org.apache.hadoop.hbase.client.Delete Java Examples

@Test
public void testConvertToDelete() {
  byte[] rowKey = Bytes.add(Bytes.toBytes("GOOG:"), Bytes.toBytes(1000L));
  byte[] cf = Bytes.toBytes("cf1");
  byte[] clordid = Bytes.toBytes("clordid");
  byte[] orderqty = Bytes.toBytes("orderqty");
  byte[] leavesqty = Bytes.toBytes("leavesqty");
  byte[] cumqty = Bytes.toBytes("cumqty");
  Row row = new RowWithSchema(fullSchema, "GOOG", 1000L, "abcd", 100, 10, 5);
  Delete delete = serde.convertToDelete(row);

  Map<byte[], List<Cell>> contents = delete.getFamilyCellMap();

  assertArrayEquals("Row key should be GOOG:1000L", rowKey, delete.getRow());
  assertTrue("Delete contains cf1", contents.containsKey(cf));
  List<Cell> cells = contents.get(cf);
  assertEquals("Delete should have four cells", 4, cells.size());
  assertArrayEquals("Cell 0 should be cf1:clordid", clordid, CellUtil.cloneQualifier(cells.get(0)));
  assertArrayEquals("Cell 1 should be cf1:cumqty", cumqty, CellUtil.cloneQualifier(cells.get(1)));
  assertArrayEquals("Cell 2 should be cf1:leavesqty", leavesqty, CellUtil.cloneQualifier(cells.get(2)));
  assertArrayEquals("Cell 3 should be cf1:orderqty", orderqty, CellUtil.cloneQualifier(cells.get(3)));
}
 

@Override
public Mutation beforeMutate(long rowkeyBase, Mutation m) throws IOException {
  if (!(m instanceof Delete)) {
    if (userNames != null && userNames.length > 0) {
      int mod = ((int) rowkeyBase % this.userNames.length);
      if (((int) rowkeyBase % specialPermCellInsertionFactor) == 0) {
        // These cells cannot be read back when running as user userName[mod]
        if (LOG.isTraceEnabled()) {
          LOG.trace("Adding special perm " + rowkeyBase);
        }
        m.setACL(userNames[mod], new Permission(Permission.Action.WRITE));
      } else {
        m.setACL(userNames[mod], new Permission(Permission.Action.READ));
      }
    }
  }
  return m;
}
 

/**
 * Supports Coprocessor 'bypass'.
 * @param row row to check
 * @param filter filter
 * @param delete delete to commit if check succeeds
 * @return true or false to return to client if default processing should be bypassed, or null
 *   otherwise
 */
public Boolean preCheckAndDelete(final byte [] row, final Filter filter, final Delete delete)
  throws IOException {
  boolean bypassable = true;
  boolean defaultResult = false;
  if (coprocEnvironments.isEmpty()) {
    return null;
  }
  return execOperationWithResult(
    new ObserverOperationWithResult<RegionObserver, Boolean>(regionObserverGetter,
      defaultResult, bypassable) {
      @Override
      public Boolean call(RegionObserver observer) throws IOException {
        return observer.preCheckAndDelete(this, row, filter, delete, getResult());
      }
    });
}
 

@Override
protected void deleteResourceImpl(String resPath, long timestamp) throws IOException {
    Table table = getConnection().getTable(TableName.valueOf(tableName));
    try {
        boolean hdfsResourceExist = isHdfsResourceExist(table, resPath);
        long origLastModified = getResourceLastModified(table, resPath);
        if (checkTimeStampBeforeDelete(origLastModified, timestamp)) {
            Delete del = new Delete(Bytes.toBytes(resPath));
            table.delete(del);

            if (hdfsResourceExist) { // remove hdfs cell value
                deletePushdown(resPath);
            }
        } else {
            throw new IOException("Resource " + resPath + " timestamp not match, [originLastModified: "
                    + origLastModified + ", timestampToDelete: " + timestamp + "]");
        }

    } finally {
        IOUtils.closeQuietly(table);
    }
}
 

@Override
public void preDelete(ObserverContext<RegionCoprocessorEnvironment> e, Delete delete,
    WALEdit edit, boolean writeToWAL) throws IOException {
    if (this.disabled) {
        super.preDelete(e, delete, edit, writeToWAL);
        return;
      }
  try {
    preDeleteWithExceptions(e, delete, edit, writeToWAL);
    return;
  } catch (Throwable t) {
    rethrowIndexingException(t);
  }
  throw new RuntimeException(
      "Somehow didn't return an index update but also didn't propagate the failure to the client!");
}
 

