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https://issues.apache.org/jira/browse/SPARK-6040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14338336#comment-14338336
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Apache Spark commented on SPARK-6040:
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User 'watermen' has created a pull request for this issue:
https://github.com/apache/spark/pull/4789
> Fix the percent bug in tablesample
> ----------------------------------
>
> Key: SPARK-6040
> URL: https://issues.apache.org/jira/browse/SPARK-6040
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.2.1
> Reporter: Yadong Qi
>
> HiveQL expression like ```select count(1) from src tablesample(1 percent);```
> means take 1% sample to select. But it means 100% in the current version of
> the Spark.
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