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Posted to issues@flink.apache.org by "Dezhi Cai (Jira)" <ji...@apache.org> on 2019/09/07 13:57:00 UTC
[jira] [Created] (FLINK-14001) add a API to enable user to get the
operator code generated by Flink engine
Dezhi Cai created FLINK-14001:
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Summary: add a API to enable user to get the operator code generated by Flink engine
Key: FLINK-14001
URL: https://issues.apache.org/jira/browse/FLINK-14001
Project: Flink
Issue Type: Wish
Components: Runtime / Task
Affects Versions: 1.9.0
Reporter: Dezhi Cai
Fix For: 1.9.1
In Spark, we can invoke Dataset method "queryExecution.debug.codegen()" to get the code produced by Catalyst. If we add a similar API to enable user to get the code generated by
Flink engine, this would be a very nice way to provide more verbose feedback for debugging.
reference link : [https://medium.com/virtuslab/spark-sql-under-the-hood-part-i-26077f85ebf0]
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