/**
 * Transactional version of {@link Table#batch(List<? extends Row> rows)}
 *
 * @param transaction an instance of transaction to be used
 * @param rows        List of rows that must be instances of Put or Delete
 * @param addShadowCell  denotes whether to add the shadow cell
 * @throws IOException if a remote or network exception occurs
 */
public void batch(Transaction transaction, List<? extends Row> rows, boolean addShadowCells) throws IOException {
    List<Mutation> mutations = new ArrayList<>(rows.size());
    for (Row row : rows) {
        if (row instanceof Put) {
            mutations.add(putInternal(transaction, (Put)row, addShadowCells));
        } else if (row instanceof Delete) {
            Put deleteP = deleteInternal(transaction, (Delete)row);
            if (!deleteP.isEmpty()) {
                mutations.add(deleteP);
            }
        } else {
            throw new UnsupportedOperationException("Unsupported mutation: " + row);
        }
    }
    addMutations(mutations);
}
 

protected void wipeOutMeta() throws IOException {
  // Mess it up by blowing up meta.
  Admin admin = TEST_UTIL.getAdmin();
  Scan s = new Scan();
  Table meta = TEST_UTIL.getConnection().getTable(TableName.META_TABLE_NAME);
  ResultScanner scanner = meta.getScanner(s);
  List<Delete> dels = new ArrayList<>();
  for (Result r : scanner) {
    RegionInfo info =
        CatalogFamilyFormat.getRegionInfo(r);
    if(info != null && !info.getTable().getNamespaceAsString()
        .equals(NamespaceDescriptor.SYSTEM_NAMESPACE_NAME_STR)) {
      Delete d = new Delete(r.getRow());
      dels.add(d);
      admin.unassign(r.getRow(), true);
    }
  }
  meta.delete(dels);
  scanner.close();
  meta.close();
}
 

@Override
public int compare(Mutation o1, Mutation o2) {
    long ts1 = getTimestamp(o1);
    long ts2 = getTimestamp(o2);
    if (ts1 < ts2) {
        return -1;
    }
    if (ts1 > ts2) {
        return 1;
    }
    if (o1 instanceof Put && o2 instanceof Delete) {
        return -1;
    }
    if (o1 instanceof Delete && o2 instanceof Put) {
        return 1;
    }
    return 0;
}
 

/**
  * Get the index deletes from the codec {@link IndexCodec#getIndexDeletes(TableState)} and then
  * add them to the update map.
  * <p>
  * Expects the {@link LocalTableState} to already be correctly setup (correct timestamp, updates
  * applied, etc).
* @throws IOException 
  */
 protected void
     addDeleteUpdatesToMap(IndexUpdateManager updateMap,
     LocalTableState state, long ts) throws IOException {
   Iterable<IndexUpdate> cleanup = codec.getIndexDeletes(state);
   if (cleanup != null) {
     for (IndexUpdate d : cleanup) {
       if (!d.isValid()) {
         continue;
       }
       // override the timestamps in the delete to match the current batch.
       Delete remove = (Delete)d.getUpdate();
       remove.setTimestamp(ts);
       updateMap.addIndexUpdate(d.getTableName(), remove);
     }
   }
 }
 

/**
 * Writes an action (Put or Delete) to the specified table.
 *
 * @param tableName
 *          the table being updated.
 * @param action
 *          the update, either a put or a delete.
 * @throws IllegalArgumentException
 *          if the action is not a put or a delete.
 */
@Override
public void write(ImmutableBytesWritable tableName, Mutation action) throws IOException {
  BufferedMutator mutator = getBufferedMutator(tableName);
  // The actions are not immutable, so we defensively copy them
  if (action instanceof Put) {
    Put put = new Put((Put) action);
    put.setDurability(useWriteAheadLogging ? Durability.SYNC_WAL
        : Durability.SKIP_WAL);
    mutator.mutate(put);
  } else if (action instanceof Delete) {
    Delete delete = new Delete((Delete) action);
    mutator.mutate(delete);
  } else
    throw new IllegalArgumentException(
        "action must be either Delete or Put");
}
 

