Hive
  1. Hive
  2. HIVE-6192

Optimize sum(1) to answer query using metadata

    Details

    • Type: New Feature New Feature
    • Status: Resolved
    • Priority: Major Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.13.0
    • Component/s: Query Processor, Statistics
    • Labels:
      None

      Description

      sum(1) has same semantics as count(1) so it can also be optimized in similar fashion by answering query using stats stored in metastore.

      1. HIVE-6192.2.patch
        30 kB
        Ashutosh Chauhan
      2. HIVE-6192.patch
        26 kB
        Ashutosh Chauhan

        Issue Links

          Activity

          No work has yet been logged on this issue.

            People

            • Assignee:
              Ashutosh Chauhan
              Reporter:
              Ashutosh Chauhan
            • Votes:
              0 Vote for this issue
              Watchers:
              1 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved:

                Development