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From "Aihua Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-9500) Support nested structs over 24 levels.
Date Thu, 29 Jan 2015 14:19:35 GMT

     [ https://issues.apache.org/jira/browse/HIVE-9500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aihua Xu updated HIVE-9500:
---------------------------
    Description: 
Customer has deeply nested avro structure and is receiving the following error when performing
queries.

15/01/09 20:59:29 ERROR ql.Driver: FAILED: SemanticException org.apache.hadoop.hive.serde2.SerDeException:
Number of levels of nesting supported for LazySimpleSerde is 23 Unable to work with level
24
Currently we support up to 24 levels of nested structs when hive.serialization.extend.nesting.levels
is set to true, while the customers have the requirement to support more than that. 

It would be better to make the supported levels configurable or completely removed (i.e.,
we can support any number of levels). 

  was:
Currently we support up to 24 levels of nested structs when hive.serialization.extend.nesting.levels
is set to true, while the customers have the requirement to support more than that. 

It would be better to make the supported levels configurable or completely removed (i.e.,
we can support any number of levels). 


> Support nested structs over 24 levels.
> --------------------------------------
>
>                 Key: HIVE-9500
>                 URL: https://issues.apache.org/jira/browse/HIVE-9500
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Aihua Xu
>              Labels: SerDe
>
> Customer has deeply nested avro structure and is receiving the following error when performing
queries.
> 15/01/09 20:59:29 ERROR ql.Driver: FAILED: SemanticException org.apache.hadoop.hive.serde2.SerDeException:
Number of levels of nesting supported for LazySimpleSerde is 23 Unable to work with level
24
> Currently we support up to 24 levels of nested structs when hive.serialization.extend.nesting.levels
is set to true, while the customers have the requirement to support more than that. 
> It would be better to make the supported levels configurable or completely removed (i.e.,
we can support any number of levels). 



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