arina-ielchiieva commented on a change in pull request #1509: DRILL-6810:
Disable NULL_IF_NULL NullHandling for functions with Comp…
URL: https://github.com/apache/drill/pull/1509#discussion_r227330995
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File path:
exec/java-exec/src/main/java/org/apache/drill/exec/expr/annotations/FunctionTemplate.java
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@@ -138,6 +138,9 @@
* Indicates that a method's associated logical operation returns NULL if
* either input is NULL, and therefore that the method must not be called
* with null inputs. (The calling framework must handle NULLs.)
+ *
+ * <p>Not Supported for Functions with {@link Output} of type
+ * {@link
org.apache.drill.exec.vector.complex.writer.BaseWriter.ComplexWriter}.</p>
Review comment:
Aggregate functions are also no supported for this type of null handling
strategy. Could you please mention this point as well?
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