HIVE-28936: Redundant fields/nullable attributes in CBOPlan returned by EXPLAIN FORMATTED #5796
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What changes were proposed in this pull request?
Copy method with fix for CALCITE_6832 from apache/calcite repository
Why are the changes needed?
Remove redundant information from EXPLAIN FORMATTED
Does this PR introduce any user-facing change?
Tools that rely/parse the JSON serialization may be affected.
How was this patch tested?
Existing tests