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Posted to dev@lucene.apache.org by "Joel Bernstein (JIRA)" <ji...@apache.org> on 2018/03/05 17:36:00 UTC
[jira] [Resolved] (SOLR-10933) LetStream variables are not
evaluated in proper order
[ https://issues.apache.org/jira/browse/SOLR-10933?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joel Bernstein resolved SOLR-10933.
-----------------------------------
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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