db space ---- accepts 1 arg(s), received 0 # covers the whole 4.sst db space --start=a --end=z ../testdata/db-stage-4 ---- 709 # covers from left of 4.sst to its only data block db space --start=a --end=bar ../testdata/db-stage-4 ---- 62 # covers from 4.sst's only data block to its right db space --start=foo --end=z ../testdata/db-stage-4 ---- 62 # covers non-overlapping range to left of 4.sst db space --start=a --end=a ../testdata/db-stage-4 ---- 0 # covers non-overlapping range to right of 4.sst db space --start=z --end=z ../testdata/db-stage-4 ---- 0