viirya commented on a change in pull request #29737:
URL: https://github.com/apache/spark/pull/29737#discussion_r556701853
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/orc/OrcFileFormat.scala
##########
@@ -160,6 +160,9 @@ class OrcFileFormat
val capacity = sqlConf.orcVectorizedReaderBatchSize
OrcConf.IS_SCHEMA_EVOLUTION_CASE_SENSITIVE.setBoolean(hadoopConf,
sqlConf.caseSensitiveAnalysis)
+ OrcConf.FORCE_POSITIONAL_EVOLUTION.setBoolean(hadoopConf,
+ hadoopConf.getBoolean("spark.hadoop." +
OrcConf.FORCE_POSITIONAL_EVOLUTION.getAttribute,
+ false))
Review comment:
Oh I see. Yeah, you're right. The hadoop conf here is cleaned up. If
users specify `spark.hadoop.orc.force.positional.evolution`, it will be removed
the prefix and added into this conf.
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