@Test(timeout = 120000)
  public void testChangeTable() throws Exception {
    HTableDescriptor hdt = HTU.createTableDescriptor("testChangeTable");
    hdt.setRegionReplication(NB_SERVERS);
    hdt.addCoprocessor(SlowMeCopro.class.getName());
    Table table = HTU.createTable(hdt, new byte[][] {f}, HTU.getConfiguration());

    // basic test: it should work.
    Put p = new Put(row);
    p.add(f, row, row);
    table.put(p);

    Get g = new Get(row);
    Result r = table.get(g);
    Assert.assertFalse(r.isStale());

    // Add a CF, it should work.
    HTableDescriptor bHdt = HTU.getHBaseAdmin().getTableDescriptor(hdt.getTableName());
    HColumnDescriptor hcd = new HColumnDescriptor(row);
    hdt.addFamily(hcd);
    HTU.getHBaseAdmin().disableTable(hdt.getTableName());
    HTU.getHBaseAdmin().modifyTable(hdt.getTableName(), hdt);
    HTU.getHBaseAdmin().enableTable(hdt.getTableName());
    HTableDescriptor nHdt = HTU.getHBaseAdmin().getTableDescriptor(hdt.getTableName());
    Assert.assertEquals(
        "fams=" + Arrays.toString(nHdt.getColumnFamilies()),
        bHdt.getColumnFamilies().length + 1,
        nHdt.getColumnFamilies().length);

    p = new Put(row);
    p.add(row, row, row);
    table.put(p);

    g = new Get(row);
    r = table.get(g);
    Assert.assertFalse(r.isStale());

    try {
      SlowMeCopro.cdl.set(new CountDownLatch(1));
      g = new Get(row);
      g.setConsistency(Consistency.TIMELINE);
      r = table.get(g);
      Assert.assertTrue(r.isStale());
    } finally {
      SlowMeCopro.cdl.get().countDown();
      SlowMeCopro.sleepTime.set(0);
    }

    Admin admin = HTU.getHBaseAdmin();
    nHdt = admin.getTableDescriptor(hdt.getTableName());
    Assert.assertEquals(
        "fams=" + Arrays.toString(nHdt.getColumnFamilies()),
        bHdt.getColumnFamilies().length + 1,
        nHdt.getColumnFamilies().length);

    admin.disableTable(hdt.getTableName());
    admin.deleteTable(hdt.getTableName());
    admin.close();
  }
Example #2
0
 public boolean removeTable(String tableName) {
   try {
     Admin admin = connection.getAdmin();
     TableName t = TableName.valueOf(tableName);
     if (admin.tableExists(t)) {
       admin.disableTable(t);
       admin.deleteTable(t);
       return true;
     }
   } catch (IOException e) {
     e.printStackTrace();
   }
   return false;
 }
  @BeforeClass
  public static void setUpBeforeClass() throws Exception {
    conf = HBaseConfiguration.create();
    conf.setStrings(
        CoprocessorHost.USER_REGION_COPROCESSOR_CONF_KEY, TestCoprocessor.class.getName());
    util = new HBaseTestingUtility(conf);
    util.startMiniCluster();

    Admin admin = util.getAdmin();
    if (admin.tableExists(tableName)) {
      if (admin.isTableEnabled(tableName)) {
        admin.disableTable(tableName);
      }
      admin.deleteTable(tableName);
    }
    Table ht = util.createTable(tableName, new byte[][] {dummy, test});

    Put p = new Put(row1);
    p.addColumn(dummy, dummy, dummy);
    ht.put(p);
  }
    @Override
    void perform() throws IOException {

      HTableDescriptor selected = selectTable(disabledTables);
      if (selected == null) {
        return;
      }

      Admin admin = connection.getAdmin();
      try {
        TableName tableName = selected.getTableName();
        LOG.info("Deleting table :" + selected);
        admin.deleteTable(tableName);
        Assert.assertFalse("Table: " + selected + " was not deleted", admin.tableExists(tableName));
        deletedTables.put(tableName, selected);
        LOG.info("Deleted table :" + selected);
      } catch (Exception e) {
        LOG.warn("Caught exception in action: " + this.getClass());
        throw e;
      } finally {
        admin.close();
      }
      verifyTables();
    }
 @After
 public void tearDown() throws Exception {
   admin.disableTable(TableName.valueOf(tableName));
   admin.deleteTable(TableName.valueOf(tableName));
   admin.close();
 }