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Posted to issues@hive.apache.org by "lijp (JIRA)" <ji...@apache.org> on 2016/01/11 10:40:39 UTC
[jira] [Commented] (HIVE-11802) Float-point numbers are displayed
with different precision in Beeline/JDBC
[ https://issues.apache.org/jira/browse/HIVE-11802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15091679#comment-15091679 ]
lijp commented on HIVE-11802:
-----------------------------
TO:Mr Sergio Peña
About HIVE-11802,I wanted to get some help. Like following ,I can not get the patches about HIVE-11802,could you help me to provide the URL ?
Forward to get your help.
----
The following lists all Apache Hive Jiras included in CDH 5.5.0 that are not
included in the Apache Hive base version 1.1.0. The hive-1.1.0-cdh5.5.0.CHANGES.txt file
lists all changes included in CDH 5.5.0. The patch for each change can be found in the
cloudera/patches directory in the release tarball.
----
> 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: lijp
> Fix For: 2.0.0
>
> Attachments: HIVE-11802.3.patch
>
>
> 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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