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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/12/30 00:26:49 UTC
[jira] [Assigned] (SPARK-12560) SqlTestUtils.stripSparkFilter needs
to copy utf8strings
[ https://issues.apache.org/jira/browse/SPARK-12560?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-12560:
------------------------------------
Assignee: Apache Spark
> SqlTestUtils.stripSparkFilter needs to copy utf8strings
> -------------------------------------------------------
>
> Key: SPARK-12560
> URL: https://issues.apache.org/jira/browse/SPARK-12560
> Project: Spark
> Issue Type: Test
> Components: SQL
> Reporter: Imran Rashid
> Assignee: Apache Spark
> Priority: Minor
>
> {{SqlTestUtils.stripSparkFilter}} needs to make copies of the UTF8Strings, eg., with {{FromUnsafeProjection}} to avoid returning duplicates of the same row (see SPARK-9459).
> Right now, this isn't causing any problems, since the parquet string predicate pushdown is turned off (see SPARK-11153). However I ran into this while trying to get the predicate pushdown to work with a different version of parquet. Without this fix, there were errors like:
> {noformat}
> [info] !== Correct Answer - 4 == == Spark Answer - 4 ==
> [info] ![1] [2]
> [info] [2] [2]
> [info] ![3] [4]
> [info] [4] [4] (QueryTest.scala:127)
> {noformat}
> I figure its worth making this change now while I ran into it. PR coming shortly
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