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[CALCITE-3963] Maintains logical properties at RelSet (equivalent gro…

Open xndai opened this issue 5 years ago • 0 comments

…up) instead of RelNode

  1. Add new LogicalNode interface that supports reporting stats estimation confidence.
  2. Re-purpose set.rel and rename it into set.originalRel to report logical properties of RelSet.
  3. When a new RelNode is added to the set, we check the stats confidence of the new node, and update set.originalRel if it has a higher confidence level.
  4. Meta data handler will always report logical properties from set.originalRel for RelSubset.

CALCITE-3963

xndai avatar May 29 '20 05:05 xndai