Uploaded image for project: 'Apache Arrow'
  1. Apache Arrow
  2. ARROW-13257

[Java][Dataset] Allow passing empty columns for projection

    XMLWordPrintableJSON

Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 4.0.1
    • 6.0.0
    • Java

    Description

      Projecting on empty columns (functionally like a pure metadata query on source of data) was supported in C++ Dataset API in ARROW-11174. This is to align Java API's behavior within C++.

      Attachments

        Issue Links

          Activity

            People

              zhztheplayer Hongze Zhang
              zhztheplayer Hongze Zhang
              Votes:
              0 Vote for this issue
              Watchers:
              2 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

                Time Tracking

                  Estimated:
                  Original Estimate - Not Specified
                  Not Specified
                  Remaining:
                  Remaining Estimate - 0h
                  0h
                  Logged:
                  Time Spent - 5h
                  5h