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From: viirya <git@git.apache.org>
To: reviews@spark.apache.org
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References: <git-pr-10723-spark@git.apache.org>
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Subject: [GitHub] spark pull request: [SPARK-12689][SQL] Migrate DDL parsing
 to the ...
Content-Type: text/plain
Message-Id: <20160128091846.92DA6DFC8F@git1-us-west.apache.org>
Date: Thu, 28 Jan 2016 09:18:46 +0000 (UTC)

Github user viirya commented on a diff in the pull request:

    https://github.com/apache/spark/pull/10723#discussion_r51096951
  
    --- Diff: sql/catalyst/src/main/antlr3/org/apache/spark/sql/catalyst/parser/SparkSqlLexer.g ---
    @@ -465,7 +467,7 @@ Identifier
     fragment    
     QuotedIdentifier 
         :
    -    '`'  ( '``' | ~('`') )* '`' { setText(getText().substring(1, getText().length() -1 ).replaceAll("``", "`")); }
    +    '`'  ( '``' | ~('`') )* '`' { setText(getText().replaceAll("``", "`")); }
    --- End diff --
    
    Then I think we can make `cleanIdentifier` to strip the inital and final backticks for this case too.


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