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https://issues.apache.org/jira/browse/SOLR-10933?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Bernstein resolved SOLR-10933.
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Resolution: Resolved
> LetStream variables are not evaluated in proper order
> -----------------------------------------------------
>
> Key: SOLR-10933
> URL: https://issues.apache.org/jira/browse/SOLR-10933
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: streaming expressions
> Reporter: Joel Bernstein
> Assignee: Joel Bernstein
> Priority: Major
> Fix For: 6.7, 7.0
>
> Attachments: SOLR-10933.patch
>
>
> The LetStream is currently using a HashMap to hold its variable mappings.
> This is problematic because the ordering of the variables will be lost as
> they are evaluated. The test cases pass currently because single letter
> variables in ascending order are used which by luck caused the variables to
> be evaluated in order.
> There is a very simple fix for this which is to use a LinkedHashMap to hold
> the variables to ensure they are evaluated in the order that they are
> received.
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