[ https://issues.apache.org/jira/browse/SPARK-31384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenchen Fan reassigned SPARK-31384: ----------------------------------- Assignee: wuyi > NPE in OptimizeSkewedJoin when there's a inputRDD of plan has 0 partition > ------------------------------------------------------------------------- > > Key: SPARK-31384 > URL: https://issues.apache.org/jira/browse/SPARK-31384 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 3.0.0 > Reporter: wuyi > Assignee: wuyi > Priority: Major > > When there's a inputRDD of a plan with 0 partitions, rule OptimizeSkewedJoin > can hit NPE. > The issue can be reproduced by below test: > {code:java} > withSQLConf(SQLConf.ADAPTIVE_EXECUTION_ENABLED.key -> "true", > SQLConf.AUTO_BROADCASTJOIN_THRESHOLD.key -> "-1") { > withTempView("t2") { > // create DataFrame with 0 partition > spark.createDataFrame(sparkContext.emptyRDD[Row], new > StructType().add("b", IntegerType)) > .createOrReplaceTempView("t2") > // should run successfully without NPE > runAdaptiveAndVerifyResult("SELECT * FROM testData2 t1 left semi join t2 > ON t1.a=t2.b") > } > } > {code} -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org