanner rs = null;
      try {
      Scan s = new Scan();
      s.setBatch(2);
      s.addFamily(FAMILY);
      s.setFilter(new KeyOnlyFilter());
      s.setMaxVersions(1);

      rs = table.getScanner(s);
      Result result = rs.next();
      return rs != null && result != null && result.size() > 0;
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      put.add(FAMILY, QUALIFIERS[i], VALUE);
      ht.put(put);
    }
    Scan scan = new Scan();
    scan.addFamily(FAMILY);
    Filter filter = new KeyOnlyFilter(true);
    scan.setFilter(filter);
    ResultScanner scanner = ht.getScanner(scan);
    int count = 0;
    for(Result result : ht.getScanner(scan)) {
      assertEquals(result.size(), 1);
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      put.add(FAMILY, QUALIFIERS[i], VALUE);
      ht.put(put);
    }
    Scan scan = new Scan();
    scan.addFamily(FAMILY);
    Filter filter = new KeyOnlyFilter(true);
    scan.setFilter(filter);
    ResultScanner scanner = ht.getScanner(scan);
    int count = 0;
    for(Result result : ht.getScanner(scan)) {
      assertEquals(result.size(), 1);
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      ht.put(put);
    }
    Scan scan = new Scan();
    scan.setReversed(true);
    scan.addFamily(FAMILY);
    Filter filter = new KeyOnlyFilter(true);
    scan.setFilter(filter);
    ResultScanner scanner = ht.getScanner(scan);
    int count = 0;
    for (Result result : ht.getScanner(scan)) {
      assertEquals(result.size(), 1);
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      put.add(FAMILY, QUALIFIERS[i], VALUE);
      ht.put(put);
    }
    Scan scan = new Scan();
    scan.addFamily(FAMILY);
    Filter filter = new KeyOnlyFilter(true);
    scan.setFilter(filter);
    ResultScanner scanner = ht.getScanner(scan);
    int count = 0;
    for(Result result : ht.getScanner(scan)) {
      assertEquals(result.size(), 1);
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      put.add(FAMILY, QUALIFIERS[i], VALUE);
      ht.put(put);
    }
    Scan scan = new Scan();
    scan.addFamily(FAMILY);
    Filter filter = new KeyOnlyFilter(true);
    scan.setFilter(filter);
    ResultScanner scanner = ht.getScanner(scan);
    int count = 0;
    for(Result result : ht.getScanner(scan)) {
      assertEquals(result.size(), 1);
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      put.add(FAMILY, QUALIFIERS[i], VALUE);
      ht.put(put);
    }
    Scan scan = new Scan();
    scan.addFamily(FAMILY);
    Filter filter = new KeyOnlyFilter(true);
    scan.setFilter(filter);
    ResultScanner scanner = ht.getScanner(scan);
    int count = 0;
    for(Result result : ht.getScanner(scan)) {
      assertEquals(result.size(), 1);
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        HTableInterface hTable = services.getTable(tableRef.getTable().getPhysicalName().getBytes());
        try {
            byte[] minKey = null, maxKey = null;
            // Do a key-only scan to get the first row of a table. This is the min
            // key for the table.
            Scan scan = new Scan(HConstants.EMPTY_START_ROW, new KeyOnlyFilter());
            ResultScanner scanner = hTable.getScanner(scan);
            try {
                Result r = scanner.next();
                if (r != null) {
                    minKey = r.getRow();
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      put.add(FAMILY, QUALIFIERS[i], VALUE);
      ht.put(put);
    }
    Scan scan = new Scan();
    scan.addFamily(FAMILY);
    Filter filter = new KeyOnlyFilter(true);
    scan.setFilter(filter);
    ResultScanner scanner = ht.getScanner(scan);
    int count = 0;
    for(Result result : ht.getScanner(scan)) {
      assertEquals(result.size(), 1);
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      put.add(FAMILY, QUALIFIERS[i], VALUE);
      ht.put(put);
    }
    Scan scan = new Scan();
    scan.addFamily(FAMILY);
    Filter filter = new KeyOnlyFilter(true);
    scan.setFilter(filter);
    ResultScanner scanner = ht.getScanner(scan);
    int count = 0;
    for(Result result : ht.getScanner(scan)) {
      assertEquals(result.size(), 1);
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