gatorsmile commented on issue #24706: [SPARK-23128][SQL] A new approach to do adaptive execution in Spark SQL URL: https://github.com/apache/spark/pull/24706#issuecomment-501601303 Try this? ``` withSQLConf( SQLConf.RUNTIME_REOPTIMIZATION_ENABLED.key -> "true", SQLConf.AUTO_BROADCASTJOIN_THRESHOLD.key -> "80") { spark.sql( "EXPLAIN CODEGEN SELECT * FROM testData join testData2 ON key = a where value = '1'").show(false) } ```
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