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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12156) expanding view doesn't quote reserved keyword
Date Thu, 05 Nov 2015 19:33:27 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14992315#comment-14992315
] 

Pengcheng Xiong commented on HIVE-12156:
----------------------------------------

pushed to master. Thanks [~jpullokkaran] for the review.

> expanding view doesn't quote reserved keyword
> ---------------------------------------------
>
>                 Key: HIVE-12156
>                 URL: https://issues.apache.org/jira/browse/HIVE-12156
>             Project: Hive
>          Issue Type: Bug
>          Components: Parser
>    Affects Versions: 1.2.1
>         Environment: hadoop 2.7
> hive 1.2.1
>            Reporter: Jay Lee
>            Assignee: Pengcheng Xiong
>         Attachments: HIVE-12156.01.patch, HIVE-12156.02.patch, HIVE-12156.03.patch
>
>
> hive> create table testreserved (data struct<`end`:string, id: string>);
> OK
> Time taken: 0.274 seconds
> hive> create view testreservedview as select data.`end` as data_end, data.id as data_id
from testreserved;
> OK
> Time taken: 0.769 seconds
> hive> select data.`end` from testreserved;
> OK
> Time taken: 1.852 seconds
> hive> select data_id from testreservedview;
> NoViableAltException(98@[])
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.identifier(HiveParser_IdentifiersParser.java:10858)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.precedenceFieldExpression(HiveParser_IdentifiersParser.java:6438)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.precedenceUnaryPrefixExpression(HiveParser_IdentifiersParser.java:6768)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.precedenceUnarySuffixExpression(HiveParser_IdentifiersParser.java:6828)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.precedenceBitwiseXorExpression(HiveParser_IdentifiersParser.java:7012)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.precedenceStarExpression(HiveParser_IdentifiersParser.java:7172)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.precedencePlusExpression(HiveParser_IdentifiersParser.java:7332)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.precedenceAmpersandExpression(HiveParser_IdentifiersParser.java:7483)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.precedenceBitwiseOrExpression(HiveParser_IdentifiersParser.java:7634)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.precedenceEqualExpression(HiveParser_IdentifiersParser.java:8164)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.precedenceNotExpression(HiveParser_IdentifiersParser.java:9177)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.precedenceAndExpression(HiveParser_IdentifiersParser.java:9296)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.precedenceOrExpression(HiveParser_IdentifiersParser.java:9455)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.expression(HiveParser_IdentifiersParser.java:6105)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser.expression(HiveParser.java:45840)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_SelectClauseParser.selectItem(HiveParser_SelectClauseParser.java:2907)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_SelectClauseParser.selectList(HiveParser_SelectClauseParser.java:1373)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser_SelectClauseParser.selectClause(HiveParser_SelectClauseParser.java:1128)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser.selectClause(HiveParser.java:45827)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser.selectStatement(HiveParser.java:41495)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser.regularBody(HiveParser.java:41402)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser.queryStatementExpressionBody(HiveParser.java:40413)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser.queryStatementExpression(HiveParser.java:40283)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser.execStatement(HiveParser.java:1590)
> 	at org.apache.hadoop.hive.ql.parse.HiveParser.statement(HiveParser.java:1109)
> 	at org.apache.hadoop.hive.ql.parse.ParseDriver.parse(ParseDriver.java:202)
> ...
> FAILED: SemanticException line 1:29 cannot recognize input near 'end' 'as' 'data_end'
in expression specification in definition of VIEW testreservedview [
> select `testreserved`.`data`.end as `data_end`, `testreserved`.`data`.id as `data_id`
from `test`.`testreserved`
> ] used as testreservedview at Line 1:20
> When view is expanded, field should be quote with backquote.



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