Package org.apache.accumulo.core.client

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

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      scanner = conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
    } catch (Exception e) {
      throw new MergeException(e);
    }
    scanner.setRange(new KeyExtent(new Text(tableId), end, start).toMetadataRange());
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    Constants.METADATA_PREV_ROW_COLUMN.fetch(scanner);
    final Iterator<Entry<Key,Value>> iterator = scanner.iterator();
   
    Iterator<Size> result = new Iterator<Size>() {
      Size next = fetch();
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    String tableId = isTid ? table : Tables.getNameToIdMap(instance).get(table);
   
    Scanner scanner = instance.getConnector(credentials.getPrincipal(), CredentialHelper.extractToken(credentials)).createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
   
    Constants.METADATA_PREV_ROW_COLUMN.fetch(scanner);
    scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
   
    // position at first entry in metadata table for given table
    KeyExtent ke = new KeyExtent(new Text(tableId), new Text(), null);
    Key startKey = new Key(ke.getMetadataEntry());
    ke = new KeyExtent(new Text(tableId), null, null);
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        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());
        }
      }

      scanner.setRange(split.getRange());
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        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));
          }
        }
      }
     
      UUID uuid = UUID.randomUUID();
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        startRow = new Text();

      Range metadataRange = new Range(new KeyExtent(new Text(tableId), startRow, null).getMetadataEntry(), true, null, false);
      Scanner scanner = conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
      Constants.METADATA_PREV_ROW_COLUMN.fetch(scanner);
      scanner.fetchColumnFamily(Constants.METADATA_LAST_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_FUTURE_LOCATION_COLUMN_FAMILY);
      scanner.setRange(metadataRange);

      RowIterator rowIter = new RowIterator(scanner);
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      Range metadataRange = new Range(new KeyExtent(new Text(tableId), startRow, null).getMetadataEntry(), true, null, false);
      Scanner scanner = conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
      Constants.METADATA_PREV_ROW_COLUMN.fetch(scanner);
      scanner.fetchColumnFamily(Constants.METADATA_LAST_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_FUTURE_LOCATION_COLUMN_FAMILY);
      scanner.setRange(metadataRange);

      RowIterator rowIter = new RowIterator(scanner);
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      Range metadataRange = new Range(new KeyExtent(new Text(tableId), startRow, null).getMetadataEntry(), true, null, false);
      Scanner scanner = conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
      Constants.METADATA_PREV_ROW_COLUMN.fetch(scanner);
      scanner.fetchColumnFamily(Constants.METADATA_LAST_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_FUTURE_LOCATION_COLUMN_FAMILY);
      scanner.setRange(metadataRange);

      RowIterator rowIter = new RowIterator(scanner);

      KeyExtent lastExtent = null;
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        startRow = new Text();

      Range metadataRange = new Range(new KeyExtent(new Text(tableId), startRow, null).getMetadataEntry(), true, null, false);
      Scanner scanner = conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
      Constants.METADATA_PREV_ROW_COLUMN.fetch(scanner);
      scanner.fetchColumnFamily(Constants.METADATA_LAST_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_FUTURE_LOCATION_COLUMN_FAMILY);
      scanner.setRange(metadataRange);

      RowIterator rowIter = new RowIterator(scanner);
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      Range metadataRange = new Range(new KeyExtent(new Text(tableId), startRow, null).getMetadataEntry(), true, null, false);
      Scanner scanner = conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
      Constants.METADATA_PREV_ROW_COLUMN.fetch(scanner);
      scanner.fetchColumnFamily(Constants.METADATA_LAST_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_FUTURE_LOCATION_COLUMN_FAMILY);
      scanner.setRange(metadataRange);

      RowIterator rowIter = new RowIterator(scanner);
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      Range metadataRange = new Range(new KeyExtent(new Text(tableId), startRow, null).getMetadataEntry(), true, null, false);
      Scanner scanner = conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
      Constants.METADATA_PREV_ROW_COLUMN.fetch(scanner);
      scanner.fetchColumnFamily(Constants.METADATA_LAST_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
      scanner.fetchColumnFamily(Constants.METADATA_FUTURE_LOCATION_COLUMN_FAMILY);
      scanner.setRange(metadataRange);

      RowIterator rowIter = new RowIterator(scanner);

      KeyExtent lastExtent = null;
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