HyukjinKwon commented on code in PR #38276:
URL: https://github.com/apache/spark/pull/38276#discussion_r996849228
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connector/connect/src/main/protobuf/spark/connect/relations.proto:
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@@ -163,6 +164,14 @@ message Sort {
}
}
+// Relation of type [[Deduplicate]] which have duplicate rows removed, could
consider either only
+// the subset of columns or all the columns.
+message Deduplicate {
+ Relation input = 1;
+ repeated string deduplicate_columns = 2;
Review Comment:
no biggie but I would match this name to what we have in `Dataset.scala`.
e.g., col_names
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