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https://issues.apache.org/jira/browse/FLINK-21701?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17304268#comment-17304268
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xiangtao commented on FLINK-21701:
----------------------------------

hi [~fsk119] :

  mybe i can implement this feature , my thoughts are as follows : 
 # need to set SqlCommand.RESET  define one SINGLE_OPERAND param  in 
SqlCommandParser 
 # need to rewrite callReset method to reset ExecutionContext for corresponding 
key value , this can invoke setSessionProperty(String sessionId, String key, 
String value)  method in LocalExecutor 

that all my idea ,  has any other suggestions ?  

> Support "RESET key" statement in the SQL Client
> -----------------------------------------------
>
>                 Key: FLINK-21701
>                 URL: https://issues.apache.org/jira/browse/FLINK-21701
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table SQL / Client
>    Affects Versions: 1.13.0
>            Reporter: Shengkai Fang
>            Priority: Major
>              Labels: starter
>
> Allow to reset the specified key by input 
> {code:java}
> // code placeholder
> RESET table.planner.type;{code}



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