Github user huaxingao commented on a diff in the pull request:
https://github.com/apache/spark/pull/10505#discussion_r49678184
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSourceStrategy.scala
---
@@ -485,6 +486,74 @@ private[sql] object DataSourceStrategy extends
Strategy with Logging {
}
/**
+ * Convert add predicate such as C1 + C2 + C3 to string
+ */
+ private[this] def getAddString (predicate: Expression): String = {
+ predicate match {
+ case expressions.Add(left, right) =>
+ {
+ val leftString = left match {
+ case a: Attribute => a.name
+ case add: Add => getAddString (add)
+ case _ => None
+ }
+ val rightString = right match {
+ case a: Attribute => a.name
+ case add: Add => getAddString (add)
+ case _ => None
+ }
+ leftString + " + " + rightString
+ }
+ }
+ }
+
+ /**
+ * Tries to translate a Catalyst [[Expression]] into data source
[[Filter]].
--- End diff --
@viirya
Thank you very much for your comments. I changed the code based on your
suggestion. Since the new code is quite different from the original, I will
close this PR and submit a new one.
---
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]
