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https://issues.apache.org/jira/browse/IMPALA-14027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Riza Suminto resolved IMPALA-14027.
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Fix Version/s: Impala 5.0.0
Resolution: Fixed
> Reimplement HS2 NULL_TYPE using TStringValue
> --------------------------------------------
>
> Key: IMPALA-14027
> URL: https://issues.apache.org/jira/browse/IMPALA-14027
> Project: IMPALA
> Issue Type: Improvement
> Components: Frontend
> Reporter: Riza Suminto
> Assignee: Riza Suminto
> Priority: Major
> Fix For: Impala 5.0.0
>
>
> HS2 NULL_TYPE should be implemented using TStringValue.
> [https://github.com/apache/impala/blob/55804f78740bf5e05aaee2634dec249fefb431a0/common/thrift/hive-1-api/TCLIService.thrift#L327]
>
> However, due to incompatibility with Hive JDBC driver implementation then,
> Impala choose to implement NULL type using TBoolValue (see IMPALA-914,
> IMPALA-1370).
> The Hive JDBC issue is not there anymore. Thus, we can reimplement NULL_TYPE
> using TStringValue to match HiveServer2 behavior.
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