cloud-fan commented on code in PR #37879:
URL: https://github.com/apache/spark/pull/37879#discussion_r972562054
##########
sql/core/src/main/scala/org/apache/spark/sql/execution/CacheManager.scala:
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@@ -159,11 +159,51 @@ class CacheManager extends Logging with
AdaptiveSparkPlanHelper {
plan: LogicalPlan,
cascade: Boolean,
blocking: Boolean = false): Unit = {
+ uncacheQuery(spark, _.sameResult(plan), cascade, blocking)
+ }
+
+ def uncacheTableOrView(spark: SparkSession, name: Seq[String], cascade:
Boolean): Unit = {
+ uncacheQuery(
+ spark,
+ isMatchedTableOrView(_, name, spark.sessionState.conf),
+ cascade,
+ blocking = false)
+ }
+
+ private def isMatchedTableOrView(plan: LogicalPlan, name: Seq[String], conf:
SQLConf): Boolean = {
+ def isSameName(nameInCache: Seq[String]): Boolean = {
+ nameInCache.length == name.length &&
nameInCache.zip(name).forall(conf.resolver.tupled)
+ }
+
+ plan match {
+ case SubqueryAlias(ident, LogicalRelation(_, _, Some(catalogTable), _))
=>
+ val v1Ident = catalogTable.identifier
+ isSameName(ident.qualifier :+ ident.name) &&
+ isSameName(v1Ident.catalog.toSeq ++ v1Ident.database :+
v1Ident.table)
+
+ case SubqueryAlias(ident, DataSourceV2Relation(_, _, Some(catalog),
Some(v2Ident), _)) =>
+ isSameName(ident.qualifier :+ ident.name) &&
+ isSameName(catalog.name() +: v2Ident.namespace() :+ v2Ident.name())
Review Comment:
yes, see `ResolveRelations.createRelation`
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