Uploaded image for project: 'Apache Arrow'
  1. Apache Arrow
  2. ARROW-8500

[C++] Use selection vectors in Filter implementation for record batches, tables

    XMLWordPrintableJSON

Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 1.0.0
    • C++

    Description

      The current implementation of Filter on RecordBatch, Table does redundant analysis of the filter array. It would be more efficient in most cases (i.e. whenever there are multiple columns) to convert the boolean array into a selection vector and then use Take

      Attachments

        Issue Links

          Activity

            People

              wesm Wes McKinney
              wesm Wes McKinney
              Votes:
              0 Vote for this issue
              Watchers:
              1 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 - 4h
                  4h