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[BugFix] Fix stats are not correct in skew join rule for partitioned hive table

Open Youngwb opened this issue 7 months ago • 3 comments

Why I'm doing:

at skew join rule, row count in statistics is not correct when hive table is partitioned table

What I'm doing:

  1. Get all partition statistics at skew join rule (beacuse this rule run before prune partition rule, do not known the selected partitions)
  2. If can not get basic statistics from internal statistics(statistics db), get table statistics from connector metadata Fixes #issue

What type of PR is this:

  • [x] BugFix
  • [ ] Feature
  • [ ] Enhancement
  • [ ] Refactor
  • [ ] UT
  • [ ] Doc
  • [ ] Tool

Does this PR entail a change in behavior?

  • [ ] Yes, this PR will result in a change in behavior.
  • [x] No, this PR will not result in a change in behavior.

If yes, please specify the type of change:

  • [ ] Interface/UI changes: syntax, type conversion, expression evaluation, display information
  • [ ] Parameter changes: default values, similar parameters but with different default values
  • [ ] Policy changes: use new policy to replace old one, functionality automatically enabled
  • [ ] Feature removed
  • [ ] Miscellaneous: upgrade & downgrade compatibility, etc.

Checklist:

  • [ ] I have added test cases for my bug fix or my new feature
  • [ ] This pr needs user documentation (for new or modified features or behaviors)
    • [ ] I have added documentation for my new feature or new function
  • [ ] This is a backport pr

Bugfix cherry-pick branch check:

  • [x] I have checked the version labels which the pr will be auto-backported to the target branch
    • [x] 3.3
    • [x] 3.2
    • [ ] 3.1
    • [ ] 3.0
    • [ ] 2.5

Youngwb avatar Jul 01 '24 08:07 Youngwb