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Posted to issues@spark.apache.org by "Xiao Li (JIRA)" <ji...@apache.org> on 2015/12/23 19:31:46 UTC

[jira] [Updated] (SPARK-12505) Pushdown a Limit on top of an Outer-Join

     [ https://issues.apache.org/jira/browse/SPARK-12505?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiao Li updated SPARK-12505:
----------------------------
    Summary: Pushdown a Limit on top of an Outer-Join  (was: Pushdown a Limit on top of a Outer-Join)

> Pushdown a Limit on top of an Outer-Join
> ----------------------------------------
>
>                 Key: SPARK-12505
>                 URL: https://issues.apache.org/jira/browse/SPARK-12505
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 1.5.0, 1.6.0
>            Reporter: Xiao Li
>
> "Rule that applies to a Limit on top of an OUTER Join. The original Limit won't go away after applying this rule, but additional Limit node(s) will be created on top of the outer-side child (or children if it's a FULL OUTER Join). "
> – from https://issues.apache.org/jira/browse/CALCITE-832



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