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Posted to reviews@spark.apache.org by ueshin <gi...@git.apache.org> on 2014/08/01 08:48:54 UTC

[GitHub] spark pull request: SPARK-2686 Add Length and Strlen support to Sp...

Github user ueshin commented on the pull request:

    https://github.com/apache/spark/pull/1586#issuecomment-50854265
  
    Hi, @javadba.
    My proposal is as follows:
    
    a) `CharLength` expression = codePoints, and use `char_length` function in parser and `length` as synonym of `char_length` for hive compatibility
    b) `OctetLength` expression = bytes to show amount of byte storage for a string, and use `octet_length` function in parser
    
    Standard SQL defines `char_length` and `octet_length` functions.


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