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https://issues.apache.org/jira/browse/AMQ-8613?focusedWorklogId=781163&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-781163
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ASF GitHub Bot logged work on AMQ-8613:
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                Author: ASF GitHub Bot
            Created on: 14/Jun/22 12:55
            Start Date: 14/Jun/22 12:55
    Worklog Time Spent: 10m 
      Work Description: jbonofre commented on PR #842:
URL: https://github.com/apache/activemq/pull/842#issuecomment-1155149334

   Great ! I will do a new pass. Thanks !




Issue Time Tracking
-------------------

    Worklog Id:     (was: 781163)
    Time Spent: 50m  (was: 40m)

> Improve performance of selectors with a big sequence of OR and AND logical 
> expressions
> --------------------------------------------------------------------------------------
>
>                 Key: AMQ-8613
>                 URL: https://issues.apache.org/jira/browse/AMQ-8613
>             Project: ActiveMQ
>          Issue Type: Improvement
>          Components: JMS client
>    Affects Versions: 5.17.1
>            Reporter: Enrico Olivelli
>            Priority: Major
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> Currently when you create a selector with OR and ANDs the filter creates a 
> huge stack trace.
> This is because for each element in the OR and AND expression node we have to 
> execute a method call.
> This is happening because OR and AND expressions are treated as 
> BinaryExpressions.
> A very simple but effecting improvement is to not represent OR and AND 
> expressions as binary expression but store the list of siblings expression in 
> only one node.



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