// CountRanges returns the number of ranges that encompass the given key span.
func (ds *DistSender) CountRanges(rs roachpb.RSpan) (int64, *roachpb.Error) {
var count int64
for {
desc, needAnother, _, pErr := ds.getDescriptors(rs, evictionToken{}, false /*useReverseScan*/)
if pErr != nil {
return -1, pErr
}
count++
if !needAnother {
break
}
rs.Key = desc.EndKey
}
return count, nil
}
// CountRanges returns the number of ranges that encompass the given key span.
func (ds *DistSender) CountRanges(rs roachpb.RSpan) (int64, error) {
var count int64
for {
desc, needAnother, _, err := ds.getDescriptors(
context.Background(), rs, nil, false /*useReverseScan*/)
if err != nil {
return -1, err
}
count++
if !needAnother {
break
}
rs.Key = desc.EndKey
}
return count, nil
}