HyukjinKwon commented on code in PR #46789:
URL: https://github.com/apache/spark/pull/46789#discussion_r1641617771


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connector/connect/common/src/main/protobuf/spark/connect/expressions.proto:
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@@ -407,3 +409,18 @@ message NamedArgumentExpression {
   // (Required) The value expression of the named argument.
   Expression value = 2;
 }
+
+message Origin {

Review Comment:
   The current implementation of tracking lazy evaluation is specific to 
`Expression`s actually (see `org.apache.spark.sql.withOrigin`, and Python 
client mimics the same approach which is way we're adding something to 
`Expression(self.origin)`.



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