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From "Venki Korukanti (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-1301) Fail to query from hive tables that have decimal columns
Date Wed, 08 Oct 2014 18:26:34 GMT

    [ https://issues.apache.org/jira/browse/DRILL-1301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14163916#comment-14163916
] 

Venki Korukanti commented on DRILL-1301:
----------------------------------------

Hive table is created in Hive 0.13, but Hive storage plugin in Drill is only supports Hive
0.12 tables. Either of the following can work:

1. Use Hive 0.12 which needs decimal type in table definition to be changed to just DECIMAL
with no precision and scale
2. Apply DRILL-1347 patch which upgrades Hive storage plugin to Hive 0.13.

> Fail to query from hive tables that have decimal columns
> --------------------------------------------------------
>
>                 Key: DRILL-1301
>                 URL: https://issues.apache.org/jira/browse/DRILL-1301
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Storage - Hive
>    Affects Versions: 0.5.0
>            Reporter: Krystal
>            Assignee: Aditya Kishore
>            Priority: Blocker
>             Fix For: 0.6.0
>
>
> git.commit.id.abbrev=687b9b0
> I have a table in hive with the following schema:
> hive> describe voter_test;
> OK
> voter_id            	int                 	                    
> name                	varchar(30)         	                    
> age                 	tinyint             	                    
> registration        	string              	                    
> contributions       	decimal(6,2)        	                    
> voterzone           	smallint            	                    
> create_time         	timestamp  
> When I run any select against this table from drill, it fails with parsing error:
> 0: jdbc:drill:schema=hive> select * from voter_test limit 5;
> Query failed: Failure while parsing sql. Error: ',', ':', or ';' expected at position
7 from 'decimal(6,2)' [0:decimal, 7:(, 8:6, 9:,, 10:2, 11:)] [2a97a3ae-b9cd-409b-bab6-359febb023b3]
> Error: exception while executing query: Failure while trying to get next result batch.
(state=,code=0)
> I went back to hive and created another table using float instead of decimal for the
contributions field and the queries against this table run successfully.
> hive> describe voter_test1;
> OK
> voter_id            	int                 	                    
> name                	varchar(30)         	                    
> age                 	tinyint             	                    
> registration        	string              	                    
> contributions       	float               	                    
> voterzone           	smallint            	                    
> create_time         	timestamp                    	         



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