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https://issues.apache.org/jira/browse/HIVE-22622?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krisztian Kasa reassigned HIVE-22622:
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Assignee: Krisztian Kasa
> Hive allows to create a struct with duplicate attribute names
> -------------------------------------------------------------
>
> Key: HIVE-22622
> URL: https://issues.apache.org/jira/browse/HIVE-22622
> Project: Hive
> Issue Type: Bug
> Reporter: Denys Kuzmenko
> Assignee: Krisztian Kasa
> Priority: Major
>
> When you create at table with a struct with twice the same attribute name,
> hive allow you to create it.
> create table test_struct( duplicateColumn struct<id:int, id:int>);
> You can insert data into it :
> insert into test_struct select named_struct("id",1,"id",1);
> But you can not read it :
> select * from test_struct;
> Return : java.io.IOException: java.io.IOException: Error reading file:
> hdfs://.../test_struct/delta_0000001_0000001_0000/bucket_00000 ,
> We can create and insert. but fail on read the Struct part of the tables. We
> can still read all other columns (if we have more than one) but not the
> struct anymore.
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