Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/159#discussion_r40027080
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/server/options/FallbackOptionManager.java
---
@@ -102,6 +119,29 @@ public void setOption(OptionValue value) {
}
@Override
+ public void deleteOption(final String name, final OptionType type) {
+ try {
+ SystemOptionManager.getValidator(name); // ensure the option exists
+ } catch (final IllegalArgumentException e) {
+ throw UserException.validationError(e)
+ .build(logger);
+ }
+
+ // fallback if unable to delete locally
+ if (!deleteLocalOption(name, type)) {
--- End diff --
Implementations of OptionManager are required to be case insensitive to
option names (mentioned in the OptionManager class docs). Calling
```name.toLowerCase()``` in this one place is insufficient to ensure
*implementation will always be case insensitive.*
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