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https://issues.apache.org/jira/browse/ORC-726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17308147#comment-17308147
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Dongjoon Hyun commented on ORC-726:
-----------------------------------
Thank you for checking, [~yuokada]. However, it's because ORC-735 fixes the
case of a single file. `Map` type is not supported still correctly if you give
multiple files.
{code}
$ java -jar java/tools/target/orc-tools-1.7.0-SNAPSHOT-uber.jar convert
examples/orc-file-11-format.orc examples/orc-file-11-format.orc
log4j:WARN No appenders could be found for logger
(org.apache.hadoop.util.Shell).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more
info.
Merging schema from examples/orc-file-11-format.orc
Exception in thread "main" java.lang.IllegalArgumentException: Unhandled type
map<string,struct<int1:int,string1:string>>
{code}
> Support Map type in `orc-tools convert`
> ---------------------------------------
>
> Key: ORC-726
> URL: https://issues.apache.org/jira/browse/ORC-726
> Project: ORC
> Issue Type: Sub-task
> Components: tools
> Affects Versions: 1.7.0
> Reporter: Dongjoon Hyun
> Priority: Major
>
> {code}
> $ orc-tools version
> ORC 1.6.6
> $ orc-tools convert examples/orc-file-11-format.orc
> Merging schema from examples/orc-file-11-format.orc
> Exception in thread "main" java.lang.IllegalArgumentException: Unhandled type
> map<string,struct<int1:int,string1:string>>
> at
> org.apache.orc.tools.json.JsonSchemaFinder.makeHiveType(JsonSchemaFinder.java:315)
> at
> org.apache.orc.tools.json.JsonSchemaFinder.makeHiveType(JsonSchemaFinder.java:302)
> at
> org.apache.orc.tools.json.JsonSchemaFinder.addSchema(JsonSchemaFinder.java:320)
> at
> org.apache.orc.tools.convert.ConvertTool.buildSchema(ConvertTool.java:78)
> at org.apache.orc.tools.convert.ConvertTool.<init>(ConvertTool.java:185)
> at org.apache.orc.tools.convert.ConvertTool.main(ConvertTool.java:165)
> at org.apache.orc.tools.Driver.main(Driver.java:116)
> {code}
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