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https://issues.apache.org/jira/browse/QPID-8581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17552200#comment-17552200
 ] 

ASF GitHub Bot commented on QPID-8581:
--------------------------------------

vavrtom commented on code in PR #121:
URL: https://github.com/apache/qpid-broker-j/pull/121#discussion_r893482694


##########
broker-plugins/broker-query-engine/src/main/java/org/apache/qpid/server/query/engine/QueryEngine.java:
##########
@@ -112,6 +111,10 @@ public void setMaxBigDecimalValue(final BigDecimal 
maxBigDecimalValue)
         _maxBigDecimalValue = maxBigDecimalValue;
     }
 
+    public void setMaxQueryCacheSize(final int maxQueryCacheSize) {

Review Comment:
   The curly bracket should be on new line.



##########
broker-plugins/broker-query-engine/src/main/java/org/apache/qpid/server/query/engine/evaluator/settings/QuerySettings.java:
##########
@@ -63,12 +62,12 @@
     /**
      * Maximal amount of queries allowed caching
      */
-    private int _maxQueryCacheSize = HttpPort.DEFAULT_QUERY_ENGINE_CACHE_SIZE;
+    private int _maxQueryCacheSize = 1000;

Review Comment:
   The default value constant could be defined in this class (or in some other 
class in query engine plugin) and reused in HttpManagementConfiguration to 
avoid duplication of default values.



##########
broker-plugins/broker-query-engine/src/main/java/org/apache/qpid/server/query/engine/evaluator/settings/QuerySettings.java:
##########
@@ -63,12 +62,12 @@
     /**
      * Maximal amount of queries allowed caching
      */
-    private int _maxQueryCacheSize = HttpPort.DEFAULT_QUERY_ENGINE_CACHE_SIZE;
+    private int _maxQueryCacheSize = 1000;
 
     /**
      * Maximal amount of query tree nodes allowed
      */
-    private int _maxQueryDepth = HttpPort.DEFAULT_QUERY_ENGINE_MAX_QUERY_DEPTH;
+    private int _maxQueryDepth = 4096;

Review Comment:
   The default value constant could be defined in this class (or in some other 
class in query engine plugin) and reused in HttpManagementConfiguration to 
avoid duplication of default values.



##########
broker-plugins/broker-query-engine/src/main/java/org/apache/qpid/server/query/engine/evaluator/settings/QuerySettings.java:
##########
@@ -78,7 +77,7 @@
     /**
      * ZoneId used in date/time representation
      */
-    private ZoneId _zoneId = ZoneId.of(HttpPort.DEFAULT_QUERY_ENGINE_ZONE_ID);
+    private ZoneId _zoneId = ZoneId.of("UTC");

Review Comment:
   The default value constant could be defined in this class (or in some other 
class in query engine plugin) and reused in HttpManagementConfiguration to 
avoid duplication of default values.





> [Broker-J] Broker-J Query REST API improvements
> -----------------------------------------------
>
>                 Key: QPID-8581
>                 URL: https://issues.apache.org/jira/browse/QPID-8581
>             Project: Qpid
>          Issue Type: Improvement
>          Components: Broker-J
>    Affects Versions: qpid-java-broker-8.0.6
>            Reporter: Daniil Kirilyuk
>            Priority: Minor
>
> Existing broker REST API (including broker query API) doesn’t support such 
> functions as aggregation, grouping and using nested logical operators, which 
> could be useful for gathering broker statistics and reporting.
> We suggest to add a new POST method for the endpoint /api/latest/querybroker 
> and supply search criteria using JSON body. (Existing GET method 
> implementation should stay without changes for keeping backwards 
> compatibility and because of difficulties of parsing complicated search 
> conditions from URI parameters when using GET request method).
> The new functionality should add
>  * logical OR operator (absent in current API)
>  * aggregation operators AVG, CNT, MAX, MIN, SUM
>  * grouping aggregation
>  * new numeric / datetime / string functions



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