Package org.apache.accumulo.core.client

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

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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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    }
   
    String user = state.getConnector().whoami();
    Authorizations auths = state.getConnector().securityOperations().getUserAuthorizations(user);
    Scanner scanner = state.getConnector().createScanner(Setup.getTableName(), auths);
    scanner.fetchColumnFamily(BulkPlusOne.CHECK_COLUMN_FAMILY);
    for (Entry<Key,Value> entry : scanner) {
      byte[] value = entry.getValue().get();
      if (!Arrays.equals(value, zero)) {
        throw new Exception("Bad key at " + entry);
      }
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        throw new Exception("Bad key at " + entry);
      }
    }
   
    scanner.clearColumns();
    scanner.fetchColumnFamily(BulkPlusOne.MARKER_CF);
    RowIterator rowIter = new RowIterator(scanner);
   
    while (rowIter.hasNext()) {
      Iterator<Entry<Key,Value>> row = rowIter.next();
      long prev = 0;
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  public static void main(String args[]) throws Exception {
    ClientOnRequiredTable opts = new ClientOnRequiredTable();
    opts.parseArgs(Verify.class.getName(), args);
    Scanner scanner = opts.getConnector().createScanner(opts.tableName, opts.auths);
    scanner.fetchColumnFamily(BulkPlusOne.CHECK_COLUMN_FAMILY);
    Text startBadRow = null;
    Text lastBadRow = null;
    Value currentBadValue = null;
    for (Entry<Key,Value> entry : scanner) {
      // System.out.println("Entry: " + entry);
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  @Override
  public void visit(State state, Properties props) throws Exception {
    log.debug("checking balance");
    Map<String,Long> counts = new HashMap<String,Long>();
    Scanner scanner = state.getConnector().createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
    scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
    for (Entry<Key,Value> entry : scanner) {
      String location = entry.getKey().getColumnQualifier().toString();
      Long count = counts.get(location);
      if (count == null)
        count = Long.valueOf(0);
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    Scanner metaScanner = conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
    metaScanner.setRange(new KeyExtent(new Text(tableInfo.tableID), null, null).toMetadataRange());
   
    // scan for locations
    metaScanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
    metaScanner.fetchColumnFamily(Constants.METADATA_FUTURE_LOCATION_COLUMN_FAMILY);
   
    if (metaScanner.iterator().hasNext()) {
      return 500;
    }
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    Scanner metaScanner = conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
    metaScanner.setRange(new KeyExtent(new Text(tableInfo.tableID), null, null).toMetadataRange());
   
    // scan for locations
    metaScanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
    metaScanner.fetchColumnFamily(Constants.METADATA_FUTURE_LOCATION_COLUMN_FAMILY);
   
    if (metaScanner.iterator().hasNext()) {
      return 500;
    }
   
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    }
   
    // use the same range to check for walogs that we used to check for hosted (or future hosted) tablets
    // this is done as a separate scan after we check for locations, because walogs are okay only if there is no location
    metaScanner.clearColumns();
    metaScanner.fetchColumnFamily(Constants.METADATA_LOG_COLUMN_FAMILY);
   
    if (metaScanner.iterator().hasNext()) {
      throw new ThriftTableOperationException(tableInfo.tableID, tableInfo.tableName, TableOperation.EXPORT, TableOperationExceptionType.OTHER,
          "Write ahead logs found for table");
    }
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    zipOut.putNextEntry(new ZipEntry(Constants.EXPORT_METADATA_FILE));
   
    Map<String,String> uniqueFiles = new HashMap<String,String>();
   
    Scanner metaScanner = conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
    metaScanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    Constants.METADATA_PREV_ROW_COLUMN.fetch(metaScanner);
    Constants.METADATA_TIME_COLUMN.fetch(metaScanner);
    metaScanner.setRange(new KeyExtent(new Text(tableID), null, null).toMetadataRange());
   
    for (Entry<Key,Value> entry : metaScanner) {
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    FileSystem fs = FileSystem.get(CachedConfiguration.getInstance());
    Connector connector = opts.getConnector();
    Scanner metadata = connector.createScanner(Constants.METADATA_TABLE_NAME, opts.auths);
    metadata.setBatchSize(scanOpts.scanBatchSize);
    metadata.setRange(Constants.METADATA_KEYSPACE);
    metadata.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    int count = 0;
    int missing = 0;
    BatchWriter writer = null;
    if (opts.fix)
      writer = connector.createBatchWriter(Constants.METADATA_TABLE_NAME, bwOpts.getBatchWriterConfig());
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