[jira] [Created] (HIVE-11802) Float-point numbers are displayed with different precision in Beeline/JDBC

["Sergio Peña (JIRA)" <ji...@apache.org>]

Sergio Peña created HIVE-11802:
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             Summary: Float-point numbers are displayed with different precision in Beeline/JDBC
                 Key: HIVE-11802
                 URL: https://issues.apache.org/jira/browse/HIVE-11802
             Project: Hive
          Issue Type: Bug
    Affects Versions: 1.2.1
            Reporter: Sergio Peña
            Assignee: Sergio Peña


When inserting float-point numbers to a table, the values displayed on beeline or jdbc are with different precision.

How to reproduce:
{noformat}
0: jdbc:hive2://localhost:10000> create table decimals (f float, af array<float>, d double, ad array<double>) stored as parquet;
No rows affected (0.294 seconds)

0: jdbc:hive2://localhost:10000> insert into table decimals select 1.10058, array(cast(1.10058 as float)), 2.0133, array(2.0133) from dummy limit 1;
...
No rows affected (20.089 seconds)

0: jdbc:hive2://localhost:10000> select f, af, af[0], d, ad[0] from decimals;
+---------------------+------------+---------------------+---------+---------+--+
|          f          |     af     |         _c2         |    d    |   _c4   |
+---------------------+------------+---------------------+---------+---------+--+
| 1.1005799770355225  | [1.10058]  | 1.1005799770355225  | 2.0133  | 2.0133  |
+---------------------+------------+---------------------+---------+---------+--+
{noformat}

When displaying arrays, the values are displayed correctly, but if I print a specific element, it is then displayed with more decimal positions.



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