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https://issues.apache.org/jira/browse/GEODE-8891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17376813#comment-17376813
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ASF GitHub Bot commented on GEODE-8891:
---------------------------------------

mreddington commented on a change in pull request #830:
URL: https://github.com/apache/geode-native/pull/830#discussion_r665669483



##########
File path: cppcache/src/ThinClientRegion.cpp
##########
@@ -589,7 +595,7 @@ std::shared_ptr<SelectResults> ThinClientRegion::query(
   }
 
   std::string squery;
-  if (std::regex_search(predicate, PREDICATE_IS_FULL_QUERY_REGEX)) {
+  if (std::regex_search(predicate, IsFullQueryRegex::instance())) {

Review comment:
       Why wrap the static const in a singleton? That sounds like an even more 
complicated solution. You could have just made this regex a local const 
variable. Who cares about runtime performance when this isn't where we're slow? 
The class still needs to be initialized at runtime anyway, as you've found out 
the hard way, and instead of burdening the whole test harness with the 
initialization of a global static, you could isolate that initialization to the 
instantiation of this test when it's ran.




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> Convert remaining singletons to Meyers pattern
> ----------------------------------------------
>
>                 Key: GEODE-8891
>                 URL: https://issues.apache.org/jira/browse/GEODE-8891
>             Project: Geode
>          Issue Type: Improvement
>          Components: native client
>            Reporter: Blake Bender
>            Priority: Major
>              Labels: pull-request-available
>
> As a developer, it is to my advantage to preemptively pay technical debt when 
> I can, especially if said debt has potentially subtle bugs.  Geode Native 
> still has several poortly-written singleton objects in legacy code, and as 
> we've just seen with the rewrite of EventId for GEODE-8887, these can 
> introduce very strange behavior in a multi-threaded app.  We need to identify 
> any of these remaining, and clean them up like we did for EventId.



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