[jira] [Work logged] (AMQ-8613) Improve performance of selectors with a big sequence of OR and AND logical expressions

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMQ-8613?focusedWorklogId=775431&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-775431 ]

ASF GitHub Bot logged work on AMQ-8613:
---------------------------------------

                Author: ASF GitHub Bot
            Created on: 27/May/22 08:37
            Start Date: 27/May/22 08:37
    Worklog Time Spent: 10m 
      Work Description: jbonofre commented on PR #842:
URL: https://github.com/apache/activemq/pull/842#issuecomment-1139405407

   @eolivelli can you please squash all commits in one ? Thanks !




Issue Time Tracking
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            Worklog Id:     (was: 775431)
    Remaining Estimate: 0h
            Time Spent: 10m

> 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: 10m
>  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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