Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/21594#discussion_r197586914
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/tables.scala ---
@@ -493,7 +493,7 @@ case class TruncateTableCommand(
spark.sessionState.refreshTable(tableName.unquotedString)
// Also try to drop the contents of the table from the columnar cache
try {
-
spark.sharedState.cacheManager.uncacheQuery(spark.table(table.identifier))
+
spark.sharedState.cacheManager.uncacheQuery(spark.table(table.identifier), true)
--- End diff --
named argument. `cascade = true`
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