dongjoon-hyun commented on code in PR #38397:
URL: https://github.com/apache/spark/pull/38397#discussion_r1007641451
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sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/orc/OrcFileFormat.scala:
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@@ -126,9 +136,24 @@ class OrcFileFormat
val resultSchema = StructType(requiredSchema.fields ++
partitionSchema.fields)
val sqlConf = sparkSession.sessionState.conf
- val enableVectorizedReader = supportBatch(sparkSession, resultSchema)
val capacity = sqlConf.orcVectorizedReaderBatchSize
+ // Should always be set by FileSourceScanExec creating this.
+ // Check conf before checking option, to allow working around an issue by
changing conf.
+ val enableVectorizedReader = sqlConf.orcVectorizedReaderEnabled &&
+ options.get(FileFormat.OPTION_RETURNING_BATCH)
+ .getOrElse {
+ throw new IllegalArgumentException(
+ "OPTION_RETURNING_BATCH should always be set for OrcFileFormat." +
+ "To workaround this issue, set
spark.sql.orc.enableVectorizedReader=false.")
Review Comment:
Is this a correct recommendation? Why not recommend to set
`OPTION_RETURNING_BATCH`?
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