Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/6874#discussion_r32724856
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -737,6 +735,21 @@ object functions {
}
/**
+ * Creates a new struct column with given field names and columns.
+ * The input columns should be of length 2*n and follow (name1, col1,
name2, col2),
+ * name* should be String Literal
+ *
+ * @group normal_funcs
+ * @since 1.5.0
+ */
+ @scala.annotation.varargs
+ def named_struct(cols: Column*): Column = {
+ require(cols.length % 2 == 0,
+ s"named_struct expects an even number of arguments.")
+ CreateNamedStruct(cols.map(_.expr))
+ }
+
+ /**
--- End diff --
We usually will have the column names version of API. For example:
```
def namedStruct(colName: String, colNames: String*): Column
```
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