cloud-fan commented on a change in pull request #29045:
URL: https://github.com/apache/spark/pull/29045#discussion_r454119852
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/orc/OrcFileFormat.scala
##########
@@ -179,12 +179,17 @@ class OrcFileFormat
val fs = filePath.getFileSystem(conf)
val readerOptions = OrcFile.readerOptions(conf).filesystem(fs)
- val requestedColIdsOrEmptyFile =
+ val (requestedColIdsOrEmptyFile, sendActualSchema) =
Utils.tryWithResource(OrcFile.createReader(filePath, readerOptions)) {
reader =>
OrcUtils.requestedColumnIds(
isCaseSensitive, dataSchema, requiredSchema, reader, conf)
}
+ if (sendActualSchema) {
+ resultSchemaString = OrcUtils.orcTypeDescriptionString(actualSchema)
Review comment:
do you mean we can't do column pruning in this case?
----------------------------------------------------------------
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:
us...@infra.apache.org
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
