Chen Luo created ASTERIXDB-2119:
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Summary: 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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