private void verifyUserDeniedForDeleteMultipleVersions(final User user, final byte[] row,
    final byte[] q1, final byte[] q2) throws IOException, InterruptedException {
  user.runAs(new PrivilegedExceptionAction<Void>() {
    @Override
    public Void run() throws Exception {
      try (Connection connection = ConnectionFactory.createConnection(conf)) {
        try (Table t = connection.getTable(testTable.getTableName())) {
          Delete d = new Delete(row);
          d.addColumns(TEST_FAMILY1, q1);
          d.addColumns(TEST_FAMILY1, q2);
          t.delete(d);
          fail(user.getShortName() + " should not be allowed to delete the row");
        } catch (Exception e) {

        }
      }
      return null;
    }
  });
}
 

@Test
public void testMultiColumnFamilyRowDeleteRollback() throws Exception {
  HTable hTable = createTable(Bytes.toBytes("TestMultColFam"), new byte[][] {TestBytes.family, TestBytes.family2});
  try (TransactionAwareHTable txTable = new TransactionAwareHTable(hTable, TxConstants.ConflictDetection.ROW)) {
    TransactionContext txContext = new TransactionContext(new InMemoryTxSystemClient(txManager), txTable);
    txContext.start();
    txTable.put(new Put(TestBytes.row).add(TestBytes.family, TestBytes.qualifier, TestBytes.value));
    txContext.finish();

    txContext.start();
    //noinspection ConstantConditions
    txContext.getCurrentTransaction().setVisibility(Transaction.VisibilityLevel.SNAPSHOT_ALL);
    Result result = txTable.get(new Get(TestBytes.row));
    Assert.assertEquals(1, result.getFamilyMap(TestBytes.family).size());
    Assert.assertEquals(0, result.getFamilyMap(TestBytes.family2).size());
    txContext.finish();

    //Start a tx, delete the row and then abort the tx
    txContext.start();
    txTable.delete(new Delete(TestBytes.row));
    txContext.abort();

    //Start a tx and scan all the col families to make sure none of them have delete markers
    txContext.start();
    txContext.getCurrentTransaction().setVisibility(Transaction.VisibilityLevel.SNAPSHOT_ALL);
    result = txTable.get(new Get(TestBytes.row));
    Assert.assertEquals(1, result.getFamilyMap(TestBytes.family).size());
    Assert.assertEquals(0, result.getFamilyMap(TestBytes.family2).size());
    txContext.finish();
  }
}
 

/**
 * {@inheritDoc}
 */
@Override
public boolean checkAndDelete(byte[] row, byte[] family, byte[] qualifier, byte[] value, Delete delete)
        throws IOException {
    if (check(row, family, qualifier, value)) {
        delete(delete);
        return true;
    }
    return false;
}
 

private void testDeleteRollback(TxConstants.ConflictDetection conflictDetection) throws Exception {
  String tableName = String.format("%s%s", "TestColFamilyDelete", conflictDetection);
  HTable hTable = createTable(Bytes.toBytes(tableName), new byte[][]{TestBytes.family});
  try (TransactionAwareHTable txTable = new TransactionAwareHTable(hTable, conflictDetection)) {
    TransactionContext txContext = new TransactionContext(new InMemoryTxSystemClient(txManager), txTable);
    txContext.start();
    txTable.put(new Put(TestBytes.row).add(TestBytes.family, TestBytes.qualifier, TestBytes.value));
    txContext.finish();

    // Start a tx, delete the row and then abort the tx
    txContext.start();
    txTable.delete(new Delete(TestBytes.row));
    txContext.abort();

    // Start a tx, delete a column family and then abort the tx
    txContext.start();
    txTable.delete(new Delete(TestBytes.row).deleteFamily(TestBytes.family));
    txContext.abort();

    // Above operations should have no effect on the row, since they were aborted
    txContext.start();
    Get get = new Get(TestBytes.row);
    Result result = txTable.get(get);
    assertFalse(result.isEmpty());
    assertArrayEquals(TestBytes.value, result.getValue(TestBytes.family, TestBytes.qualifier));
    txContext.finish();
  }
}
 

