Package org.apache.hadoop.hbase.client

Examples of org.apache.hadoop.hbase.client.Admin.deleteTable()

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  public void tearDown() throws IOException {
    LOG.info("Cleaning up after test.");
    Admin admin = util.getHBaseAdmin();
    if (admin.tableExists(TABLE_NAME)) {
      if (admin.isTableEnabled(TABLE_NAME)) admin.disableTable(TABLE_NAME);
      admin.deleteTable(TABLE_NAME);
    }
    LOG.info("Restoring cluster.");
    util.restoreCluster();
    LOG.info("Cluster restored.");
  }
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      admin.disableTable(LABELS_TABLE_NAME);
      fail("Lables table should not get disabled by user.");
    } catch (Exception e) {
    }
    try {
      admin.deleteTable(LABELS_TABLE_NAME);
      fail("Lables table should not get disabled by user.");
    } catch (Exception e) {
    }
    try {
      HColumnDescriptor hcd = new HColumnDescriptor("testFamily");
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  @Before
  public void before() throws Exception  {
    Admin admin = TEST_UTIL.getHBaseAdmin();
    if (admin.tableExists(TABLE)) {
      if (admin.isTableEnabled(TABLE)) admin.disableTable(TABLE);
      admin.deleteTable(TABLE);
    }
    HTableDescriptor htd = new HTableDescriptor(TABLE);
    htd.addFamily(new HColumnDescriptor(COLUMN_1).setMaxVersions(3));
    htd.addFamily(new HColumnDescriptor(COLUMN_2).setMaxVersions(3));
    htd.addFamily(new HColumnDescriptor(COLUMN_3).setMaxVersions(3));
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      modifiedHtd.addFamily(new HColumnDescriptor(FAMILY_0));
      modifiedHtd.addFamily(new HColumnDescriptor(FAMILY_1));
      admin.modifyTable(TABLE_NAME, modifiedHtd);
      verifyTableDescriptor(TABLE_NAME, FAMILY_0, FAMILY_1);
    } finally {
      admin.deleteTable(TABLE_NAME);
    }
  }

  @Test
  public void testAddColumn() throws IOException {
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      // Modify the table removing one family and verify the descriptor
      admin.addColumn(TABLE_NAME, new HColumnDescriptor(FAMILY_1));
      verifyTableDescriptor(TABLE_NAME, FAMILY_0, FAMILY_1);
    } finally {
      admin.deleteTable(TABLE_NAME);
    }
  }

  @Test
  public void testDeleteColumn() throws IOException {
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      // Modify the table removing one family and verify the descriptor
      admin.deleteColumn(TABLE_NAME, FAMILY_1);
      verifyTableDescriptor(TABLE_NAME, FAMILY_0);
    } finally {
      admin.deleteTable(TABLE_NAME);
    }
  }

  private void verifyTableDescriptor(final TableName tableName,
                                     final byte[]... families) throws IOException {
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      @Override
      public Object call() throws Exception {
        Admin admin = TEST_UTIL.getHBaseAdmin();
        admin.disableTable(TABLE_NAME);
        assertTrue(admin.isTableDisabled(TABLE_NAME));
        admin.deleteTable(TABLE_NAME);
        assertFalse(admin.tableExists(TABLE_NAME));
        return null;
      }
    });
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  public void testDelete() throws Exception {
    prepareMiniCluster();

    Admin admin = TEST_UTIL.getHBaseAdmin();
    admin.disableTable(TABLE_NAME);
    admin.deleteTable(TABLE_NAME);

    //ensure that znode for the table node has been deleted
    final ZooKeeperWatcher zkWatcher = TEST_UTIL.getZooKeeperWatcher();
    final String znode = ZKUtil.joinZNode(zkWatcher.tableLockZNode, TABLE_NAME.getNameAsString());
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  public void testCompactionOverride() throws Exception {
    TableName compactTable = TableName.valueOf("TestCompactionOverride");
    Admin admin = util.getHBaseAdmin();
    if (admin.tableExists(compactTable)) {
      admin.disableTable(compactTable);
      admin.deleteTable(compactTable);
    }

    HTableDescriptor htd = new HTableDescriptor(compactTable);
    htd.addFamily(new HColumnDescriptor(A));
    htd.addCoprocessor(EvenOnlyCompactor.class.getName());
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        if (table != null) {
          table.close();
        }
        // delete the table
        admin.disableTable(tableName);
        admin.deleteTable(tableName);
      }
    }
  }

  @Test
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