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Posted to issues@flink.apache.org by "Jane Chan (Jira)" <ji...@apache.org> on 2023/03/11 12:02:00 UTC

[jira] [Created] (FLINK-31404) Support extracting source mapping for all RexNode

Jane Chan created FLINK-31404:
---------------------------------

             Summary: Support extracting source mapping for all RexNode
                 Key: FLINK-31404
                 URL: https://issues.apache.org/jira/browse/FLINK-31404
             Project: Flink
          Issue Type: Sub-task
          Components: Table SQL / Planner
    Affects Versions: 1.17.0, 1.17.1
            Reporter: Jane Chan


Currently, `StreamNonDeterministicUpdatePlanVisitor` only supports extracting a limited kind of RexNode to its input node for the Calc.
 * RexInputRef
 * RexCall with the operator kind as `AS` and `CAST`

It can be optimized to support all kinds of RexNode by FlinkRexUtil#findAllInputRefs.

cc [~lincoln.86xy] 



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