clintropolis commented on code in PR #13809:
URL: https://github.com/apache/druid/pull/13809#discussion_r1119965302
##########
processing/src/main/java/org/apache/druid/math/expr/vector/VectorProcessors.java:
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@@ -242,6 +270,12 @@ public void processIndex(Object[] strings, long[] longs,
boolean[] outputNulls,
return (ExprVectorProcessor<T>) processor;
}
+ /**
+ * Creates an {@link ExprVectorProcessor} for the 'isnull' function, that
produces a "boolean" (long) typed output
+ * vector with values set to 1 if the input value was null or 0 if it was
not null.
Review Comment:
yes, will clarify javadocs
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