dbtsai commented on a change in pull request #27728:
[SPARK-25556][SPARK-17636][SPARK-31026][SPARK-31060][SQL][test-hive1.2] Nested
Column Predicate Pushdown for Parquet
URL: https://github.com/apache/spark/pull/27728#discussion_r394000137
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSourceStrategy.scala
##########
@@ -652,10 +652,12 @@ object DataSourceStrategy {
*/
object PushableColumn {
def unapply(e: Expression): Option[String] = {
- def helper(e: Expression) = e match {
- case a: Attribute => Some(a.name)
+ import
org.apache.spark.sql.connector.catalog.CatalogV2Implicits.MultipartIdentifierHelper
+ def helper(e: Expression): Option[Seq[String]] = e match {
+ case a: Attribute => Some(Seq(a.name))
+ case s: GetStructField => helper(s.child).map(_ :+
s.childSchema(s.ordinal).name)
Review comment:
Do you mean the nested predicate pushdown? It will be easy for this, but for
`dots`, it's harder since if we don't add it here, we have to add it before
calling the ORC filter API.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
