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https://issues.apache.org/jira/browse/HIVE-14580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15429908#comment-15429908
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Xuefu Zhang commented on HIVE-14580:
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I thought Hive uses || as OR, and if so, wouldn't this bring some ambiguity? I
don't see how the link above explains about this.
> Introduce || operator
> ---------------------
>
> Key: HIVE-14580
> URL: https://issues.apache.org/jira/browse/HIVE-14580
> Project: Hive
> Issue Type: Sub-task
> Components: SQL
> Reporter: Ashutosh Chauhan
>
> Functionally equivalent to concat() udf. But standard allows usage of || for
> string concatenations.
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