Package org.apache.hadoop.hbase.client

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

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      }
    }

    // TEST - Disable and delete the column family
    admin.disableTable(TABLENAME);
    admin.deleteColumn(TABLENAME.getName(), "cf2");

    // 5 - Check if only 2 column families exist in the descriptor
    HTableDescriptor afterhtd = admin.getTableDescriptor(TABLENAME);
    assertEquals(2, afterhtd.getColumnFamilies().length);
    HColumnDescriptor[] newFamilies = afterhtd.getColumnFamilies();
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      admin.addColumn(LABELS_TABLE_NAME, hcd);
      fail("Lables table should not get altered by user.");
    } catch (Exception e) {
    }
    try {
      admin.deleteColumn(LABELS_TABLE_NAME, VisibilityConstants.LABELS_TABLE_FAMILY);
      fail("Lables table should not get altered by user.");
    } catch (Exception e) {
    }
    try {
      HColumnDescriptor hcd = new HColumnDescriptor(VisibilityConstants.LABELS_TABLE_FAMILY);
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    // delete column
    assertFalse("No column family deleted yet", cp.wasDeleteColumnCalled());
    assertFalse("Delete table column handler should not be called.",
        cp.wasDeleteColumnHandlerCalled());
    admin.deleteColumn(TEST_TABLE, TEST_FAMILY2);
    HTableDescriptor tableDesc = admin.getTableDescriptor(TEST_TABLE);
    assertNull("'"+Bytes.toString(TEST_FAMILY2)+"' should have been removed",
        tableDesc.getFamily(TEST_FAMILY2));
    assertTrue("Coprocessor should have been called on column delete",
        cp.wasDeleteColumnCalled());
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      admin.addColumn(LABELS_TABLE_NAME, hcd);
      fail("Lables table should not get altered by user.");
    } catch (Exception e) {
    }
    try {
      admin.deleteColumn(LABELS_TABLE_NAME, VisibilityConstants.LABELS_TABLE_FAMILY);
      fail("Lables table should not get altered by user.");
    } catch (Exception e) {
    }
    try {
      HColumnDescriptor hcd = new HColumnDescriptor(VisibilityConstants.LABELS_TABLE_FAMILY);
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    admin.disableTable(TEST_TABLE);
    assertTrue(admin.isTableDisabled(TEST_TABLE));

    // delete column
    assertFalse("No column family deleted yet", cp.wasDeleteColumnCalled());
    admin.deleteColumn(TEST_TABLE, TEST_FAMILY2);
    HTableDescriptor tableDesc = admin.getTableDescriptor(TEST_TABLE);
    assertNull("'"+Bytes.toString(TEST_FAMILY2)+"' should have been removed",
        tableDesc.getFamily(TEST_FAMILY2));
    assertTrue("Coprocessor should have been called on column delete",
        cp.wasDeleteColumnCalled());
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    admin.disableTable(TEST_TABLE);
    assertTrue(admin.isTableDisabled(TEST_TABLE));

    // delete column
    assertFalse("No column family deleted yet", cp.wasDeleteColumnCalled());
    admin.deleteColumn(TEST_TABLE, TEST_FAMILY2);
    HTableDescriptor tableDesc = admin.getTableDescriptor(TEST_TABLE);
    assertNull("'"+Bytes.toString(TEST_FAMILY2)+"' should have been removed",
        tableDesc.getFamily(TEST_FAMILY2));
    assertTrue("Coprocessor should have been called on column delete",
        cp.wasDeleteColumnCalled());
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