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https://issues.apache.org/jira/browse/DRILL-1065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14804481#comment-14804481
]
ASF GitHub Bot commented on DRILL-1065:
---------------------------------------
Github user adeneche commented on a diff in the pull request:
https://github.com/apache/drill/pull/159#discussion_r39797379
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/server/options/SessionOptionManager.java
---
@@ -46,6 +47,33 @@ public SessionOptionManager(final OptionManager
systemOptions, final UserSession
}
@Override
+ public void deleteOption(final String name, final OptionValue.OptionType
type) {
+ if (type == OptionValue.OptionType.SESSION) {
+ try { // ensure option exists
+ SystemOptionManager.getValidator(name);
+ } catch (final IllegalArgumentException e) {
+ throw UserException.validationError()
--- End diff --
you can just use:
```
throw UserException.validationError(e).build(logger);
```
> Provide a reset command to reset an option to its default value
> ---------------------------------------------------------------
>
> Key: DRILL-1065
> URL: https://issues.apache.org/jira/browse/DRILL-1065
> Project: Apache Drill
> Issue Type: Improvement
> Components: Execution - Flow
> Reporter: Aman Sinha
> Assignee: Sudheesh Katkam
> Priority: Minor
> Fix For: 1.2.0
>
>
> Within a session, currently we set configuration options and it would be very
> useful to have a 'reset' command to reset the value of an option to its
> default system value:
> ALTER SESSION RESET <option name>
> If we don't want to add a new keyword for RESET, we could potentially
> overload the SET command and allow the user to set to the 'default' value.
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