Github user zuyu commented on a diff in the pull request: https://github.com/apache/incubator-quickstep/pull/237#discussion_r112826967 --- Diff: expressions/scalar/ScalarAttribute.cpp --- @@ -139,25 +142,26 @@ ColumnVector* ScalarAttribute::getAllValues(ValueAccessor *accessor, } } } - return result; + return ColumnVectorPtr(result); --- End diff -- Is the conversion required? I think `result` will be implicitly wrapped to a shared pointer (aka `ColumnVectorPtr`).
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