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Posted to issues@carbondata.apache.org by "sounak chakraborty (JIRA)" <ji...@apache.org> on 2017/04/17 06:33:41 UTC

[jira] [Created] (CARBONDATA-934) Cast Filter Expression Pushdown in Carbon

sounak chakraborty created CARBONDATA-934:
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             Summary: Cast Filter Expression Pushdown in Carbon
                 Key: CARBONDATA-934
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-934
             Project: CarbonData
          Issue Type: Bug
    Affects Versions: 1.1.0-incubating
            Reporter: sounak chakraborty
            Assignee: sounak chakraborty


Currently Filter Expression with Casts are not handled in Carbon, therefore from Carbon All rows are scanned and given to spark for evaluating Filters with Cast expressions. 
Pushdown the Cast Expression to Carbon for filtering out more data and reduce IO.  



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