options.setMergeNewPath(new Path(warehouse, "merge-new").toString());
options.setMergeKeyCol("ID");
options.setTargetDir(new Path(warehouse, "merge-final").toString());
options.setClassName(MERGE_CLASS_NAME);
MergeTool mergeTool = new MergeTool();
Sqoop merger = new Sqoop(mergeTool, options.getConf(), options);
ret = Sqoop.runSqoop(merger, new String[0]);
if (0 != ret) {
fail("Merge failed with exit code " + ret);
}