public void modifyColumn(final TableName tableName, final HColumnDescriptor descriptor)
throws IOException {
executeCallable(new MasterCallable<Void>(getConnection()) {
@Override
public Void call(int callTimeout) throws ServiceException {
ModifyColumnRequest req = RequestConverter.buildModifyColumnRequest(tableName, descriptor);
master.modifyColumn(null,req);
return null;
}
});
}