| id,name,id,prod_name,point | |
| ------------------------------- | |
| 1,user1,1,abc,0.2 | |
| 1,user1,1,abc,0.2 | |
| 2,user2,2,def,0.4 | |
| 2,user2,2,def,0.4 | |
| 3,user3,3,ghi,0.6 | |
| 3,user3,3,ghi,0.6 | |
| 4,user4,4,jkl,0.8 | |
| 4,user4,4,jkl,0.8 | |
| 6,user6,null,null,null | |
| null,null,5,mno,1.0 | |
| null,null,5,mno,1.0 |