cloud-fan commented on code in PR #38767:
URL: https://github.com/apache/spark/pull/38767#discussion_r1030324709
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sql/core/src/main/scala/org/apache/spark/sql/SparkSessionExtensions.scala:
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@@ -230,7 +230,7 @@ class SparkSessionExtensions {
* cache hit rate by normalizing different plans to the same form. These
rules should never modify
* the result of the LogicalPlan.
*/
- def injectPlanNormalizationRules(builder: RuleBuilder): Unit = {
+ def injectPlanNormalizationRule(builder: RuleBuilder): Unit = {
Review Comment:
good catch! I checked other APIs and they use `rules` in the doc as well. It
probably means all the rule that were added by this API.
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