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https://issues.apache.org/jira/browse/DRILL-5723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16151191#comment-16151191
 ] 

ASF GitHub Bot commented on DRILL-5723:
---------------------------------------

Github user ilooner commented on a diff in the pull request:

    https://github.com/apache/drill/pull/923#discussion_r136669723
  
    --- Diff: 
exec/java-exec/src/main/java/org/apache/drill/exec/server/options/SystemOptionManager.java
 ---
    @@ -70,11 +69,13 @@
      *  </p>
      */
     
    -public class SystemOptionManager extends BaseOptionManager implements 
OptionManager, AutoCloseable {
    +public class SystemOptionManager extends BaseOptionManager implements 
AutoCloseable {
       private static final org.slf4j.Logger logger = 
org.slf4j.LoggerFactory.getLogger(SystemOptionManager.class);
     
    -  private CaseInsensitiveMap<OptionValidator> VALIDATORS;
    -  public void populateValidators() {
    +  public static final CaseInsensitiveMap<OptionValidator> 
DEFAULT_VALIDATORS =
    --- End diff --
    
    I don't completely follow this. Let's talk about this offline next week so 
that I can understand :). I can post the conclusion of the discussion on the PR 
for the community then.


> Support System/Session Internal Options
> ---------------------------------------
>
>                 Key: DRILL-5723
>                 URL: https://issues.apache.org/jira/browse/DRILL-5723
>             Project: Apache Drill
>          Issue Type: New Feature
>            Reporter: Timothy Farkas
>            Assignee: Timothy Farkas
>
> This is a feature proposed by [~ben-zvi].
> Currently all the options are accessible by the user in sys.options. We would 
> like to add internal options which can be altered, but are not visible in the 
> sys.options table. These internal options could be seen by another alias 
> select * from internal.options. The intention would be to put new options we 
> weren't comfortable with exposing to the end user in this table.
> After the options and their corresponding features are considered stable they 
> could be changed to appear in the sys.option table.



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