@Override
public void preDelete(final ObserverContext<RegionCoprocessorEnvironment> c,
                      final Delete delete, final WALEdit edit,
                      final Durability durability) throws IOException {
  if (delete.getAttribute(TEST_ATTRIBUTE) == null) {
    throw new DoNotRetryIOException("Delete should preserve attributes");
  }
  if (delete.getDurability() != Durability.USE_DEFAULT) {
    throw new DoNotRetryIOException("Durability is not propagated correctly");
  }
}
 

@Override
public void preDelete(final ObserverContext<RegionCoprocessorEnvironment> c,
                      final Delete delete, final WALEdit edit,
                      final Durability durability) throws IOException {
  if (delete.getAttribute(TEST_ATTRIBUTE) == null) {
    throw new DoNotRetryIOException("Delete should preserve attributes");
  }
  if (delete.getDurability() != Durability.USE_DEFAULT) {
    throw new DoNotRetryIOException("Durability is not propagated correctly");
  }
}
 

@Override
public void deleteCells(String tableName, List<DeleteRequest> deletes) throws IOException {
    List<Delete> deleteRequests = new ArrayList<>();
    for (int index = 0; index < deletes.size(); index++) {
        DeleteRequest req = deletes.get(index);
        Delete delete = new Delete(req.getRowId())
            .addColumn(req.getColumnFamily(), req.getColumnQualifier());
        if (!StringUtils.isEmpty(req.getVisibilityLabel())) {
            delete.setCellVisibility(new CellVisibility(req.getVisibilityLabel()));
        }
        deleteRequests.add(delete);
    }
    batchDelete(tableName, deleteRequests);
}
 

@Test
public void testReadWrite() throws IOException {
  byte[] row = Bytes.toBytes("row");
  byte[] family = Bytes.toBytes("family");
  byte[] qualifier = Bytes.toBytes("qualifier");
  byte[] value = Bytes.toBytes("value");
  long ts = 10;
  Type type = KeyValue.Type.Put;
  ClientKeyValue kv = new ClientKeyValue(wrap(row), wrap(family), wrap(qualifier), ts, type,
      wrap(value));
  validate(kv, row, family, qualifier, ts, type, value);

  type = Type.Delete;
  kv = new ClientKeyValue(wrap(row), wrap(family), wrap(qualifier), ts, type, wrap(value));
  validate(kv, row, family, qualifier, ts, type, value);

  type = Type.DeleteColumn;
  kv = new ClientKeyValue(wrap(row), wrap(family), wrap(qualifier), ts, type, wrap(value));
  validate(kv, row, family, qualifier, ts, type, value);

  type = Type.DeleteFamily;
  kv = new ClientKeyValue(wrap(row), wrap(family), wrap(qualifier), ts, type, wrap(value));
  validate(kv, row, family, qualifier, ts, type, value);

  type = Type.Maximum;
  kv = new ClientKeyValue(wrap(row), wrap(family), wrap(qualifier), ts, type, wrap(value));
  validate(kv, row, family, qualifier, ts, type, value);

  // test a couple different variables, to make sure we aren't faking it
  row = Bytes.toBytes("row-never-seen-before1234");
  family = Bytes.toBytes("family-to-test-more");
  qualifier = Bytes.toBytes("untested-qualifier");
  value = Bytes.toBytes("value-that-we-haven't_tested");
  ts = System.currentTimeMillis();
  kv = new ClientKeyValue(wrap(row), wrap(family), wrap(qualifier), ts, type, wrap(value));
  validate(kv, row, family, qualifier, ts, type, value);
}
 

@Test
public void testPutDeleteOnSameTimeStamp() throws Exception {
    SetupInfo info = setup(TABLE_NAME,
            INDEX_NAME,
            "ROW_KEY VARCHAR, C1 VARCHAR",
            "C1",
            "ROW_KEY",
            "");

    // insert a row
    Put dataPut = new Put(Bytes.toBytes(ROW_KEY));
    addCellToPutMutation(dataPut,
            info.indexMaintainer.getEmptyKeyValueFamily().copyBytesIfNecessary(),
            Bytes.toBytes("C1"),
            1,
            Bytes.toBytes("v1"));
    addEmptyColumnToDataPutMutation(dataPut, info.pDataTable,1);

