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From: "Satish Mittal (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
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Subject: [jira] [Updated] (HIVE-7892) Thrift Set type not working with Hive
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     [ https://issues.apache.org/jira/browse/HIVE-7892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Satish Mittal updated HIVE-7892:
--------------------------------
    Status: In Progress  (was: Patch Available)

> Thrift Set type not working with Hive
> -------------------------------------
>
>                 Key: HIVE-7892
>                 URL: https://issues.apache.org/jira/browse/HIVE-7892
>             Project: Hive
>          Issue Type: Bug
>          Components: Serializers/Deserializers
>            Reporter: Satish Mittal
>            Assignee: Satish Mittal
>         Attachments: HIVE-7892.patch.1.txt, HIVE-7892.patch.txt
>
>
> Thrift supports List, Map and Struct complex types, which get mapped to Array, Map and Struct complex types in Hive respectively. However thrift Set type doesn't seem to be working. 
> Here is an example thrift struct:
> {noformat}
> namespace java sample.thrift
> struct setrow {
>     1: required set<i32> ids,
>     2: required string name,
> }
> {noformat}
> A Hive table is created with ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.thrift.ThriftDeserializer' WITH SERDEPROPERTIES ('serialization.class'='sample.thrift.setrow', 'serialization.format'='org.apache.thrift.protocol.TBinaryProtocol').
> Describing the table shows:
> {noformat}
> hive> describe settable; 
> OK
> ids                 	struct<>            from deserializer   
> name                string              	from deserializer
> {noformat}
> Issuing a select query on set column throws SemanticException:
> {noformat}
> hive> select ids from settable;
> FAILED: SemanticException java.lang.IllegalArgumentException: Error: name expected at the position 7 of 'struct<>' but '>' is found.
> {noformat}



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