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https://issues.apache.org/jira/browse/SPARK-33987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17258179#comment-17258179
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Maxim Gekk commented on SPARK-33987:
------------------------------------
I am working on this
> v2 ALTER TABLE .. DROP PARTITION does not refresh cached table
> --------------------------------------------------------------
>
> Key: SPARK-33987
> URL: https://issues.apache.org/jira/browse/SPARK-33987
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Maxim Gekk
> Priority: Major
>
> The test below portraits the issue:
> {code:scala}
> test("SPARK-33950: refresh cache after partition dropping") {
> withNamespaceAndTable("ns", "tbl") { t =>
> sql(s"CREATE TABLE $t (id int, part int) $defaultUsing PARTITIONED BY
> (part)")
> sql(s"INSERT INTO $t PARTITION (part=0) SELECT 0")
> sql(s"INSERT INTO $t PARTITION (part=1) SELECT 1")
> assert(!spark.catalog.isCached(t))
> sql(s"CACHE TABLE $t")
> assert(spark.catalog.isCached(t))
> QueryTest.checkAnswer(sql(s"SELECT * FROM $t"), Seq(Row(0, 0), Row(1,
> 1)))
> sql(s"ALTER TABLE $t DROP PARTITION (part=0)")
> assert(spark.catalog.isCached(t))
> QueryTest.checkAnswer(sql(s"SELECT * FROM $t"), Seq(Row(1, 1)))
> }
> }
> {code}
> The last check fails:
> {code}
> == Results ==
> !== Correct Answer - 1 == == Spark Answer - 2 ==
> !struct<> struct<id:int,part:int>
> ![1,1] [0,0]
> ! [1,1]
> {code}
>
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