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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/10/15 06:34:05 UTC

[GitHub] [spark] cloud-fan commented on a change in pull request #30047: [SPARK-33078][SQL] Add config for json expression optimization

cloud-fan commented on a change in pull request #30047:
URL: https://github.com/apache/spark/pull/30047#discussion_r505203912



##########
File path: sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -1458,6 +1458,15 @@ object SQLConf {
       .booleanConf
       .createWithDefault(true)
 
+  val JSON_EXPRESSION_OPTIMIZATION =
+    buildConf("spark.sql.optimizer.enableJsonExpressionOptimization")

Review comment:
       hmm, I think users can already disable any optimizer rule via `spark.sql.optimizer.excludedRules`?




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