Vihang Karajgaonkar commented on HIVE-17844:

[~zi] Can you give a example query which can lead to incorrect results? Thanks 
for reporting this..

> Hive JDBC driver converts floats to doubles, changing values slightly
> ---------------------------------------------------------------------
>                 Key: HIVE-17844
>                 URL: https://issues.apache.org/jira/browse/HIVE-17844
>             Project: Hive
>          Issue Type: Bug
>          Components: JDBC
>            Reporter: Zoltan Ivanfi
>            Priority: Major
> When querying data through Hive's JDBC driver, float values are automatically 
> converted to doubles and will slightly differ from values seen when directly 
> querying the data using a textual SQL interface.
> Please note that by slight difference I don't only mean additional zeroes at 
> the end, but an actual numeric difference in the displayed value. This is the 
> result of the different precision used when displaying double values, as 
> discussed 
> [here|https://stackoverflow.com/questions/17504833/why-converting-from-float-to-double-changes-the-value],
>  for example.

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