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Posted to issues@spark.apache.org by "Yin Huai (JIRA)" <ji...@apache.org> on 2016/09/09 17:37:21 UTC
[jira] [Comment Edited] (SPARK-17409) Query in CTAS is Optimized
Twice
[ https://issues.apache.org/jira/browse/SPARK-17409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15477685#comment-15477685 ]
Yin Huai edited comment on SPARK-17409 at 9/9/16 5:37 PM:
----------------------------------------------------------
Note: according to https://github.com/apache/spark/pull/14797#issuecomment-244848780, this issue only affects current master (spark 2.1).
was (Author: yhuai):
Note: according to https://github.com/apache/spark/pull/14797#issuecomment-244848780, this issue only affects current master (2.1).
> Query in CTAS is Optimized Twice
> --------------------------------
>
> Key: SPARK-17409
> URL: https://issues.apache.org/jira/browse/SPARK-17409
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.1.0
> Reporter: Xiao Li
> Assignee: Xiao Li
> Priority: Critical
>
> The query in CTAS is optimized twice, as reported in the PR: https://github.com/apache/spark/pull/14797
> {quote}
> Some analyzer rules have assumptions on logical plans, optimizer may break these assumption, we should not pass an optimized query plan into QueryExecution (will be analyzed again), otherwise we may some weird bugs.
> {quote}
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