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From GitBox <...@apache.org>
Subject [GitHub] [incubator-zipkin] adriancole commented on a change in pull request #2572: annotation query parsing improvements
Date Thu, 09 May 2019 09:44:24 GMT
adriancole commented on a change in pull request #2572: annotation query parsing improvements
URL: https://github.com/apache/incubator-zipkin/pull/2572#discussion_r282413781
 
 

 ##########
 File path: zipkin/src/main/java/zipkin2/storage/QueryRequest.java
 ##########
 @@ -196,10 +197,13 @@ public Builder parseAnnotationQuery(@Nullable String annotationQuery)
{
       for (String ann : annotationQuery.split(" and ", 100)) {
         int idx = ann.indexOf('=');
         if (idx == -1) {
-          map.put(ann, "");
+          // put the annotation only if there is no key present already, prevents overriding
more specific tags
+          map.putIfAbsent(ann.trim(), "");
 
 Review comment:
   this is a JDK 1.8 function so failing because this type is in the core library.
   ```suggestion
             ann = ann.trim();
             if (!map.containsKey(ann)) map.put(ann, "");
   ```

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