Github user gatorsmile commented on a diff in the pull request: https://github.com/apache/spark/pull/19871#discussion_r154580007 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala --- @@ -568,8 +571,11 @@ object DataSource extends Logging { "org.apache.spark.Logging") /** Given a provider name, look up the data source class definition. */ - def lookupDataSource(provider: String): Class[_] = { - val provider1 = backwardCompatibilityMap.getOrElse(provider, provider) + def lookupDataSource(conf: SQLConf, provider: String): Class[_] = { + var provider1 = backwardCompatibilityMap.getOrElse(provider, provider) --- End diff -- Also add the maps for new orc format to `backwardCompatibilityMap`
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