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https://issues.apache.org/jira/browse/HIVE-8094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14152416#comment-14152416
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peter liu commented on HIVE-8094:
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[~jdere] Thanks for your comments. Actually, this patch does exactly what you
asked for: make the SHOW FUNCTIONS LIKE pattern work in the same way as SHOW
TABLE. You can see I substitute '*' with '.*' from the code review.
Another difference from 'SHOW FUNCTIONS [pattern]' is, 'SHOW FUNCTIONS LIKE
[pattern]' will also search the functions which have been registered on
metastore, which could fix the bug that 'SHOW FUNCTIONS [pattern]' couldn't
list the functions registered on metastore.
> add LIKE keyword support for SHOW FUNCTIONS
> -------------------------------------------
>
> Key: HIVE-8094
> URL: https://issues.apache.org/jira/browse/HIVE-8094
> Project: Hive
> Issue Type: Improvement
> Affects Versions: 0.14.0, 0.13.1
> Reporter: peter liu
> Assignee: peter liu
> Fix For: 0.14.0
>
> Attachments: HIVE-8094.1.patch, HIVE-8094.2.patch, HIVE-8094.3.patch
>
>
> It would be nice to add LIKE keyword support for SHOW FUNCTIONS as below,
> and keep the patterns consistent to the way as SHOW DATABASES, SHOW TABLES.
> bq. SHOW FUNCTIONS LIKE 'foo*';
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