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From "Xiao Li (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-19115) SparkSQL unsupports the command " create external table if not exist new_tbl like old_tbl location '/warehouse/new_tbl' "
Date Tue, 14 Feb 2017 03:44:42 GMT

     [ https://issues.apache.org/jira/browse/SPARK-19115?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xiao Li resolved SPARK-19115.
-----------------------------
       Resolution: Fixed
    Fix Version/s: 2.2.0

> SparkSQL unsupports the command " create external table if not exist  new_tbl like old_tbl
location '/warehouse/new_tbl' "
> --------------------------------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-19115
>                 URL: https://issues.apache.org/jira/browse/SPARK-19115
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.0.1
>         Environment: spark2.0.1 hive1.2.1
>            Reporter: Xiaochen Ouyang
>            Assignee: Xiaochen Ouyang
>             Fix For: 2.2.0
>
>
> spark2.0.1 unsupports the command " create external table if not exist  new_tbl like
old_tbl location '/warehouse/new_tbl' "
> we tried to modify the  sqlbase.g4 file,change
> "    | CREATE TABLE (IF NOT EXISTS)? target=tableIdentifier
>         LIKE source=tableIdentifier                                    #createTableLike"
> to
> "    | CREATE EXTERNAL? TABLE (IF NOT EXISTS)? target=tableIdentifier
>         LIKE source=tableIdentifier locationSpec?                                 #createTableLike"
> modify method 'visitCreateTableLike' in scala file  'SparkSqlParser.scala' and  update
case class CreateTableLikeCommand in 'tables.scala' file
> finally  we compiled spark and replaced the jars as follow: 'spark-catalyst-2.0.1.jar','spark-sql_2.11-2.0.1.jar',
and run  the command 'create external table if not exist  new_tbl like old_tbl location '/warehouse/new_tbl'
successfully . 



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