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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:25:32 UTC
[jira] [Updated] (SPARK-12843) Spark should avoid scanning all
partitions when limit is set
[ https://issues.apache.org/jira/browse/SPARK-12843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon updated SPARK-12843:
---------------------------------
Labels: bulk-closed (was: )
> Spark should avoid scanning all partitions when limit is set
> ------------------------------------------------------------
>
> Key: SPARK-12843
> URL: https://issues.apache.org/jira/browse/SPARK-12843
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.0
> Reporter: Maciej Bryński
> Priority: Major
> Labels: bulk-closed
>
> SQL Query:
> {code}
> select * from table limit 100
> {code}
> force Spark to scan all partition even when data are available on the beginning of scan.
> This behaviour should be avoided and scan should stop when enough data is collected.
> Is it related to: [SPARK-9850] ?
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