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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/09/23 11:50:00 UTC
[jira] [Assigned] (SPARK-24869) SaveIntoDataSourceCommand's input
Dataset does not use Cached Data
[ https://issues.apache.org/jira/browse/SPARK-24869?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-24869:
------------------------------------
Assignee: (was: Apache Spark)
> SaveIntoDataSourceCommand's input Dataset does not use Cached Data
> ------------------------------------------------------------------
>
> Key: SPARK-24869
> URL: https://issues.apache.org/jira/browse/SPARK-24869
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.1
> Reporter: Xiao Li
> Priority: Major
>
> {code}
> withTable("t") {
> withTempPath { path =>
> var numTotalCachedHit = 0
> val listener = new QueryExecutionListener {
> override def onFailure(f: String, qe: QueryExecution, e: Exception):Unit = {}
> override def onSuccess(funcName: String, qe: QueryExecution, duration: Long): Unit = {
> qe.withCachedData match {
> case c: SaveIntoDataSourceCommand
> if c.query.isInstanceOf[InMemoryRelation] =>
> numTotalCachedHit += 1
> case _ =>
> println(qe.withCachedData)
> }
> }
> }
> spark.listenerManager.register(listener)
> val udf1 = udf({ (x: Int, y: Int) => x + y })
> val df = spark.range(0, 3).toDF("a")
> .withColumn("b", udf1(col("a"), lit(10)))
> df.cache()
> df.write.mode(SaveMode.Overwrite).jdbc(url1, "TEST.DROPTEST", properties)
> assert(numTotalCachedHit == 1, "expected to be cached in jdbc")
> }
> }
> {code}
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