DriverContext driverCxt = new DriverContext();
ColumnTruncateTask taskExec = new ColumnTruncateTask();
taskExec.initialize(db.getConf(), null, driverCxt);
taskExec.setWork(truncateWork);
taskExec.setQueryPlan(this.getQueryPlan());
return taskExec.execute(driverCxt);
}
String tableName = truncateTableDesc.getTableName();
Map<String, String> partSpec = truncateTableDesc.getPartSpec();