Data for rolling sum

[hcbn]

Hi

Input
Date	dest_id	qty	Case_Qty
03Mar2019	12305	0	12
04Mar2019	12305	0	0
05Mar2019	12305	0	0
06Mar2019	12305	0	0
07Mar2019	12305	0	0
08Mar2019	12305	5	0
09Mar2019	12305	0	0
10Mar2019	12305	0	0
11Mar2019	12305	0	0
12Mar2019	12305	0	0
13Mar2019	12305	0	0
14Mar2019	12305	0	0
15Mar2019	12305	6	0
16Mar2019	12305	0	0
17Mar2019	12305	0	0
18Mar2019	12305	0	0
19Mar2019	12305	0	0
20Mar2019	12305	0	0
21Mar2019	12305	0	0
22Mar2019	12305	4	12
23Mar2019	12305	0	0
03Mar2019	12913	0	12
04Mar2019	12913	0	0
05Mar2019	12913	2	0
06Mar2019	12913	0	0
07Mar2019	12913	0	0
08Mar2019	12913	1	0
09Mar2019	12913	0	0
10Mar2019	12913	0	0
11Mar2019	12913	0	0
12Mar2019	12913	4	0
13Mar2019	12913	0	0
14Mar2019	12913	0	0
15Mar2019	12913	0	0
16Mar2019	12913	0	0
17Mar2019	12913	0	0
18Mar2019	12913	0	0
19Mar2019	12913	2	0
20Mar2019	12913	0	0
21Mar2019	12913	0	0
22Mar2019	12913	5	12
23Mar2019	12913	0	0

Output
Date	dest_id	qty	FCQ
03Mar2019	12305	0	0
04Mar2019	12305	0	0
05Mar2019	12305	0	0
06Mar2019	12305	0	0
07Mar2019	12305	0	0
08Mar2019	12305	5	12
09Mar2019	12305	0	0
10Mar2019	12305	0	0
11Mar2019	12305	0	0
12Mar2019	12305	0	0
13Mar2019	12305	0	0
14Mar2019	12305	0	0
15Mar2019	12305	6	0
16Mar2019	12305	0	0
17Mar2019	12305	0	0
18Mar2019	12305	0	0
19Mar2019	12305	0	0
20Mar2019	12305	0	0
21Mar2019	12305	0	0
22Mar2019	12305	4	12
23Mar2019	12305	0	0
03Mar2019	12913	0	0
04Mar2019	12913	0	0
05Mar2019	12913	2	12
06Mar2019	12913	0	0
07Mar2019	12913	0	0
08Mar2019	12913	1	0
09Mar2019	12913	0	0
10Mar2019	12913	0	0
11Mar2019	12913	0	0
12Mar2019	12913	4	0
13Mar2019	12913	0	0
14Mar2019	12913	0	0
15Mar2019	12913	0	0
16Mar2019	12913	0	0
17Mar2019	12913	0	0
18Mar2019	12913	0	0
19Mar2019	12913	2	0
20Mar2019	12913	0	0
21Mar2019	12913	0	0
22Mar2019	12913	5	12
23Mar2019	12913	0	0

[ballardw]

Any rules involved in this description?

I really am not sure what you want to do.

I don't see any sum involved much less "rolling sum" in the title.