viirya commented on a change in pull request #30047:
URL: https://github.com/apache/spark/pull/30047#discussion_r505211014
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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:
`excludedRules` should work, but I'm thinking to add CSV expression
optimization similar to JSON in same rule. If so, a separate config for
JSON/CSV expression seems good. If we have two rules for JSON, CSV
individually, then `excludedRules` might be enough.
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