Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/11908#discussion_r57099373
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/Column.scala ---
@@ -937,6 +932,26 @@ class Column(protected[sql] val expr: Expression)
extends Logging {
}
/**
+ * Gives the column a name (alias).
+ * {{{
+ * // Renames colA to colB in select output.
+ * df.select($"colA".name("colB"))
+ * }}}
+ *
+ * If the current column has metadata associated with it, this metadata
will be propagated
+ * to the new column. If this not desired, use `as` with explicitly
empty metadata.
--- End diff --
no unfortunately...
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