    // delete column of C1 from the inserted row
    Delete dataDel = new Delete(Bytes.toBytes(ROW_KEY));
    addCellToDelMutation(dataDel,
            info.indexMaintainer.getEmptyKeyValueFamily().copyBytesIfNecessary(),
            Bytes.toBytes("C1"),
            1,
            KeyValue.Type.DeleteColumn);

    List<Mutation> actualIndexMutations = IndexRebuildRegionScanner.prepareIndexMutationsForRebuild(info.indexMaintainer,
            dataPut,
            dataDel);

    List<Mutation> expectedIndexMutations = new ArrayList<>();

    // The dataDel will be applied on top of dataPut when we replay them for index rebuild, when they have the same time stamp.
    // idxPut1 is expected as in data table we still see the row of k1 with empty C1, so we need a row in index table with row key "_k1"
    Put idxPut1 = new Put(generateIndexRowKey(null));
    addEmptyColumnToIndexPutMutation(idxPut1, info.indexMaintainer, 1);
    expectedIndexMutations.add(idxPut1);

    assertEqualMutationList(Arrays.asList((Mutation)idxPut1), actualIndexMutations);
}
 

@Test
public void testDeleteFamilyWithoutCellVisibilityWithMulipleVersions() throws Exception {
  setAuths();
  final TableName tableName = TableName.valueOf(testName.getMethodName());
  try (Table table = doPutsWithoutVisibility(tableName)) {
    TEST_UTIL.getAdmin().flush(tableName);
    PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {
      @Override
      public Void run() throws Exception {
        try (Connection connection = ConnectionFactory.createConnection(conf);
          Table table = connection.getTable(tableName)) {
          Delete d = new Delete(row1);
          d.addFamily(fam);
          table.delete(d);
        } catch (Throwable t) {
          throw new IOException(t);
        }
        return null;
      }
    };
    SUPERUSER.runAs(actiona);

    TEST_UTIL.getAdmin().flush(tableName);
    Scan s = new Scan();
    s.readVersions(5);
    s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
    ResultScanner scanner = table.getScanner(s);
    Result[] next = scanner.next(3);
    assertTrue(next.length == 1);
    // All cells wrt row1 should be deleted as we are not passing the Cell Visibility
    CellScanner cellScanner = next[0].cellScanner();
    cellScanner.advance();
    Cell current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row2, 0, row2.length));
  }
}
 

@Override
public Iterable<IndexUpdate> getIndexDeletes(TableState state, IndexMetaData context, byte[] regionStartKey, byte[] regionEndKey) throws IOException {
    PhoenixIndexMetaData metaData = (PhoenixIndexMetaData)context;
    List<IndexMaintainer> indexMaintainers = metaData.getIndexMaintainers();
    ImmutableBytesWritable ptr = new ImmutableBytesWritable();
    ptr.set(state.getCurrentRowKey());
    List<IndexUpdate> indexUpdates = Lists.newArrayList();
    for (IndexMaintainer maintainer : indexMaintainers) {
        // For transactional tables, we use an index maintainer
        // to aid in rollback if there's a KeyValue column in the index. The alternative would be
        // to hold on to all uncommitted index row keys (even ones already sent to HBase) on the
        // client side.
        Set<ColumnReference> cols = Sets.newHashSet(maintainer.getAllColumns());
        cols.add(new ColumnReference(indexMaintainers.get(0).getDataEmptyKeyValueCF(), indexMaintainers.get(0).getEmptyKeyValueQualifier()));
        Pair<ValueGetter, IndexUpdate> statePair = state.getIndexUpdateState(cols, metaData.getReplayWrite() != null, true, context);
        ValueGetter valueGetter = statePair.getFirst();
        if (valueGetter!=null) {
            IndexUpdate indexUpdate = statePair.getSecond();
            indexUpdate.setTable(maintainer.isLocalIndex() ? tableName : maintainer.getIndexTableName());
            Delete delete = maintainer.buildDeleteMutation(KV_BUILDER, valueGetter, ptr, state.getPendingUpdate(),
                    state.getCurrentTimestamp(), regionStartKey, regionEndKey);
            indexUpdate.setUpdate(delete);
            indexUpdates.add(indexUpdate);
        }
    }
    return indexUpdates;
}
 

/**
 * @return a bunch of {@link WALEdit}s that test a range of serialization possibilities.
 */
private List<WALEdit> getEdits() {
  // Build up a couple of edits
  List<WALEdit> edits = new ArrayList<WALEdit>();
  Put p = new Put(ROW);
  p.add(FAMILY, null, Bytes.toBytes("v1"));

