[jira] [Resolved] (SPARK-5009) allCaseVersions function in SqlLexical leads to StackOverflow Exception

[Michael Armbrust (JIRA)]

     [ 
https://issues.apache.org/jira/browse/SPARK-5009?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Michael Armbrust resolved SPARK-5009.
-------------------------------------
       Resolution: Fixed
    Fix Version/s:     (was: 1.2.1)

Issue resolved by pull request 3926
[https://github.com/apache/spark/pull/3926]

> allCaseVersions function in  SqlLexical  leads to StackOverflow Exception
> -------------------------------------------------------------------------
>
>                 Key: SPARK-5009
>                 URL: https://issues.apache.org/jira/browse/SPARK-5009
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.1.1, 1.2.0
>            Reporter: shengli
>             Fix For: 1.3.0
>
>   Original Estimate: 96h
>  Remaining Estimate: 96h
>
> Recently I found a bug when I add new feature in SqlParser. Which is :
> If I define a KeyWord that has a long name. Like：
>  ```protected val ：SERDEPROPERTIES = Keyword("SERDEPROPERTIES")```
> Since the all case version is implement by recursive function, so when  
> ```implicit asParser`` function is called  and the stack memory is very 
> small, it will leads to SO Exception. 
> java.lang.StackOverflowError
>       at 
> scala.util.parsing.combinator.Parsers$Parser$$anonfun$append$1.apply(Parsers.scala:254)
>       at 
> scala.util.parsing.combinator.Parsers$Parser$$anonfun$append$1.apply(Parsers.scala:254)
>       at 
> scala.util.parsing.combinator.Parsers$$anon$3.apply(Parsers.scala:222)
>       at 
> scala.util.parsing.combinator.Parsers$Parser$$anonfun$append$1.apply(Parsers.scala:254)
>       at 
> scala.util.parsing.combinator.Parsers$Parser$$anonfun$append$1.apply(Parsers.scala:254)



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