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From "Michi Mutsuzaki (JIRA)" <j...@apache.org>
Subject [jira] Created: (HIVE-99) serde fails when field name starts with underscore
Date Tue, 02 Dec 2008 06:53:44 GMT
serde fails when field name starts with underscore

                 Key: HIVE-99
                 URL: https://issues.apache.org/jira/browse/HIVE-99
             Project: Hadoop Hive
          Issue Type: Bug
    Affects Versions: 0.20.0
            Reporter: Michi Mutsuzaki
            Priority: Minor
             Fix For: 0.20.0

(Not sure if this is a metastore bug or serde bug)

For the query:

select count(1) from table

HiveInterface.getSchema() returns:

struct result { string _c0}

DynamicSerDe.initialize() raises a lexical error:

    [junit] Lexical error at line 1, column 24.  Encountered: "_" (95), after : ""
    [junit] org.apache.hadoop.hive.serde2.dynamic_type.TokenMgrError: Lexical error at line
1, column 24.  Encountered: "_" (95), after : ""
    [junit] 	at org.apache.hadoop.hive.serde2.dynamic_type.thrift_grammarTokenManager.getNextToken(thrift_grammarTokenManager.java:1457)
    [junit] 	at org.apache.hadoop.hive.serde2.dynamic_type.thrift_grammar.jj_consume_token(thrift_grammar.java:2233)
    [junit] 	at org.apache.hadoop.hive.serde2.dynamic_type.thrift_grammar.Field(thrift_grammar.java:1547)
    [junit] 	at org.apache.hadoop.hive.serde2.dynamic_type.thrift_grammar.FieldList(thrift_grammar.java:1501)
    [junit] 	at org.apache.hadoop.hive.serde2.dynamic_type.thrift_grammar.Struct(thrift_grammar.java:1171)
    [junit] 	at org.apache.hadoop.hive.serde2.dynamic_type.thrift_grammar.TypeDefinition(thrift_grammar.java:497)
    [junit] 	at org.apache.hadoop.hive.serde2.dynamic_type.thrift_grammar.Definition(thrift_grammar.java:439)

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