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Posted to issues@spark.apache.org by "Hyukjin Kwon (Jira)" <ji...@apache.org> on 2019/10/08 05:43:18 UTC
[jira] [Resolved] (SPARK-24998) spark-sql will scan the same table
repeatedly when doing multi-insert
[ https://issues.apache.org/jira/browse/SPARK-24998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon resolved SPARK-24998.
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Resolution: Incomplete
> spark-sql will scan the same table repeatedly when doing multi-insert
> ---------------------------------------------------------------------
>
> Key: SPARK-24998
> URL: https://issues.apache.org/jira/browse/SPARK-24998
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: ice bai
> Priority: Major
> Labels: bulk-closed
> Attachments: scan_table_many_times.png
>
>
> Such as the query likes "From xx SELECT yy INSERT INTO a INSERT INTO b INSERT INTO c ..." .
> Following screenshot shows the stages：
> !scan_table_many_times.png!
> But, Hive only scan once.
>
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