[jira] [Closed] (SPARK-14323) [SQL] SHOW FUNCTIONS did not work properly

["Bo Meng (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-14323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bo Meng closed SPARK-14323.
---------------------------
    Resolution: Won't Fix

> [SQL] SHOW FUNCTIONS did not work properly
> ------------------------------------------
>
>                 Key: SPARK-14323
>                 URL: https://issues.apache.org/jira/browse/SPARK-14323
>             Project: Spark
>          Issue Type: Bug
>            Reporter: Bo Meng
>            Priority: Minor
>
> Show Functions syntax can be found here:
> https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL#LanguageManualDDL-ShowFunctions
> When use "*" in the LIKE clause, it will not return the expected results. 
> This is because "\*" did not get escaped before passing to the regex. If we do not escape "\*", for example, pattern "\*f\*", it will cause exception (PatternSyntaxException, Dangling meta character) and thus return empty result.
> try this: 
> val p = "\*f\*".r



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