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

Class org.apache.hadoop.hbase.client.Scan

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

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

      assertTrue(Bytes.equals(currRow.get(0).getRow(), rowB));
      assertFalse(hasNext);
      scanner.close();


      scan = new Scan(rowD, rowA);
      scan.addColumn(families[0], col2);
      scan.setReversed(true);
      currRow.clear();
      scanner = region.getScanner(scan);
      hasNext = scanner.next(currRow);
      assertEquals(1, currRow.size());

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      ScanAction action = plan.getAction();
      List<ColumnStruct> columnStructs = action.getNotIndexConditionColumns();
      AggregateInfo info = plan.getQueryInfo().getAggregateInfo();
      Scan scan = new Scan();


      scan.addColumn(Bytes.toBytes(info.getField().getFamily()),
          Bytes.toBytes(info.getField().getName()));


      for (ColumnStruct col : columnStructs) {
        if(info.getField().getFamily().equals(col.getFamilyName())
            && info.getField().getName().equals(col.getColumnName())) {

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      for (ColumnStruct col : columnStructs) {
        if(info.getField().getFamily().equals(col.getFamilyName())
            && info.getField().getName().equals(col.getColumnName())) {
          continue;
        }
        scan.addColumn(Bytes.toBytes(col.getFamilyName()),
            Bytes.toBytes(col.getColumnName()));
      }


      FilterList filters = new FilterList();
      // Filter columnNotNullFilter = new SingleColumnValueFilter(

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    Assert.assertFalse(sink.isConfNull());
    sink.stop();
    Assert.assertEquals(7, count);
    HTable table = new HTable(testUtility.getConfiguration(), tableName);
    Scan scan = new Scan();
    scan.addColumn(columnFamily.getBytes(),"test".getBytes());
    scan.setStartRow(Bytes.toBytes(valBase));
    ResultScanner rs = table.getScanner(scan);
    int i = 0;
    try {
      for (Result r = rs.next(); r != null; r = rs.next()) {

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   * @throws IOException
   */
  private byte[][] getResults(HTable table, int numEvents) throws IOException{
    byte[][] results = new byte[numEvents+1][];
    Scan scan = new Scan();
    scan.addColumn(columnFamily.getBytes(),plCol.getBytes());
    scan.setStartRow( Bytes.toBytes("default"));
    ResultScanner rs = table.getScanner(scan);
    byte[] out = null;
    int i = 0;
    try {

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      rs.close();
    }


    Assert.assertEquals(i, results.length - 1);
    scan = new Scan();
    scan.addColumn(columnFamily.getBytes(),inColumn.getBytes());
    scan.setStartRow(Bytes.toBytes("incRow"));
    rs = table.getScanner(scan);
    out = null;
    try {
      for (Result r = rs.next(); r != null; r = rs.next()) {

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   * @throws IOException
   */
  private byte[][] getResults(HTable table, int numEvents) throws IOException{
    byte[][] results = new byte[numEvents+1][];
    Scan scan = new Scan();
    scan.addColumn(columnFamily.getBytes(),plCol.getBytes());
    scan.setStartRow( Bytes.toBytes("default"));
    ResultScanner rs = table.getScanner(scan);
    byte[] out = null;
    int i = 0;
    try {

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      rs.close();
    }


    Assert.assertEquals(i, results.length - 1);
    scan = new Scan();
    scan.addColumn(columnFamily.getBytes(),inColumn.getBytes());
    scan.setStartRow(Bytes.toBytes("incRow"));
    rs = table.getScanner(scan);
    out = null;
    try {
      for (Result r = rs.next(); r != null; r = rs.next()) {

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  }


  @Override
  public <T> T find(String tableName, String family, String qualifier, final ResultsExtractor<T> action) {
    Scan scan = new Scan();
    scan.addColumn(family.getBytes(getCharset()), qualifier.getBytes(getCharset()));
    return find(tableName, scan, action);
  }


  @Override
  public <T> T find(String tableName, final Scan scan, final ResultsExtractor<T> action) {

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  }


  @Override
  public <T> List<T> find(String tableName, String family, String qualifier, final RowMapper<T> action) {
    Scan scan = new Scan();
    scan.addColumn(family.getBytes(getCharset()), qualifier.getBytes(getCharset()));
    return find(tableName, scan, action);
  }


  @Override
  public <T> List<T> find(String tableName, final Scan scan, final RowMapper<T> action) {

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