[SPARK-49273][Connect][SQL] Origin support for Spark Connect Scala client #49373
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# Conflicts: # connector/connect/client/jvm/src/test/scala/org/apache/spark/sql/KeyValueGroupedDatasetE2ETestSuite.scala
xupefei
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What changes were proposed in this pull request?
This PR adds support for
Originto the Scala client of Spark Connect.The approach is to send the client
Origininstance over the wire to the Server, which will reconstruct the instance and attach it to the expression during transformation.One Origin message can contain only one of
PythonOriginandJvmOrigin. The former is filled by the Python client (#46789) and the latter by the Scala client (this PR).Why are the changes needed?
Close the gap between Classic & Connect.
Does this PR introduce any user-facing change?
No.
How was this patch tested?
New tests.
Was this patch authored or co-authored using generative AI tooling?
Yes, to generate protobuf messages.