[jira] [Commented] (HIVE-12943) Use default doesnot work in Hive 1.2.1

["Kashish Jain (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-12943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15119106#comment-15119106 ] 

Kashish Jain commented on HIVE-12943:
-------------------------------------

I have identified the patch for this and have tested it over spark-1.5.1 as well. Please assign it to me. Will be submiting a patch for it.


> Use default doesnot work in Hive 1.2.1
> --------------------------------------
>
>                 Key: HIVE-12943
>                 URL: https://issues.apache.org/jira/browse/HIVE-12943
>             Project: Hive
>          Issue Type: Bug
>          Components: Database/Schema
>    Affects Versions: 1.2.1
>            Reporter: Kashish Jain
>             Fix For: 1.3.0, 1.2.1, 1.2.2
>
>
> "USE Default" does not work with the latest hive 1.2.1
> The message is 
> "
>    Cannot recognize input near 'default' '<EOF>' '<EOF>' in switch database statement; line 1 pos 4
>    NoViableAltException(81@[])
>    at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.identifier(HiveParser_IdentifiersParser.java:11577)
>    at org.apache.hadoop.hive.ql.parse.HiveParser.identifier(HiveParser.java:46055)
> "
> According to my analysis this may be due to the removal of "KW_DEFAULT" keyword from the grammar of Hive parser according to the bug https://issues.apache.org/jira/browse/HIVE-6617
> Adding the KW_DEFAULT keyword back to the HiveParser.g, HiveLexer.g and Identifier.g and It worked. Wish to push it to apache-hive



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