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From "Takeshi Yamamuro (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-28033) String concatenation should low priority than other operators
Date Sun, 29 Dec 2019 11:04:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-28033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Takeshi Yamamuro resolved SPARK-28033.
--------------------------------------
    Resolution: Won't Fix

> String concatenation should low priority than other operators
> -------------------------------------------------------------
>
>                 Key: SPARK-28033
>                 URL: https://issues.apache.org/jira/browse/SPARK-28033
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.3.3
>            Reporter: Yuming Wang
>            Priority: Major
>
> Spark SQL:
> {code:sql}
> spark-sql> explain select 'four: ' || 2 + 2;
> == Physical Plan ==
> *(1) Project [null AS (CAST(concat(four: , CAST(2 AS STRING)) AS DOUBLE) + CAST(2 AS
DOUBLE))#2]
> +- Scan OneRowRelation[]
> spark-sql> select 'four: ' || 2 + 2;
> NULL
> {code}
> Hive:
> {code:sql}
> hive> select 'four: ' || 2 + 2;
> OK
> four: 4
> {code}



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