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Posted to issues@spark.apache.org by "Davies Liu (JIRA)" <ji...@apache.org> on 2016/03/03 09:09:18 UTC
[jira] [Updated] (SPARK-13466) Remove redundant project in colum
pruning rule
[ https://issues.apache.org/jira/browse/SPARK-13466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Davies Liu updated SPARK-13466:
-------------------------------
Issue Type: Improvement (was: Bug)
Summary: Remove redundant project in colum pruning rule (was: Don't introduce redundant project with colum pruning rule)
> Remove redundant project in colum pruning rule
> ----------------------------------------------
>
> Key: SPARK-13466
> URL: https://issues.apache.org/jira/browse/SPARK-13466
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Liang-Chi Hsieh
> Assignee: Liang-Chi Hsieh
> Fix For: 2.0.0
>
>
> With column pruning rule in optimizer, we will introduce redundant project for some cases. We should prevent it.
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