clintropolis commented on a change in pull request #10613:
URL: https://github.com/apache/druid/pull/10613#discussion_r553845596



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File path: 
processing/src/main/java/org/apache/druid/query/dimension/DimensionSpec.java
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@@ -70,6 +71,11 @@ default MultiValueDimensionVectorSelector 
decorate(MultiValueDimensionVectorSele
     throw new UOE("DimensionSpec[%s] cannot vectorize", getClass().getName());
   }
 
+  default VectorObjectSelector decorate(VectorObjectSelector selector)

Review comment:
       This is used with the poorly named 
`VectorColumnSelectorFactory.makeStringObjectSelector`, which should be renamed 
`VectorColumnSelectorFactory.makeDimensionObjectSelector` or something, which 
is for doing dimensiony things with a vector object selector similar to what is 
done for `SingleValueDimensionVectorSelector` or 
`MultiValueDimensionVectorSelector`. There are currently no implementations of 
this, like is the case with the other decorate methods with vector selectors, i 
was just trying for symmetry here so that the object selector could behave 
similar to the other string selectors when used in this context




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