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https://issues.apache.org/jira/browse/HIVE-12541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaowei Wang updated HIVE-12541:
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Summary: SymbolicTextInputFormat should supports the path with regex (was:
Using CombineHiveInputFormat with the origin inputformat
SymbolicTextInputFormat ,it cannot resolve the path with regex)
> SymbolicTextInputFormat should supports the path with regex
> -----------------------------------------------------------
>
> Key: HIVE-12541
> URL: https://issues.apache.org/jira/browse/HIVE-12541
> Project: Hive
> Issue Type: Improvement
> Affects Versions: 0.14.0, 1.2.0, 1.2.1
> Reporter: Xiaowei Wang
> Assignee: Xiaowei Wang
> Attachments: HIVE-12541.1.patch
>
>
> Table desc :
> {noformat}
> CREATE External TABLE `symlink_text_input_format`(
> `key` string,
> `value` string)
> ROW FORMAT SERDE
> 'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe'
> STORED AS INPUTFORMAT
> 'org.apache.hadoop.hive.ql.io.SymlinkTextInputFormat'
> OUTPUTFORMAT
> 'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
> LOCATION
> 'viewfs://nsX/user/hive/warehouse/symlink_text_input_format'
> {noformat}
> There is a link file in the dir
> '/user/hive/warehouse/symlink_text_input_format' , the content of the link
> file is
> {noformat}
> viewfs://nsx/tmp/symlink*
> {noformat}
> it contains one path ,and the path contains a regex!
> Execute the sql :
> {noformat}
> set hive.rework.mapredwork = true ;
> set hive.input.format=org.apache.hadoop.hive.ql.io.CombineHiveInputFormat;
> set mapred.min.split.size.per.rack= 0 ;
> set mapred.min.split.size.per.node= 0 ;
> set mapred.max.split.size= 0 ;
> select count(*) from symlink_text_input_format ;
> {noformat}
> It will get wrong result :0
> At the same time ,I add a test case in the patch.
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