Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/8035#discussion_r36710708
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/json/JSONRelation.scala ---
@@ -105,6 +107,15 @@ private[sql] class JSONRelation(
jsonSchema
}
+ override private[sql] def buildScan(
+ requiredColumns: Array[String],
+ filters: Array[Filter],
+ inputPaths: Array[String],
+ broadcastedConf: Broadcast[SerializableConfiguration]): RDD[Row] = {
+ refresh()
--- End diff --
Ok, but seems only `ParquetRelation` will refresh the meta data, for Json
and ORC only will refresh the file status.
The problem here, once the table cached, even if people call the refresh()
implicitly, we will not get the refreshed data either.
---
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]
