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https://issues.apache.org/jira/browse/HIVE-1604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12903570#action_12903570
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Vaibhav Aggarwal commented on HIVE-1604:
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Hi
I have submitted a patch which allows users to specify command line variables
in Hive.
This patch performs variable substitution in commands issued using HIVE CLI.
Sample use:
hive \
-d SAMPLE=s3://elasticmapreduce/samples/hive-ads \
-d DATE=2009-04-13-08-05
hive> add jar ${SAMPLE}/libs/jsonserde.jar ;
hive> create external table impressions (
hive> requestBeginTime string, requestEndTime string, hostname string
hive> )
hive> partitioned by (
hive> dt string
hive> )
hive> row format
hive> serde 'com.amazon.elasticmapreduce.JsonSerde'
hive> with serdeproperties (
hive> 'paths'='requestBeginTime, requestEndTime, hostname'
hive> )
hive> location '${SAMPLE}/tables/impressions' ;
> Patch to allow variables in Hive
> --------------------------------
>
> Key: HIVE-1604
> URL: https://issues.apache.org/jira/browse/HIVE-1604
> Project: Hadoop Hive
> Issue Type: Improvement
> Components: CLI
> Reporter: Vaibhav Aggarwal
> Attachments: HIVE-1604.patch
>
>
> Patch to Hive which allows command line substitution.
> The patch modifies the Hive command line driver and options processor to
> support the following arguments:
> hive [-d key=value] [-define key=value]
> -d Subsitution to apply to script
> -define Subsitution to apply to script
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