dongjoon-hyun commented on a change in pull request #33140:
URL: https://github.com/apache/spark/pull/33140#discussion_r662701818
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File path:
sql/core/src/main/scala/org/apache/spark/sql/SparkSessionExtensions.scala
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@@ -109,10 +109,12 @@ class SparkSessionExtensions {
type FunctionDescription = (FunctionIdentifier, ExpressionInfo,
FunctionBuilder)
type TableFunctionDescription = (FunctionIdentifier, ExpressionInfo,
TableFunctionBuilder)
type ColumnarRuleBuilder = SparkSession => ColumnarRule
- type QueryStagePrepRuleBuilder = SparkSession => Rule[SparkPlan]
Review comment:
Although this is `Experimental` and `Unstable`, this looks a little too
much because this was added at 3.0.1 and 3.1.0. I'd like to suggest not to
remove this.
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