fqaiser94 commented on a change in pull request #27066:
URL: https://github.com/apache/spark/pull/27066#discussion_r441184936
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/complexTypeCreator.scala
##########
@@ -539,3 +541,82 @@ case class StringToMap(text: Expression, pairDelim:
Expression, keyValueDelim: E
override def prettyName: String = "str_to_map"
}
+
+/**
+ * Adds/replaces field in struct by name.
+ */
+case class WithFields(
+ structExpr: Expression,
+ nameExprs: Seq[Expression],
Review comment:
Indeed, this can be changed to a `Seq[String]` easily. I did it as
`Seq[Expression]` to make it easier in the future when/if we integrate this
with the SQL API. I'm happy to change it if you think this isn't something to
be concerned about today.
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