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From "Pete Wyckoff (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-93) dynamic serde does not handle '_' as the first character of a column name in a DDL
Date Tue, 02 Dec 2008 03:51:44 GMT

    [ https://issues.apache.org/jira/browse/HIVE-93?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12652260#action_12652260
] 

Pete Wyckoff commented on HIVE-93:
----------------------------------

incidentally, this is the offending code:

{code}
--- src/contrib/hive/serde/src/java/org/apache/hadoop/hive/serde2/dynamic_type/thrift_grammar.jjt
      (revision 132500)
+++ src/contrib/hive/serde/src/java/org/apache/hadoop/hive/serde2/dynamic_type/thrift_grammar.jjt
      (working copy)
@@ -163,7 +163,7 @@
 |
 <tok_double_constant:   ["+","-"](<DIGIT>)*"."(<DIGIT>)+(["e","E"](["+","-"])?(<DIGIT>)+)?>
 |
-<IDENTIFIER: <LETTER>(<LETTER>|<DIGIT>|"."|"_")*>
+<IDENTIFIER: (<LETTER>|<DIGIT>|"."|"_")*>
 |
 <#LETTER: (["a"-"z", "A"-"Z" ]) >
 |

{code}

> dynamic serde does not handle '_' as the first character of a column name in a DDL
> ----------------------------------------------------------------------------------
>
>                 Key: HIVE-93
>                 URL: https://issues.apache.org/jira/browse/HIVE-93
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.20.0
>            Reporter: Raghotham Murthy
>            Priority: Minor
>             Fix For: 0.20.0
>
>
> For example cannot initialize a dynamic serde with : struct result { string _c0}

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