Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/10140#discussion_r55486838
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/BoundAttribute.scala
---
@@ -23,6 +23,15 @@ import org.apache.spark.sql.catalyst.errors.attachTree
import org.apache.spark.sql.catalyst.expressions.codegen.{CodeGenContext,
GeneratedExpressionCode}
import org.apache.spark.sql.types._
+object BoundReference {
+ def apply(
--- End diff --
oh, this a old pr. :-)
This change takes cares of the corner case that a `BoundReference` is
aliased to a name and has been removed of the `Alias` later in codegen. I think
not all `BoundReference` have a name. So I make it as optional field. Not sure
about whether the case you said will happen.
---
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]
