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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2022/02/22 13:06:00 UTC
[jira] [Assigned] (SPARK-38271) PoissonSampler may output more rows than MaxRows
[ https://issues.apache.org/jira/browse/SPARK-38271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenchen Fan reassigned SPARK-38271:
-----------------------------------
Assignee: zhengruifeng
> PoissonSampler may output more rows than MaxRows
> ------------------------------------------------
>
> Key: SPARK-38271
> URL: https://issues.apache.org/jira/browse/SPARK-38271
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.3, 3.1.2, 3.2.1, 3.3.0
> Reporter: zhengruifeng
> Assignee: zhengruifeng
> Priority: Major
>
> {code:java}
> scala> val df = spark.range(0, 1000)
> df: org.apache.spark.sql.Dataset[Long] = [id: bigint]
> scala> df.count
> res0: Long = 1000
> scala> df.sample(true, 0.999999, 10).count
> res1: Long = 1004
> {code}
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