  WALEdit withPut = new WALEdit();
  addMutation(withPut, p, FAMILY);
  edits.add(withPut);

  Delete d = new Delete(ROW);
  d.deleteColumn(FAMILY, null);
  WALEdit withDelete = new WALEdit();
  addMutation(withDelete, d, FAMILY);
  edits.add(withDelete);
  
  WALEdit withPutsAndDeletes = new WALEdit();
  addMutation(withPutsAndDeletes, d, FAMILY);
  addMutation(withPutsAndDeletes, p, FAMILY);
  edits.add(withPutsAndDeletes);
  
  WALEdit justIndexUpdates = new WALEdit();
  byte[] table = Bytes.toBytes("targetTable");
  IndexedKeyValue ikv = new IndexedKeyValue(table, p);
  justIndexUpdates.add(ikv);
  edits.add(justIndexUpdates);

  WALEdit mixed = new WALEdit();
  addMutation(mixed, d, FAMILY);
  mixed.add(ikv);
  addMutation(mixed, p, FAMILY);
  edits.add(mixed);

  return edits;
}
 

@Test
public void testReadWrite() throws Exception {
  // action for checkAndDelete
  AccessTestAction checkAndDeleteAction = new AccessTestAction() {
    @Override
    public Object run() throws Exception {
      Delete d = new Delete(TEST_ROW);
      d.addFamily(TEST_FAMILY);
      try(Connection conn = ConnectionFactory.createConnection(conf);
          Table t = conn.getTable(TEST_TABLE)) {
        t.checkAndMutate(TEST_ROW, TEST_FAMILY).qualifier(TEST_QUALIFIER)
            .ifEquals(Bytes.toBytes("test_value")).thenDelete(d);
      }
      return null;
    }
  };
  verifyReadWrite(checkAndDeleteAction);

  // action for checkAndPut()
  AccessTestAction checkAndPut = new AccessTestAction() {
    @Override
    public Object run() throws Exception {
      Put p = new Put(TEST_ROW);
      p.addColumn(TEST_FAMILY, TEST_QUALIFIER, Bytes.toBytes(1));
      try(Connection conn = ConnectionFactory.createConnection(conf);
          Table t = conn.getTable(TEST_TABLE)) {
        t.checkAndMutate(TEST_ROW, TEST_FAMILY).qualifier(TEST_QUALIFIER)
            .ifEquals(Bytes.toBytes("test_value")).thenPut(p);
      }
      return null;
    }
  };
  verifyReadWrite(checkAndPut);
}
 

public WriteAction(final Delete delete) {
	if (null == delete) {
		throw new IllegalArgumentException(
				"WriteAction requires a Put or a Delete.");
	}
	this.delete = delete;
}
 

private void testDeleteRollback(TxConstants.ConflictDetection conflictDetection) throws Exception {
  String tableName = String.format("%s%s", "TestColFamilyDelete", conflictDetection);
  HTable hTable = createTable(Bytes.toBytes(tableName), new byte[][]{TestBytes.family});
  try (TransactionAwareHTable txTable = new TransactionAwareHTable(hTable, conflictDetection)) {
    TransactionContext txContext = new TransactionContext(new InMemoryTxSystemClient(txManager), txTable);
    txContext.start();
    txTable.put(new Put(TestBytes.row).add(TestBytes.family, TestBytes.qualifier, TestBytes.value));
    txContext.finish();

    // Start a tx, delete the row and then abort the tx
    txContext.start();
    txTable.delete(new Delete(TestBytes.row));
    txContext.abort();

    // Start a tx, delete a column family and then abort the tx
    txContext.start();
    txTable.delete(new Delete(TestBytes.row).deleteFamily(TestBytes.family));
    txContext.abort();

