[GitHub] [spark] viirya commented on a diff in pull request #41777: [SPARK-44232][SQL] add a config for auto refresh query result cache

["viirya (via GitHub)" <gi...@apache.org>]

viirya commented on code in PR #41777:
URL: https://github.com/apache/spark/pull/41777#discussion_r1245884847


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sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala:
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@@ -4292,6 +4292,14 @@ object SQLConf {
       .checkValue(_ >= 0, "The threshold of cached local relations must not be negative")
       .createWithDefault(64 * 1024 * 1024)
 
+  val QUERY_RESULT_CACHE_AUTO_REFRESH = buildConf("spark.sql.queryResultCache.autoRefresh.enabled")
+    .doc("When true, refresh the query result cache automatically if any of the tables " +
+      "referenced by the query gets updated. Note that, auto refresh won't be triggered if the " +
+      "table updates happen outside of this Spark application.")

Review Comment:
   Hmm, if in same Spark application but in different SparkSession, will it be triggered?



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