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From "Xuefu Zhang (JIRA)" <>
Subject [jira] [Commented] (HIVE-6147) Support avro data stored in HBase columns
Date Thu, 06 Mar 2014 21:51:47 GMT


Xuefu Zhang commented on HIVE-6147:

[~swarnim] I'm not totally convinced that these tests are unrelated, as they consistently
appeared in the test result. In addition, I manually ran TestHCatLoader, and got errors as
the following:
testProjectionsBasic(org.apache.hive.hcatalog.pig.TestHCatLoader)  Time elapsed: 0.184 sec
 <<< ERROR! Failed to execute "create table junit_unparted_complex(name string, studentid
int, contact struct<phno:string,email:string>, currently_registered_courses array<string>,
current_grades map<string,string>, phnos array<struct<phno:string,type:string>>)
stored as RCFILE tblproperties('hcat.isd'='org.apache.hive.hcatalog.rcfile.RCFileInputDriver','hcat.osd'='org.apache.hive.hcatalog.rcfile.RCFileOutputDriver')".
Driver returned 1 Error: FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask.
	at org.apache.hive.hcatalog.pig.TestHCatLoader.executeStatementOnDriver(
	at org.apache.hive.hcatalog.pig.TestHCatLoader.createTable(
	at org.apache.hive.hcatalog.pig.TestHCatLoader.createTable(
	at org.apache.hive.hcatalog.pig.TestHCatLoader.createTable(
	at org.apache.hive.hcatalog.pig.TestHCatLoader.setup(

Please further investigate.

> Support avro data stored in HBase columns
> -----------------------------------------
>                 Key: HIVE-6147
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: HBase Handler
>    Affects Versions: 0.12.0
>            Reporter: Swarnim Kulkarni
>            Assignee: Swarnim Kulkarni
>         Attachments: HIVE-6147.1.patch.txt, HIVE-6147.2.patch.txt, HIVE-6147.3.patch.txt,
> Presently, the HBase Hive integration supports querying only primitive data types in
columns. It would be nice to be able to store and query Avro objects in HBase columns by making
them visible as structs to Hive. This will allow Hive to perform ad hoc analysis of HBase
data which can be deeply structured.

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