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https://issues.apache.org/jira/browse/HIVE-3820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13623080#comment-13623080
]
Hudson commented on HIVE-3820:
------------------------------
Integrated in Hive-trunk-hadoop2 #138 (See
[https://builds.apache.org/job/Hive-trunk-hadoop2/138/])
HIVE-3820 Consider creating a literal like D or BD for representing Decimal
type constants (Gunther Hagleitner via Ashutosh Chauhan) (Revision 1459298)
Result = FAILURE
hashutosh :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1459298
Files :
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/DDLSemanticAnalyzer.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/HiveLexer.g
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/IdentifiersParser.g
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/TypeCheckProcFactory.java
* /hive/trunk/ql/src/test/queries/clientpositive/literal_decimal.q
* /hive/trunk/ql/src/test/results/clientpositive/literal_decimal.q.out
*
/hive/trunk/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/primitive/JavaBigDecimalObjectInspector.java
> Consider creating a literal like "D" or "BD" for representing Decimal type
> constants
> ------------------------------------------------------------------------------------
>
> Key: HIVE-3820
> URL: https://issues.apache.org/jira/browse/HIVE-3820
> Project: Hive
> Issue Type: Bug
> Reporter: Mark Grover
> Assignee: Gunther Hagleitner
> Fix For: 0.11.0
>
> Attachments: HIVE-3820.1.patch, HIVE-3820.2.patch,
> HIVE-3820.D8823.1.patch
>
>
> When the HIVE-2693 gets committed, users are going to see this behavior:
> {code}
> hive> select cast(3.14 as decimal) from decimal_3 limit 1;
> 3.140000000000000124344978758017532527446746826171875
> {code}
> That's intuitively incorrect but is the case because 3.14 (double) is being
> converted to BigDecimal because of which there is a precision mismatch.
> We should consider creating a new literal for expressing constants of Decimal
> type as Gunther suggested in HIVE-2693.
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