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https://issues.apache.org/jira/browse/DRILL-3510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15890081#comment-15890081
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ASF GitHub Bot commented on DRILL-3510:
---------------------------------------
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.
> Add ANSI_QUOTES option so that Drill's SQL Parser will recognize ANSI_SQL
> identifiers
> --------------------------------------------------------------------------------------
>
> Key: DRILL-3510
> URL: https://issues.apache.org/jira/browse/DRILL-3510
> Project: Apache Drill
> Issue Type: Improvement
> Components: SQL Parser
> Reporter: Jinfeng Ni
> Assignee: Vitalii Diravka
> Labels: doc-impacting
> Fix For: 1.10.0
>
> Attachments: DRILL-3510.patch, DRILL-3510.patch
>
>
> Currently Drill's SQL parser uses backtick as identifier quotes, the same as
> what MySQL does. However, this is different from ANSI SQL specification,
> where double quote is used as identifier quotes.
> MySQL has an option "ANSI_QUOTES", which could be switched on/off by user.
> Drill should follow the same way, so that Drill users do not have to rewrite
> their existing queries, if their queries use double quotes.
> {code}
> SET sql_mode='ANSI_QUOTES';
> {code}
>
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