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https://issues.apache.org/jira/browse/SPARK-1678?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Patrick Wendell resolved SPARK-1678.
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Resolution: Fixed
Issue resolved by pull request 608
[https://github.com/apache/spark/pull/608]
> Compression loses repeated values.
> ----------------------------------
>
> Key: SPARK-1678
> URL: https://issues.apache.org/jira/browse/SPARK-1678
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Michael Armbrust
> Assignee: Cheng Lian
> Priority: Blocker
> Fix For: 1.0.0
>
>
> Here's a test case:
> {code}
> test("all the same strings") {
> sparkContext.parallelize(1 to 1000).map(_ =>
> StringData("test")).registerAsTable("test1000")
> assert(sql("SELECT * FROM test1000").count() === 1000)
> cacheTable("test1000")
> assert(sql("SELECT * FROM test1000").count() === 1000)
> }
> {code}
> First assert passes, second one fails.
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