create and check deduplication
two inserts with exact data, one inserted, one deduplicated by data digest
0	1000
two inserts with the same dedup token, one inserted, one deduplicated by the token
0	1000
1	1001
update dedup token, two inserts with the same dedup token, one inserted, one deduplicated by the token
0	1000
1	1001
1	1001
reset deduplication token and insert new row
0	1000
1	1001
1	1001
2	1002