cloud-fan commented on a change in pull request #26813: [SPARK-30188][SQL][WIP]
Enable adaptive query execution by default
URL: https://github.com/apache/spark/pull/26813#discussion_r363599891
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/CacheManager.scala
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@@ -80,12 +81,19 @@ class CacheManager extends Logging {
} else {
val sparkSession = query.sparkSession
val qe = sparkSession.sessionState.executePlan(planToCache)
- val inMemoryRelation = InMemoryRelation(
- sparkSession.sessionState.conf.useCompression,
- sparkSession.sessionState.conf.columnBatchSize, storageLevel,
- qe.executedPlan,
- tableName,
- optimizedPlan = qe.optimizedPlan)
+ val originalValue =
sparkSession.sessionState.conf.getConf(SQLConf.ADAPTIVE_EXECUTION_ENABLED)
+ val inMemoryRelation = try {
+
sparkSession.sessionState.conf.setConf(SQLConf.ADAPTIVE_EXECUTION_ENABLED,
false)
Review comment:
can we add a comment to explain why disable it? e.g. to avoid changing the
output partitioning
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