Doublons dans sample_set_membership
mysql> select * from sample_set_membership where sequence_file_id = 131448;
+--------+---------------+------------------+
| id | sample_set_id | sequence_file_id |
+--------+---------------+------------------+
| 181702 | 63663 | 131448 |
| 181703 | 63663 | 131448 |
| 181704 | 63663 | 131448 |
| 181705 | 63663 | 131448 |
| 181706 | 63663 | 131448 |
| 181707 | 63663 | 131448 |
| 181708 | 63663 | 131448 |
| 181709 | 63663 | 131448 |
| 181710 | 63663 | 131448 |
| 181711 | 63663 | 131448 |
| 181712 | 63663 | 131448 |
+--------+---------------+------------------+
Quel est l'origine de ces doublons ?