Liang-Chi Hsieh created SPARK-22856:
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Summary: Add wrapper for codegen output and nullability
Key: SPARK-22856
URL: https://issues.apache.org/jira/browse/SPARK-22856
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.2.1
Reporter: Liang-Chi Hsieh
The codegen output of {{Expression}}, {{ExprCode}}, now encapsulates only
strings of output value {{value}} and nullability ({{isNull}}). It makes
difficulty for us to know what the output really is. I think it is better if we
can add wrappers for the value and nullability that let us to easily know that.
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