Reynold Xin created SPARK-7813:
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Summary: Push code generation into expression definition themselves
Key: SPARK-7813
URL: https://issues.apache.org/jira/browse/SPARK-7813
Project: Spark
Issue Type: Improvement
Components: SQL
Reporter: Reynold Xin
Assignee: Davies Liu
Priority: Critical
Right now we define all expression code generation in a single file. If we want
to do code generation for most default expressions, it'd only make sense to
push them into the expression definitions themselves (similar to "eval" method).
We would need to design an updated version of the expression API for that.
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