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https://issues.apache.org/jira/browse/HIVE-4494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13652214#comment-13652214
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Kevin Wilfong commented on HIVE-4494:
-------------------------------------
+1
Go ahead and commit if tests pass.
> ORC map columns get class cast exception in some context
> --------------------------------------------------------
>
> Key: HIVE-4494
> URL: https://issues.apache.org/jira/browse/HIVE-4494
> Project: Hive
> Issue Type: Bug
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Attachments: HIVE-4494.D10653.1.patch, HIVE-4494.D10653.2.patch
>
>
> Setting up the test case like:
> {quote}
> create table map_text (
> name string,
> m map<string,string>
> ) row format delimited
> fields terminated by '|'
> collection items terminated by ','
> map keys terminated by ':';
> create table map_orc (
> name string,
> m map<string,string>
> ) stored as orc;
> cat map.txt
> name1|key11:value11,key12:value12,key13:value13
> name2|key21:value21,key22:value22,key23:value23
> name3|key31:value31,key32:value32,key33:value33
> load data local inpath 'map.txt' into table map_text;
> insert overwrite table map_orc select * from map_text;
> {quote}
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