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Backwards Compatibility:
Fully Compatible
Operating System:
ALL
Steps To Reproduce:

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Initiate a rollback while running the tests in timeseries_union_with.js which were added under ~~SERVER-53619~~.

https://spruce.mongodb.com/task/mongodb_mongo_master_enterprise_rhel_80_64_bit_dynamic_all_feature_flags_required_burn_in:retryable_writes_jscore_stepdown_passthrough_1_enterprise_rhel_80_64_bit_dynamic_all_feature_flags_required_patch_6afd283045dc43c0b249424ba03a72b89e5ad8c6_605d1da161837d3c4877b6d9_21_03_25_23_33_22/tests?execution=3&sortBy=STATUS&sortDir=ASC

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Initiate a rollback while running the tests in timeseries_union_with.js which were added under SERVER-53619 . https://spruce.mongodb.com/task/mongodb_mongo_master_enterprise_rhel_80_64_bit_dynamic_all_feature_flags_required_burn_in:retryable_writes_jscore_stepdown_passthrough_1_enterprise_rhel_80_64_bit_dynamic_all_feature_flags_required_patch_6afd283045dc43c0b249424ba03a72b89e5ad8c6_605d1da161837d3c4877b6d9_21_03_25_23_33_22/tests?execution=3&sortBy=STATUS&sortDir=ASC
Sprint:
Execution Team 2021-04-05, Execution Team 2021-04-19
Linked BF Score:
122

While testing $unionWith in an agg pipeline against a time-series collection, we observed a repeated failure where an fassert() is tripped here.

The rollback requires an _id of the system.bucket.X collection. When the collection is clustered, these queries fail.

is related to

SERVER-53619 Verify that $lookup and $unionWith work against time-series collections

Participants:: David Storch, Eric Cox, Ethan Zhang, Githook User, Louis Williams