kasakrisz commented on code in PR #5196:
URL: https://github.com/apache/hive/pull/5196#discussion_r1665400657


##########
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/reloperators/HiveFilter.java:
##########
@@ -72,6 +78,22 @@ public HiveFilter(RelOptCluster cluster, RelTraitSet traits, 
RelNode child, RexN
     super(cluster, TraitsUtil.getDefaultTraitSet(cluster), child, condition);
     this.correlationInfos = new CorrelationInfoSupplier(getCondition());
   }
+  
+  @Override 
+  public RelWriter explainTerms(RelWriter pw) {
+    // Remove this method after upgrading Calcite to 1.35+

Review Comment:
   > write project properties with properties-maven-plugin to 
ql/src/main/resources/, and read the calcite version from there
   
   It can work. 
   However we already have constants needs to be manually modified at a Calcite 
upgrade:
   
https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/Bug.java



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