Examples of org.apache.hadoop.hbase.client.HBaseAdmin.addColumn()

Class org.apache.hadoop.hbase.client.HBaseAdmin

Examples of org.apache.hadoop.hbase.client.HBaseAdmin.addColumn()

org.apache.hadoop.hbase.client.HBaseAdmin.addColumn()
Add a column to an existing table. Asynchronous operation. @param tableName name of the table to add column to @param column column descriptor of column to be added @throws IOException if a remote or network exception occurs

    // preModifyTable can't bypass default action.
    assertTrue("Test table should have been modified",
      cp.wasModifyTableCalled());


    // add a column family
    admin.addColumn(TEST_TABLE, new HColumnDescriptor(TEST_FAMILY2));
    assertTrue("New column family shouldn't have been added to test table",
      cp.preAddColumnCalledOnly());


    // modify a column family
    HColumnDescriptor hcd1 = new HColumnDescriptor(TEST_FAMILY2);

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    modifyTableSync(admin, TEST_TABLE, htd);
    assertTrue("Test table should have been modified",
        cp.wasModifyTableCalled());


    // add a column family
    admin.addColumn(TEST_TABLE, new HColumnDescriptor(TEST_FAMILY2));
    assertTrue("New column family should have been added to test table",
        cp.wasAddColumnCalled());


    // modify a column family
    HColumnDescriptor hcd = new HColumnDescriptor(TEST_FAMILY2);

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     HTableDescriptor wordcount = new HTableDescriptor(TABLE_NAME);
     hbase.createTable(wordcount);
     // Cannot edit a stucture on an active table.
     hbase.disableTable(TABLE_NAME);
     HColumnDescriptor columnFamily = new HColumnDescriptor(COLUMN_FAMILY);
     hbase.addColumn(TABLE_NAME, columnFamily);
     hbase.enableTable(TABLE_NAME);
     
     hbase.close();
   }

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      }
      if (inMemoryCF) {
        columnDesc.setInMemory(inMemoryCF);
      }
      if (isNewCf) {
        admin.addColumn(tableName, columnDesc);
      } else {
        admin.modifyColumn(tableName, columnDesc);
      }
    }
    LOG.info("Enabling table " + tableName);

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      }
      if (inMemoryCF) {
        columnDesc.setInMemory(inMemoryCF);
      }
      if (isNewCf) {
        admin.addColumn(tableName, columnDesc);
      } else {
        admin.modifyColumn(tableName, columnDesc);
      }
    }
    LOG.info("Enabling table " + Bytes.toString(tableName));

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    // preModifyTable can't bypass default action.
    assertTrue("Test table should have been modified",
      cp.wasModifyTableCalled());


    // add a column family
    admin.addColumn(TEST_TABLE, new HColumnDescriptor(TEST_FAMILY2));
    assertTrue("New column family shouldn't have been added to test table",
      cp.preAddColumnCalledOnly());


    // modify a column family
    HColumnDescriptor hcd1 = new HColumnDescriptor(TEST_FAMILY2);

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    modifyTableSync(admin, TEST_TABLE, htd);
    assertTrue("Test table should have been modified",
        cp.wasModifyTableCalled());


    // add a column family
    admin.addColumn(TEST_TABLE, new HColumnDescriptor(TEST_FAMILY2));
    assertTrue("New column family should have been added to test table",
        cp.wasAddColumnCalled());


    // modify a column family
    HColumnDescriptor hcd = new HColumnDescriptor(TEST_FAMILY2);

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    try {
      // Verify the table descriptor
      verifyTableDescriptor(TABLE_NAME, FAMILY_0);


      // 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);
    }
  }

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      if (!tableDesc.hasFamily(familyBytes)) {
        if (options.getCreateHBaseTable()) {
          // Create the column family.
          LOG.info("Creating missing column family " + familyName);
          admin.disableTable(tableName);
          admin.addColumn(tableName, colDesc);
          admin.enableTable(tableName);
        } else {
          LOG.warn("Could not find column family " + familyName + " in table "
            + tableName);
          LOG.warn("This job may fail. Either create the column family,");

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        columnDesc.setEncryptionKey(EncryptionUtil.wrapKey(conf,
          User.getCurrent().getShortName(),
          new SecretKeySpec(keyBytes, cipher.getName())));
      }
      if (isNewCf) {
        admin.addColumn(tableName, columnDesc);
      } else {
        admin.modifyColumn(tableName, columnDesc);
      }
    }
    LOG.info("Enabling table " + tableName);

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