Zoltan Ivanfi created HIVE-17844:
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Summary: 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
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 difference in the value itself. This is a result of the
float to double conversion, as discussed
[here|https://stackoverflow.com/questions/17504833/why-converting-from-float-to-double-changes-the-value],
for example.
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