aokolnychyi commented on a change in pull request #30808:
URL: https://github.com/apache/spark/pull/30808#discussion_r546654503
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File path:
sql/core/src/main/scala/org/apache/spark/sql/SparkSessionExtensions.scala
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@@ -200,19 +200,19 @@ class SparkSessionExtensions {
optimizerRules += builder
}
- private[this] val dataSourceRewriteRules = mutable.Buffer.empty[RuleBuilder]
+ private[this] val preCBORules = mutable.Buffer.empty[RuleBuilder]
- private[sql] def buildDataSourceRewriteRules(session: SparkSession):
Seq[Rule[LogicalPlan]] = {
- dataSourceRewriteRules.map(_.apply(session)).toSeq
+ private[sql] def buildPreCBORules(session: SparkSession):
Seq[Rule[LogicalPlan]] = {
+ preCBORules.map(_.apply(session)).toSeq
}
/**
- * Inject an optimizer `Rule` builder that rewrites data source plans into
the [[SparkSession]].
- * The injected rules will be executed after the operator optimization batch
and before rules
- * that depend on stats.
+ * Inject an optimizer `Rule` builder that rewrites logical plans into the
[[SparkSession]].
+ * The injected rules will be executed once after the operator optimization
batch and
Review comment:
I added that the rule will be executed once to the docs.
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