amaliujia commented on code in PR #39985:
URL: https://github.com/apache/spark/pull/39985#discussion_r1107930496
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connector/connect/common/src/main/protobuf/spark/connect/relations.proto:
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@@ -76,6 +76,8 @@ message Relation {
StatFreqItems freq_items = 106;
StatSampleBy sample_by = 107;
+ int64 server_side_dataframe_id = 108;
Review Comment:
The problem here is that I do not fully understand the semantics of this
`ServerSideDataFrame`. If you can help us understand what exactly
`ServerSideDataFrame` will do, probably we can help to see how does it better
fit in the Connect proto.
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