Github user vdiravka commented on a diff in the pull request:
https://github.com/apache/drill/pull/520#discussion_r99830247
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/server/options/TypeValidators.java
---
@@ -204,10 +204,11 @@ public void validate(final OptionValue v, final
OptionManager manager) {
* Validator that checks if the given value is included in a list of
acceptable values. Case insensitive.
*/
public static class EnumeratedStringValidator extends StringValidator {
- private final Set<String> valuesSet = new HashSet<>();
+ private final Set<String> valuesSet = new LinkedHashSet<>();
--- End diff --
To show default value first. For example in the output of exception
(TypeValidators.java[#L221](https://github.com/apache/drill/blob/db48298920575cb1c2283e03bdfc7b50e83ae217/exec/java-exec/src/main/java/org/apache/drill/exec/server/options/TypeValidators.java#L221)).
Also I'll replace it with guava one.
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