define set a 1 snapshot 1 set b 2 snapshot 2 set c 3 snapshot 3 ---- iter snapshot=1 first next prev ---- a:1 . a:1 iter snapshot=2 first next next prev ---- a:1 b:2 . b:2 iter snapshot=3 first next next next prev ---- a:1 b:2 c:3 . c:3 define set a 1 snapshot 1 set a 2 snapshot 2 set a 3 snapshot 3 ---- iter snapshot=1 first next prev ---- a:1 . a:1 iter snapshot=2 first next prev ---- a:2 . a:2 iter snapshot=3 first next prev ---- a:3 . a:3 define set a 1 snapshot 1 set a 2 snapshot 2 set a 3 snapshot 3 compact a-b ---- iter snapshot=1 first next prev ---- a:1 . a:1 iter snapshot=2 first next prev ---- a:2 . a:2 iter snapshot=3 first next prev ---- a:3 . a:3 define merge a 1 snapshot 1 merge a 2 snapshot 2 merge a 3 snapshot 3 compact a-b ---- iter snapshot=1 first next prev ---- a:1 . a:1 iter snapshot=2 first next prev ---- a:12 . a:12 iter snapshot=3 first next prev ---- a:123 . a:123 # Fix for #2705. levelIter encounters two files where the first has seqnum # below snapshot seqnum, so obsolete points can be hidden. The second file has # a more recent seqnum so obsolete points cannot be hidden. But the in-place # modification of the filters slice was causing obsolete points to be hidden # in the second file. define block-size=1 set a 1 compact a-b set c 2 snapshot 1 set c 3 compact c-d ---- db-state ---- 6: 000005:[a#10,SET-a#10,SET] 000007:[c#12,SET-c#11,SET] iter snapshot=1 first next next ---- a:1 c:2 .