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  1. Kudu
  2. KUDU-1663

Clean-up in-code documentation for KuduScanner::ReadMode and KuduClient::GetLatestObservedTimestamp

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 1.0.0
    • Fix Version/s: 1.1.0
    • Component/s: api, client, documentation
    • Labels:
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      Description

      After reading the in-line doc for the subj. entities, one would expect the scanner from the following code to do its job on reading-what-you-have-written:

      const uint64_t snapshot_timestamp = client->GetLatestObservedTimestamp();
      
      KuduScanner scanner(table.get());
      RETURN_NOT_OK(scanner.SetSnapshotRaw(snapshot_timestamp));
      RETURN_NOT_OK(scanner.SetSelection(KuduClient::LEADER_ONLY));
      RETURN_NOT_OK(scanner.SetReadMode(KuduScanner::READ_AT_SNAPSHOT));
      RETURN_NOT_OK(scanner.Open());
      

      However, it does not work.

      To make it work, it's necessary to add extra 1 to the snapshot timestamp:

      RETURN_NOT_OK(scanner.SetSnapshotRaw(snapshot_timestamp + 1));
      

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              • Assignee:
                aserbin Alexey Serbin
                Reporter:
                aserbin Alexey Serbin
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                • Created:
                  Updated:
                  Resolved: