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https://issues.apache.org/jira/browse/HIVE-9500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aihua Xu updated HIVE-9500:
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Status: Patch Available (was: In Progress)
> 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
> Assignee: Aihua Xu
> Labels: SerDe
> Fix For: 1.2.0
>
> Attachments: HIVE-9500.1.patch, HIVE-9500.2.patch
>
>
> 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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