cloud-fan commented on a change in pull request #33140:
URL: https://github.com/apache/spark/pull/33140#discussion_r664757257
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File path:
sql/core/src/main/scala/org/apache/spark/sql/SparkSessionExtensions.scala
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@@ -110,9 +110,12 @@ class SparkSessionExtensions {
type TableFunctionDescription = (FunctionIdentifier, ExpressionInfo,
TableFunctionBuilder)
type ColumnarRuleBuilder = SparkSession => ColumnarRule
type QueryStagePrepRuleBuilder = SparkSession => Rule[SparkPlan]
+ type PostStageCreationRuleBuilder = SparkSession => Rule[SparkPlan]
private[this] val columnarRuleBuilders =
mutable.Buffer.empty[ColumnarRuleBuilder]
private[this] val queryStagePrepRuleBuilders =
mutable.Buffer.empty[QueryStagePrepRuleBuilder]
Review comment:
just for curiosity: do you still need to add custom query stage
preparation rules? We can't remove this API right away but we can deprecate it
if it's fully replaced by custom post query stage creation rules.
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