Package org.apache.accumulo.core.client

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

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  }

  private static Scanner createCloneScanner(String tableId, Connector conn) throws TableNotFoundException {
    Scanner mscanner = new IsolatedScanner(conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS));
    mscanner.setRange(new KeyExtent(new Text(tableId), null, null).toMetadataRange());
    mscanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_LAST_LOCATION_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_CLONED_COLUMN_FAMILY);
    Constants.METADATA_PREV_ROW_COLUMN.fetch(mscanner);
    Constants.METADATA_TIME_COLUMN.fetch(mscanner);
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  private static Scanner createCloneScanner(String tableId, Connector conn) throws TableNotFoundException {
    Scanner mscanner = new IsolatedScanner(conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS));
    mscanner.setRange(new KeyExtent(new Text(tableId), null, null).toMetadataRange());
    mscanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_LAST_LOCATION_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_CLONED_COLUMN_FAMILY);
    Constants.METADATA_PREV_ROW_COLUMN.fetch(mscanner);
    Constants.METADATA_TIME_COLUMN.fetch(mscanner);
    return mscanner;
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  private static Scanner createCloneScanner(String tableId, Connector conn) throws TableNotFoundException {
    Scanner mscanner = new IsolatedScanner(conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS));
    mscanner.setRange(new KeyExtent(new Text(tableId), null, null).toMetadataRange());
    mscanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_LAST_LOCATION_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_CLONED_COLUMN_FAMILY);
    Constants.METADATA_PREV_ROW_COLUMN.fetch(mscanner);
    Constants.METADATA_TIME_COLUMN.fetch(mscanner);
    return mscanner;
  }
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    Scanner mscanner = new IsolatedScanner(conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS));
    mscanner.setRange(new KeyExtent(new Text(tableId), null, null).toMetadataRange());
    mscanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_LAST_LOCATION_COLUMN_FAMILY);
    mscanner.fetchColumnFamily(Constants.METADATA_CLONED_COLUMN_FAMILY);
    Constants.METADATA_PREV_ROW_COLUMN.fetch(mscanner);
    Constants.METADATA_TIME_COLUMN.fetch(mscanner);
    return mscanner;
  }
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    }

    // delete the clone markers and create directory entries
    Scanner mscanner = conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
    mscanner.setRange(new KeyExtent(new Text(tableId), null, null).toMetadataRange());
    mscanner.fetchColumnFamily(Constants.METADATA_CLONED_COLUMN_FAMILY);

    int dirCount = 0;

    for (Entry<Key,Value> entry : mscanner) {
      Key k = entry.getKey();
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  }

  public static void removeBulkLoadEntries(Connector conn, String tableId, long tid) throws Exception {
    Scanner mscanner = new IsolatedScanner(conn.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS));
    mscanner.setRange(new KeyExtent(new Text(tableId), null, null).toMetadataRange());
    mscanner.fetchColumnFamily(Constants.METADATA_BULKFILE_COLUMN_FAMILY);
    BatchWriter bw = conn.createBatchWriter(Constants.METADATA_TABLE_NAME, new BatchWriterConfig());
    for (Entry<Key,Value> entry : mscanner) {
      log.debug("Looking at entry " + entry + " with tid " + tid);
      if (Long.parseLong(entry.getValue().toString()) == tid) {
        log.debug("deleting entry " + entry);
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    }
   
    // skip candidates that are still in use in the file column family in
    // the metadata table
    scanner.clearColumns();
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_SCANFILE_COLUMN_FAMILY);
    Constants.METADATA_DIRECTORY_COLUMN.fetch(scanner);
   
    TabletIterator tabletIterator = new TabletIterator(scanner, Constants.METADATA_KEYSPACE, false, true);
   
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    // skip candidates that are still in use in the file column family in
    // the metadata table
    scanner.clearColumns();
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_SCANFILE_COLUMN_FAMILY);
    Constants.METADATA_DIRECTORY_COLUMN.fetch(scanner);
   
    TabletIterator tabletIterator = new TabletIterator(scanner, Constants.METADATA_KEYSPACE, false, true);
   
    while (tabletIterator.hasNext()) {
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    opts.parseArgs(LocalityCheck.class.getName(), args);
   
    FileSystem fs = FileSystem.get(CachedConfiguration.getInstance());
    Connector connector = opts.getConnector();
    Scanner scanner = connector.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
    scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.setRange(Constants.METADATA_KEYSPACE);
   
    Map<String,Long> totalBlocks = new HashMap<String,Long>();
    Map<String,Long> localBlocks = new HashMap<String,Long>();
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    FileSystem fs = FileSystem.get(CachedConfiguration.getInstance());
    Connector connector = opts.getConnector();
    Scanner scanner = connector.createScanner(Constants.METADATA_TABLE_NAME, Constants.NO_AUTHS);
    scanner.fetchColumnFamily(Constants.METADATA_CURRENT_LOCATION_COLUMN_FAMILY);
    scanner.fetchColumnFamily(Constants.METADATA_DATAFILE_COLUMN_FAMILY);
    scanner.setRange(Constants.METADATA_KEYSPACE);
   
    Map<String,Long> totalBlocks = new HashMap<String,Long>();
    Map<String,Long> localBlocks = new HashMap<String,Long>();
    ArrayList<String> files = new ArrayList<String>();
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