[jira] [Created] (TAJO-2134) support overloading in built-in functions for char, varchar type

["Youngkyong Ko (JIRA)" <ji...@apache.org>]

Youngkyong Ko created TAJO-2134:
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             Summary: support overloading in built-in functions for char, varchar type 
                 Key: TAJO-2134
                 URL: https://issues.apache.org/jira/browse/TAJO-2134
             Project: Tajo
          Issue Type: Wish
            Reporter: Youngkyong Ko


(making issue from a user question in Tajo user group)

Some built-in string functions accept only "text" type argument, 
eg. TEXT upper(text), INT4 char_length(text)

so they require explicit type casting to be used for char, varchar columns.

For user conveniences and compatibility to legacy SQL statements, it would be good to support parameter overloading for those built-in functions. 
  



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