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https://issues.apache.org/jira/browse/HIVE-3204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13402858#comment-13402858
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Edward Capriolo commented on HIVE-3204:
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Really we can not cover '!' since we are totally relying on something external.
We could do:
{noformat}
! ${env:JAVA_HOME}/bin/java -jar SomeClassWeMade arg[1] arg[2]
{noformat}
Or we could add these things directly to the hive language.
In the end we might really need your windows!! unix!! approach its not a
problem worth losing much sleepover.
> Windows: Fix the unit tests which contains “!<cmd>” commands (Unix shell
> commands)
> ----------------------------------------------------------------------------------
>
> Key: HIVE-3204
> URL: https://issues.apache.org/jira/browse/HIVE-3204
> Project: Hive
> Issue Type: Sub-task
> Components: Tests, Windows
> Affects Versions: 0.10.0
> Reporter: Kanna Karanam
> Assignee: Kanna Karanam
> Fix For: 0.10.0
>
>
> Possible solution 1: (Preferred one)
> !<Unix cmd | Windows cmd> => Keeping the same syntax. Hive uses Java runtime
> to launch the shell command so any attempt to run windows commands on Unix
> will fail and vice versa.
> To deal with unit tests. Unix commands in each .q file will be modified as
> shown below. I will filter out the !commands which can’t be run on the
> current .
> Original entry in.q file:
> !rm -rf ../build/ql/test/data/exports/exim_department;
> It will be replaced with the following entries.
> UNIX::!rm -rf ../build/ql/test/data/exports/exim_department;
> WINDOWS::!del ../build/ql/test/data/exports/exim_department
> Possible solution 2:
> Provide a Shell UDF library(JAVA Based code)to support platform independent
> shell functionality
> Cons –
> 1) Difficult to provide full shell functionality
> 2) Takes long time
> 3) Difficult to manage
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