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Posted to dev@parquet.apache.org by "Julien Le Dem (JIRA)" <ji...@apache.org> on 2014/10/24 10:48:33 UTC

[jira] [Created] (PARQUET-119) add data_encodings to ColumnMetaData to enable dictionary based predicate push down

Julien Le Dem created PARQUET-119:
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             Summary: add data_encodings to ColumnMetaData to enable dictionary based predicate push down
                 Key: PARQUET-119
                 URL: https://issues.apache.org/jira/browse/PARQUET-119
             Project: Parquet
          Issue Type: Improvement
          Components: parquet-format
            Reporter: Julien Le Dem
            Assignee: Julien Le Dem


To implement predicate push down based on dictionary we need to know if fall back happened.
If all data pages are dictionary encoded we can use the dictionary for predicate-push down.
If not we can not.



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