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https://issues.apache.org/jira/browse/SPARK-24998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ice bai updated SPARK-24998:
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Description:
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.
was:
Such as the following screenshot：
!scan_table_many_times.png!
But, Hive only scan once.
> 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
> 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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