Details
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Bug
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Resolution: Fixed
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Major - P3
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None
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None
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None
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Fully Compatible
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ALL
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Query Execution 2021-05-03
Description
This bug was discovered from query fuzzer failure: https://spruce.mongodb.com/task/mongodb_mongo_master_enterprise_rhel_80_64_bit_dynamic_sbe_query_fuzzer_sharded_2_enterprise_rhel_80_64_bit_dynamic_sbe_patch_81b5cc9f6e318134cc73e087d5c60618c49e4fad_60873564e3c3311d0d2fca10_21_04_26_21_52_51/tests?execution=0&sortBy=STATUS&sortDir=ASC
Simplified repro:
db.test.drop()
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db.test.insert({})
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const results = db.test.find({a: {$not: {$type: 4}}}).toArray();
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print(tojson(results));
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Classic engine outputs single document in the collection, while SBE does not return any results.