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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