Pig
  1. Pig
  2. PIG-2423

document use case where co-group is better choice than join

    Details

    • Type: Improvement Improvement
    • Status: Open
    • Priority: Major Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: documentation
    • Labels:
      None

      Description

      Optimization rules 2 and 3 suggested in https://issues.apache.org/jira/secure/attachment/12506841/pig_tpch.ppt (PIG-2397) recommend the use of co-group instead of join in certain cases. These should be documented in pig performance page.

        Issue Links

          Activity

          No work has yet been logged on this issue.

            People

            • Assignee:
              Unassigned
              Reporter:
              Thejas M Nair
            • Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

              Dates

              • Created:
                Updated:

                Development