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https://reviews.apache.org/r/22217/
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Review request for drill.


Repository: drill-git


Description
-------

C++ client need to support negative interval data types.


Diffs
-----

  contrib/native/client/src/clientlib/recordBatch.cpp 066b898 
  contrib/native/client/src/include/drill/drillc.hpp e5a0d33 
  contrib/native/client/src/include/drill/recordBatch.hpp c40327b 

Diff: https://reviews.apache.org/r/22217/diff/


Testing
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Test Query

```
./querySubmitter api=async type=sql  
connectStr=jdbc:drill:local=localhost:31010  query="select 
cast(cast('P-1DT2H3M4S' as VARCHAR(32)) as interval second) from 
INFROMATION_SCHEMA.SCHEMATA"
```


Thanks,

Xiao Meng

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