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https://issues.apache.org/jira/browse/SPARK-15706?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yin Huai updated SPARK-15706:
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Assignee: Xiao Li
> Wrong Answer when using IF NOT EXISTS in INSERT OVERWRITE for DYNAMIC
> PARTITION
> -------------------------------------------------------------------------------
>
> Key: SPARK-15706
> URL: https://issues.apache.org/jira/browse/SPARK-15706
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Xiao Li
> Assignee: Xiao Li
> Fix For: 2.0.0
>
>
> IF NOT EXISTS in INSERT OVERWRITE should not support dynamic partitions.
> However, we returns a wrong answer.
> {noformat}
> CREATE TABLE table_with_partition(c1 string)
> PARTITIONED by (p1 string,p2 string)
> INSERT OVERWRITE TABLE table_with_partition
> partition (p1='a',p2='b')
> SELECT 'blarr2'
> INSERT OVERWRITE TABLE table_with_partition
> partition (p1='a',p2) IF NOT EXISTS
> SELECT 'blarr3'
> {noformat}
> {noformat}
> !== Correct Answer - 1 == == Spark Answer - 2 ==
> [blarr2,a,b] [blarr2,a,b]
> ! [blarr3,a,blarr3]
> {noformat}
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