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

Class org.apache.hadoop.hbase.client.Admin

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

org.apache.hadoop.hbase.client.Admin.modifyColumn()
Modify an existing column family on a table. Asynchronous operation. @param tableName name of table @param descriptor new column descriptor to use @throws IOException if a remote or network exception occurs

      cp.preAddColumnCalledOnly());


    // modify a column family
    HColumnDescriptor hcd1 = new HColumnDescriptor(TEST_FAMILY2);
    hcd1.setMaxVersions(25);
    admin.modifyColumn(TEST_TABLE, hcd1);
    assertTrue("Second column family should be modified",
      cp.preModifyColumnCalledOnly());


    // truncate table
    admin.truncateTable(TEST_TABLE, false);

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        cp.wasAddColumnHandlerCalled());


    // modify a column family
    HColumnDescriptor hcd = new HColumnDescriptor(TEST_FAMILY2);
    hcd.setMaxVersions(25);
    admin.modifyColumn(TEST_TABLE, hcd);
    assertTrue("Second column family should be modified",
        cp.wasModifyColumnCalled());
    assertTrue("Modify table handler should be called.",
        cp.wasModifyColumnHandlerCalled());

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    for (HColumnDescriptor columnDescriptor: tableDescriptor.getColumnFamilies()) {
      columnDescriptor.setEncryptionType("AES");
      LOG.info("Updating CF schema for " + getTablename() + "." +
        columnDescriptor.getNameAsString());
      admin.disableTable(getTablename());
      admin.modifyColumn(getTablename(), columnDescriptor);
      admin.enableTable(getTablename());
      util.waitFor(30000, 1000, true, new Predicate<IOException>() {
        @Override
        public boolean evaluate() throws IOException {
          return admin.isTableAvailable(getTablename());

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          new SecretKeySpec(keyBytes, cipher.getName())));
      }
      if (isNewCf) {
        admin.addColumn(tableName, columnDesc);
      } else {
        admin.modifyColumn(tableName, columnDesc);
      }
    }
    LOG.info("Enabling table " + tableName);
    admin.enableTable(tableName);
    admin.close();

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    } catch (Exception e) {
    }
    try {
      HColumnDescriptor hcd = new HColumnDescriptor(VisibilityConstants.LABELS_TABLE_FAMILY);
      hcd.setBloomFilterType(BloomType.ROWCOL);
      admin.modifyColumn(LABELS_TABLE_NAME, hcd);
      fail("Lables table should not get altered by user.");
    } catch (Exception e) {
    }
    try {
      HTableDescriptor htd = new HTableDescriptor(LABELS_TABLE_NAME);

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    for (HColumnDescriptor columnDescriptor: tableDescriptor.getColumnFamilies()) {
      columnDescriptor.setEncryptionType("AES");
      LOG.info("Updating CF schema for " + getTablename() + "." +
        columnDescriptor.getNameAsString());
      admin.disableTable(getTablename());
      admin.modifyColumn(getTablename(), columnDescriptor);
      admin.enableTable(getTablename());
      util.waitFor(30000, 1000, true, new Predicate<IOException>() {
        @Override
        public boolean evaluate() throws IOException {
          return admin.isTableAvailable(getTablename());

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          new SecretKeySpec(keyBytes, cipher.getName())));
      }
      if (isNewCf) {
        admin.addColumn(tableName, columnDesc);
      } else {
        admin.modifyColumn(tableName, columnDesc);
      }
    }
    LOG.info("Enabling table " + tableName);
    admin.enableTable(tableName);
    admin.close();

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      cp.preAddColumnCalledOnly());


    // modify a column family
    HColumnDescriptor hcd1 = new HColumnDescriptor(TEST_FAMILY2);
    hcd1.setMaxVersions(25);
    admin.modifyColumn(TEST_TABLE, hcd1);
    assertTrue("Second column family should be modified",
      cp.preModifyColumnCalledOnly());


    // truncate table
    admin.truncateTable(TEST_TABLE, false);

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        cp.wasAddColumnHandlerCalled());


    // modify a column family
    HColumnDescriptor hcd = new HColumnDescriptor(TEST_FAMILY2);
    hcd.setMaxVersions(25);
    admin.modifyColumn(TEST_TABLE, hcd);
    assertTrue("Second column family should be modified",
        cp.wasModifyColumnCalled());
    assertTrue("Modify table handler should be called.",
        cp.wasModifyColumnHandlerCalled());

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