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https://issues.apache.org/jira/browse/ASTERIXDB-2119?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chen Luo reopened ASTERIXDB-2119:
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Seems we missed some places of creating Projection operator...
> Project Rule has non-deterministic ordering of variables
> --------------------------------------------------------
>
> Key: ASTERIXDB-2119
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-2119
> Project: Apache AsterixDB
> Issue Type: Improvement
> Components: COMP - Compiler
> Reporter: Chen Luo
> Assignee: Chen Luo
>
> IntroduceProjectsRule introduces projections whenever needed to eliminate
> unnecessary variables. However, the current implementation depends on
> HashSet, which makes the ordering of output variables indeterministic. This
> is undesirable for tests, and some operators which may depend on the ordering
> of variables.
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