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https://issues.apache.org/jira/browse/HIVE-28825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krisztian Kasa resolved HIVE-28825.
-----------------------------------
Fix Version/s: 4.1.0
Resolution: Fixed
Merged to master. Thanks [~soumyakanti.das] for the patch.
> Support conversion of complex types to String
> ---------------------------------------------
>
> Key: HIVE-28825
> URL: https://issues.apache.org/jira/browse/HIVE-28825
> Project: Hive
> Issue Type: Improvement
> Components: Hive
> Affects Versions: 4.0.1
> Reporter: Soumyakanti Das
> Assignee: Soumyakanti Das
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.1.0
>
>
> Currently functions like {{md5()}} fails on complex types. For example:
> {noformat}
> create table boolarray2(id int, txt string, num int, flag boolean);
> insert into boolarray2 values
> (1, 'one', 5, 'FALSE'),
> (2, 'two', 14, 'TRUE'),
> (3, NULL, 3, 'FALSE');
> select md5(s) csum from (select struct(*) s from default.boolarray2) s;
> Error: Error while compiling statement: FAILED: SemanticException [Error
> 10014]: Line 1:7 Wrong arguments 's': No matching method for class
> org.apache.hadoop.hive.ql.udf.UDFMd5 with
> (struct<col1:int,col2:string,col3:int,col4:boolean>). Possible choices:
> _FUNC_(binary) _FUNC_(string) (state=42000,code=10014){noformat}
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