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https://issues.apache.org/jira/browse/SPARK-20137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15949107#comment-15949107
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guoxiaolongzte commented on SPARK-20137:
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I also want to know why, thank you.
> In Spark1.5 I can 'cache table as select' for many times. In Spark2.1 it will
> show error TempTableAlreadyExistsException
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-20137
> URL: https://issues.apache.org/jira/browse/SPARK-20137
> Project: Spark
> Issue Type: Question
> Components: SQL
> Affects Versions: 2.1.0
> Reporter: Ruhui Wang
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> About 'cache table as select'. In Spark1.5, I can run this sql for many
> times:
> cache table t as select * from t1;
> cache table t as select * from t2;
> In Spark2.1 when I run the second sql will show "Error in query: Temporary
> table 't1' already exists;"
> Why Spark2.1 don't support this sql??
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