以下是我的normalizer输出
ID VALUE GCID
3 12345 1
3 123456 2
3 1234 3
3 IG 4
3 5/5/2015 5
3 5/10/2015 6
4 34567 1
4 456789 2
4 23467 3
4 IG 4
4 5/5/2015 5
4 5/10/2015 6
如何获得以下输出?
ID VALUE GCID DATE1 DATE2
3 12345 1 5/5/2015 5/10/2015
3 123456 2 5/5/2015 5/10/2015
3 1234 3 5/5/2015 5/10/2015
4 34567 1 5/5/2015 5/10/2015
4 456789 2 5/5/2015 5/10/2015
4 23467 3 5/5/2015 5/10/2015