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https://issues.apache.org/jira/browse/HIVE-4067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13623270#comment-13623270
]
Hudson commented on HIVE-4067:
------------------------------
Integrated in Hive-trunk-hadoop2 #139 (See
[https://builds.apache.org/job/Hive-trunk-hadoop2/139/])
HIVE-4067 : Followup to HIVE-701: reduce ambiguity in grammar (Samuel Yuan
via Ashutosh Chauhan) (Revision 1464808)
Result = FAILURE
hashutosh :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1464808
Files :
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/HiveParser.g
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/IdentifiersParser.g
*
/hive/trunk/ql/src/test/queries/clientpositive/nonreserved_keywords_insert_into1.q
*
/hive/trunk/ql/src/test/results/clientpositive/nonreserved_keywords_insert_into1.q.out
* /hive/trunk/ql/src/test/results/compiler/errors/wrong_distinct2.q.out
> Followup to HIVE-701: reduce ambiguity in grammar
> -------------------------------------------------
>
> Key: HIVE-4067
> URL: https://issues.apache.org/jira/browse/HIVE-4067
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Affects Versions: 0.11.0
> Reporter: Samuel Yuan
> Assignee: Samuel Yuan
> Priority: Minor
> Fix For: 0.11.0
>
> Attachments: HIVE-4067.D8883.1.patch,
> HIVE-4067.HIVE-4067.HIVE-4067.HIVE-4067.D8883.2.patch
>
>
> After HIVE-701 the grammar has become much more ambiguous, and the
> compilation generates a large number of warnings. Making FROM, DISTINCT,
> PRESERVE, COLUMN, ALL, AND, OR, and NOT reserved keywords again reduces the
> number of warnings to 134, up from the original 81 warnings but down from the
> 565 after HIVE-701. Most of the remaining ambiguity is trivial, an example
> being "KW_ELEM_TYPE | KW_KEY_TYPE | KW_VALUE_TYPE | identifier", and they are
> all correctly handled by ANTLR.
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