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

          }
          count = kvCount.get(qual);


          Get get = new Get(kv.getRow());
          get.setMaxVersions(count);
          get.addColumn(family, qual);


          List<KeyValue> result = get(get, false);


          if (result.size() < count) {
            // Nothing to delete

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    this.writeRequestsCount.increment();
    try {
      RowLock lock = isPut ? ((Put)w).getRowLock() : ((Delete)w).getRowLock();
      Get get = new Get(row, lock);
      checkFamily(family);
      get.addColumn(family, qualifier);


      // Lock row
      Integer lid = getLock(lockId, get.getRow(), true);
      // wait for all previous transactions to complete (with lock held)
      mvcc.completeMemstoreInsert(mvcc.beginMemstoreInsert());

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      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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          List<KeyValue> kvs = new ArrayList<KeyValue>(family.getValue().size());


          // Get previous values for all columns in this family
          Get get = new Get(row);
          for (KeyValue kv : family.getValue()) {
            get.addColumn(family.getKey(), kv.getQualifier());
          }
          List<KeyValue> results = get(get, false);


          // Iterate the input columns and update existing values if they were
          // found, otherwise add new column initialized to the append value

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    //Setting up region
    String method = this.getName();
    this.region = initHRegion(tableName, method, conf, fam1);
    try {
      Get get = new Get(row1);
      get.addColumn(fam2, col1);


      //Test
      try {
        region.get(get, null);
      } catch (DoNotRetryIOException e) {

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          List<KeyValue> kvs = new ArrayList<KeyValue>(family.getValue().size());


          // Get previous values for all columns in this family
          Get get = new Get(row);
          for (Map.Entry<byte [], Long> column : family.getValue().entrySet()) {
            get.addColumn(family.getKey(), column.getKey());
          }
          get.setTimeRange(tr.getMin(), tr.getMax());
          List<KeyValue> results = get(get, false);


          // Iterate the input columns and update existing values if they were

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


        // Get the old value:
        Get get = new Get(row);
        get.addColumn(family, qualifier);


        // we don't want to invoke coprocessor in this case; ICV is wrapped
        // in HRegionServer, so we leave getLastIncrement alone
        List<KeyValue> results = get(get, false);

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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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