.create());
exportOpts.addOption(OptionBuilder.withArgName("col,col,col...")
.hasArg().withDescription("Columns to export to table")
.withLongOpt(COLUMNS_ARG)
.create());
exportOpts.addOption(OptionBuilder.withArgName("name")
.hasArg().withDescription("Set name for generated mapreduce job")
.withLongOpt(MAPREDUCE_JOB_NAME)
.create());
exportOpts.addOption(OptionBuilder.withArgName("n")
.hasArg().withDescription("Use 'n' map tasks to export in parallel")