[jira] [Commented] (SPARK-29630) Not allowed to create a permanent view by referencing a temporary view in EXISTS

["Terry Kim (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-29630?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16964626#comment-16964626 ] 

Terry Kim commented on SPARK-29630:
-----------------------------------

In the above example, the EXISTS clause becomes a `condition` of `Filter`. The current implementation is not exhaustive enough - e.g., it doesn't traverse Expression node, etc. I will create a PR to address this.

 

> Not allowed to create a permanent view by referencing a temporary view in EXISTS
> --------------------------------------------------------------------------------
>
>                 Key: SPARK-29630
>                 URL: https://issues.apache.org/jira/browse/SPARK-29630
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Takeshi Yamamuro
>            Priority: Major
>
> {code}
> // In the master, the query below fails
> $ CREATE VIEW v7_temp AS SELECT t1.id, t2.a FROM base_table t1, (SELECT * FROM temp_table) t2;
> org.apache.spark.sql.AnalysisException
> Not allowed to create a permanent view `v7_temp` by referencing a temporary view `temp_table`;
> // In the master, the query below passed, but this should fail
> $ CREATE VIEW v8_temp AS SELECT * FROM base_table WHERE EXISTS (SELECT 1 FROM temp_table);
> Passed
> {code}



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