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

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


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


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

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    //Setting up region
    String method = this.getName();
    initHRegion(tableName, method, fam1);
    
    Get get = new Get(row1);
    get.addColumn(fam2, col1);
    
    //Test
    try {
      region.get(get, null);
    } catch (NoSuchColumnFamilyException 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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    Put put = new Put(HConstants.EMPTY_START_ROW);
    put.add(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER, null);
    region.put(put);
    
    Get get = new Get(HConstants.EMPTY_START_ROW);
    get.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);


    //Expected result
    KeyValue kv1 = new KeyValue(HConstants.EMPTY_START_ROW,
        HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
    KeyValue [] expected = {kv1};

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    long result = region.incrementColumnValue(row, fam1, qual3, amount, true);
    assertEquals(amount, result);


    Get get = new Get(row);
    get.addColumn(fam1, qual3);
    Result rr = region.get(get, null);
    assertEquals(1, rr.size());


    // ensure none of the other cols were incremented.
    assertICV(row, fam1, qual1, value);

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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, null);
    assertEquals(1, result.size());


    KeyValue kv = result.raw()[0];
    long r = Bytes.toLong(kv.getValue());

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  throws IOException {
    for(int i=startRow; i<startRow + numRows; i++) {
      byte [] row = Bytes.toBytes("" + i);
      Get get = new Get(row);
      for(byte [] family : families) {
        get.addColumn(family, qf);
      }
      Result result = newReg.get(get, null);
      KeyValue [] raw = result.sorted();
      assertEquals(families.length, result.size());
      for(int j=0; j<families.length; j++) {

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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<KeyValue> results = new ArrayList<KeyValue>();


    NavigableSet<byte[]> cols = new TreeSet<byte[]>();
    cols.add(qf1);

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  /** Use get to retrieve the HRegionInfo and validate it */
  private void getRegionInfo() throws IOException {
    Get get = new Get(ROW_KEY);
    get.addColumn(HConstants.CATALOG_FAMILY, HConstants.REGIONINFO_QUALIFIER);
    Result result = region.get(get, null);
    byte [] bytes = result.value();
    validateRegionInfo(bytes);  
  }

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