Package org.apache.accumulo.core.client

Examples of org.apache.accumulo.core.client.Scanner.fetchColumn()

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          scanner.setRange(range);
        }
        if (opts.columns != null) {
          for (ScanColumn col : opts.columns) {
            if (col.isSetColQualifier())
              scanner.fetchColumn(ByteBufferUtil.toText(col.colFamily), ByteBufferUtil.toText(col.colQualifier));
            else
              scanner.fetchColumnFamily(ByteBufferUtil.toText(col.colFamily));
          }
        }
      }
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    Scanner scanner = conn.createScanner(table, Authorizations.EMPTY);
   
    if (!cq)
      scanner.fetchColumnFamily(new Text(cfset.get(15)));
    else
      scanner.fetchColumn(new Text(cfset.get(15)), new Text(cfset.get(15)));

    long t1 = System.currentTimeMillis();
   
    @SuppressWarnings("unused")
    int count = 0;
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        Scanner scanner = connector.createScanner(opts.getTableName(), labelAuths);
        scanner.setBatchSize(scanOpts.scanBatchSize);
        scanner.setRange(new Range(startKey, endKey));
        for (int j = 0; j < opts.cols; j++) {
          scanner.fetchColumn(new Text(opts.columnFamily), new Text("col_" + String.format("%07d", j)));
        }

        int recsReadBefore = recsRead;

        for (Entry<Key,Value> entry : scanner) {
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      // setup a scanner within the bounds of this split
      for (Pair<Text,Text> c : columns) {
        if (c.getSecond() != null) {
          log.debug("Fetching column " + c.getFirst() + ":" + c.getSecond());
          scanner.fetchColumn(c.getFirst(), c.getSecond());
        } else {
          log.debug("Fetching column family " + c.getFirst());
          scanner.fetchColumnFamily(c.getFirst());
        }
      }
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    cm5.put("tx", "seq", "3");
    Assert.assertEquals(Status.REJECTED, cw.write(cm5).getStatus());

    // ensure rejected mutations did not write
    Scanner scanner = conn.createScanner(tableName, Authorizations.EMPTY);
    scanner.fetchColumn(new Text("name"), new Text("last"));
    scanner.setRange(new Range("99006"));
    Assert.assertEquals("Doe", scanner.iterator().next().getValue().toString());

    // test w/ two conditions that are met
    ConditionalMutation cm6 = new ConditionalMutation("99006", new Condition("tx", "seq").setValue("2"), new Condition("name", "last").setValue("Doe"));
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    Assert.assertEquals(Status.ACCEPTED, cw.write(cm0).getStatus());

    Scanner scanner = conn.createScanner(tableName, auths);
    scanner.setRange(new Range("99006"));
    // TODO verify all columns
    scanner.fetchColumn(new Text("tx"), new Text("seq"));
    Entry<Key,Value> entry = scanner.iterator().next();
    Assert.assertEquals("1", entry.getValue().toString());
    long ts = entry.getKey().getTimestamp();

    // test wrong colf
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    VersioningIterator.setMaxVersions(iterConfig3, 1);

    Scanner scanner = conn.createScanner(tableName, new Authorizations());
    scanner.addScanIterator(iterConfig);
    scanner.setRange(new Range("ACCUMULO-1000"));
    scanner.fetchColumn(new Text("count"), new Text("comments"));

    Assert.assertEquals("3", scanner.iterator().next().getValue().toString());

    ConditionalWriter cw = conn.createConditionalWriter(tableName, new ConditionalWriterConfig());
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    }

    Assert.assertEquals(3, count);

    Scanner scanner = conn.createScanner(tableName, new Authorizations("A"));
    scanner.fetchColumn(new Text("tx"), new Text("seq"));

    for (String row : new String[] {"99006", "59056", "19059"}) {
      scanner.setRange(new Range(row));
      Assert.assertEquals("1", scanner.iterator().next().getValue().toString());
    }
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    scanner.setRange(new Range("99006"));
    Assert.assertEquals("2", scanner.iterator().next().getValue().toString());

    scanner.clearColumns();
    scanner.fetchColumn(new Text("name"), new Text("last"));
    Assert.assertEquals("Doe", scanner.iterator().next().getValue().toString());

    cw.close();
  }
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    }

    Assert.assertEquals(4, rows.size());

    Scanner scanner = conn.createScanner(tableName, new Authorizations("A"));
    scanner.fetchColumn(new Text("tx"), new Text("seq"));

    Iterator<Entry<Key,Value>> iter = scanner.iterator();
    Assert.assertEquals("1", iter.next().getValue().toString());
    Assert.assertFalse(iter.hasNext());
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