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Posted to issues@spark.apache.org by "Xiaochen Ouyang (JIRA)" <ji...@apache.org> on 2017/01/18 07:17:26 UTC

[jira] [Updated] (SPARK-19115) SparkSQL unsupports the command " create external table if not exist new_tbl like old_tbl location '/warehouse/new_tbl' "

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

Xiaochen Ouyang updated SPARK-19115:
------------------------------------
    Description: 
spark2.0.1 unsupports the command " create external table if not exist  new_tbl like old_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                                    #createTableLike"
and then we compiled spark and replaced the jar "spark-catalyst-2.0.1.jar" ,after that,we found we can run command "create external table if not exist  new_tbl like old_tbl" successfully,unfortunately we found the generated table's type is  MANAGED_TABLE other than  EXTERNAL_TABLE in metastore database .

  was:
spark2.0.1 unsupported the command " create external table if not exist  new_tbl like old_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                                    #createTableLike"
and then we compiled spark and replaced the jar "spark-catalyst-2.0.1.jar" ,after that,we found we can run command "create external table if not exist  new_tbl like old_tbl" successfully,unfortunately we found the generated table's type is  MANAGED_TABLE other than  EXTERNAL_TABLE in metastore database .


> 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
>
> spark2.0.1 unsupports the command " create external table if not exist  new_tbl like old_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                                    #createTableLike"
> and then we compiled spark and replaced the jar "spark-catalyst-2.0.1.jar" ,after that,we found we can run command "create external table if not exist  new_tbl like old_tbl" successfully,unfortunately we found the generated table's type is  MANAGED_TABLE other than  EXTERNAL_TABLE in metastore database .



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