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Posted to issues@spark.apache.org by "Yin Huai (JIRA)" <ji...@apache.org> on 2015/07/09 06:40:04 UTC

[jira] [Commented] (SPARK-6941) Provide a better error message to explain that tables created from RDDs are immutable

    [ https://issues.apache.org/jira/browse/SPARK-6941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14619874#comment-14619874 ] 

Yin Huai commented on SPARK-6941:
---------------------------------

I think right now, we will see "No plan for InsertIntoTable". We can add a rule in CheckAnalysis to find the table of {{InsertIntoTable}} is  a {{LogicalRDD}}. If so, we let the user know he/she cannot insert data into this table because it is immutable. 

> Provide a better error message to explain that tables created from RDDs are immutable
> -------------------------------------------------------------------------------------
>
>                 Key: SPARK-6941
>                 URL: https://issues.apache.org/jira/browse/SPARK-6941
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Yin Huai
>            Assignee: Yijie Shen
>            Priority: Blocker
>
> We should explicitly let users know that tables created from RDDs are immutable and new rows cannot be inserted into it. We can add a better error message and also explain it in the programming guide.



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