    // Above operations should have no effect on the row, since they were aborted
    txContext.start();
    Get get = new Get(TestBytes.row);
    Result result = txTable.get(get);
    assertFalse(result.isEmpty());
    assertArrayEquals(TestBytes.value, result.getValue(TestBytes.family, TestBytes.qualifier));
    txContext.finish();
  }
}
 

private void cleanUpSnapshotSizes() throws IOException {
  try (Table t = connection.getTable(QuotaTableUtil.QUOTA_TABLE_NAME)) {
    QuotaTableUtil.createDeletesForExistingTableSnapshotSizes(connection);
    List<Delete> deletes =
        QuotaTableUtil.createDeletesForExistingNamespaceSnapshotSizes(connection);
    deletes.addAll(QuotaTableUtil.createDeletesForExistingTableSnapshotSizes(connection));
    t.delete(deletes);
  }
}
 

protected void handleDelete(HTable table, DBObject selector) {
  byte[] row = _translator.createRowKey(selector);
  Delete del = new Delete(row);

  try {
    table.delete(del);
  } catch (IOException e) {
    log.error("Failed trying to delete object at " + row + " in " + table, e);
  }
}
 

@Test
public void testSimpleDeletes() throws Exception {
  HTable primary = createSetupTables(fam1);

  // do a simple Put
  long ts = 10;
  Put p = new Put(row1);
  p.add(FAM, indexed_qualifer, ts, value1);
  p.add(FAM, regular_qualifer, ts, value2);
  primary.put(p);
  primary.flushCommits();

  Delete d = new Delete(row1);
  primary.delete(d);

  HTable index = new HTable(UTIL.getConfiguration(), fam1.getTable());
  List<KeyValue> expected = Collections.<KeyValue> emptyList();
  // scan over all time should cause the delete to be covered
  IndexTestingUtils.verifyIndexTableAtTimestamp(index, expected, 0, Long.MAX_VALUE, value1,
    HConstants.EMPTY_END_ROW);

  // scan at the older timestamp should still show the older value
  List<Pair<byte[], CoveredColumn>> pairs = new ArrayList<Pair<byte[], CoveredColumn>>();
  pairs.add(new Pair<byte[], CoveredColumn>(value1, col1));
  pairs.add(new Pair<byte[], CoveredColumn>(EMPTY_BYTES, col2));
  expected = CoveredColumnIndexCodec.getIndexKeyValueForTesting(row1, ts, pairs);
  IndexTestingUtils.verifyIndexTableAtTimestamp(index, expected, ts, value1);

  // cleanup
  closeAndCleanupTables(index, primary);
}
 

@Test(timeOut = 60_000)
public void testTombstonesAreCleanedUpCase1() throws Exception {
    String TEST_TABLE = "testTombstonesAreCleanedUpCase1";
    createTableIfNotExists(TEST_TABLE, Bytes.toBytes(TEST_FAMILY));
    TTable txTable = new TTable(connection, TEST_TABLE);

    HBaseTransaction tx1 = (HBaseTransaction) tm.begin();
    byte[] rowId = Bytes.toBytes("case1");
    Put p = new Put(rowId);
    p.addColumn(fam, qual, Bytes.toBytes("testValue"));
    txTable.put(tx1, p);
    tm.commit(tx1);

    HBaseTransaction lwmTx = (HBaseTransaction) tm.begin();
    setCompactorLWM(lwmTx.getStartTimestamp(), TEST_TABLE);

    HBaseTransaction tx2 = (HBaseTransaction) tm.begin();
    Delete d = new Delete(rowId);
    d.addColumn(fam, qual);
    txTable.delete(tx2, d);
    tm.commit(tx2);

    TTableCellGetterAdapter getter = new TTableCellGetterAdapter(txTable);
    assertTrue(CellUtils.hasCell(rowId, fam, qual, tx1.getStartTimestamp(), getter),
               "Put cell should be there");
    assertTrue(CellUtils.hasShadowCell(rowId, fam, qual, tx1.getStartTimestamp(), getter),
               "Put shadow cell should be there");
    assertTrue(CellUtils.hasCell(rowId, fam, qual, tx2.getStartTimestamp(), getter),
               "Delete cell should be there");
    assertTrue(CellUtils.hasShadowCell(rowId, fam, qual, tx2.getStartTimestamp(), getter),
               "Delete shadow cell should be there");
}
 

public static RowMutations getDeleteMutations(
    final byte[] rowId,
    final byte[] columnFamily,
    final byte[] columnQualifier,
    final String[] authorizations) throws IOException {
  final RowMutations m = new RowMutations(rowId);
  final Delete d = new Delete(rowId);
  d.addColumns(columnFamily, columnQualifier);
  m.add(d);
  return m;
}