Github user gengliangwang commented on a diff in the pull request: https://github.com/apache/spark/pull/22119#discussion_r210489530 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/DataSource.scala --- @@ -637,6 +635,12 @@ object DataSource extends Logging { "Hive built-in ORC data source must be used with Hive support enabled. " + "Please use the native ORC data source by setting 'spark.sql.orc.impl' to " + "'native'") + } else if (provider1.toLowerCase(Locale.ROOT) == "avro" || + provider1 == "com.databricks.spark.avro") { + throw new AnalysisException( + s"Failed to find data source: ${provider1.toLowerCase(Locale.ROOT)}. " + + "AVRO is built-in data source since Spark 2.4. Please deploy the application " + + "as per https://spark.apache.org/docs/latest/avro-data-source.html#deploying") --- End diff -- I am creating a documentation for AVRO data source. Let's merge this PR after the README is done.
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