xtern commented on code in PR #3336:
URL: https://github.com/apache/ignite-3/pull/3336#discussion_r1512534704


##########
modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/rel/AbstractIgniteJoin.java:
##########
@@ -292,4 +292,8 @@ protected Mappings.TargetMapping 
buildTransposeMapping(boolean left2Right) {
                 (left2Right ? right : left).getRowType().getFieldCount()
         );
     }
+
+    @Override public String getRelTypeName() {

Review Comment:
   Because all Ignite RelNodes inherit calcite `AbstractRelNode` (abstract 
class), which has a different `getRelTypeName()` implementation, therefore the 
default implementation from `IgniteRel` will not be used.



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