[GitHub] [spark] maropu commented on a change in pull request #28123: [SPARK-31350][SQL] Coalesce bucketed tables for join if applicable

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maropu commented on a change in pull request #28123: [SPARK-31350][SQL] Coalesce bucketed tables for join if applicable
URL: https://github.com/apache/spark/pull/28123#discussion_r406568219
 
 

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 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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 @@ -2574,6 +2574,17 @@ object SQLConf {
       .booleanConf
       .createWithDefault(false)
 
+  val BUCKETING_COALESCE_ENABLED =
+    buildConf("spark.sql.bucketing.coalesce")
 
 Review comment:
   How about `spark.sql.bucketing.coalesce`->`....coalesceBucketInJoin`, `...coalesceJoinedBucket`, ...  based on the naming rule? https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/internal/config/ConfigEntry.scala#L41-L42

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