Details
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Bug
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Resolution: Fixed
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Major - P3
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Backlog
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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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QE 2021-11-29, QE 2021-12-13
Description
It looks like a unionWith query should have reached the memory limit and failed when $group is pushed down, but it suceeded. This is most likely due to the difference in reporting the memory limit in HashAgg as it differs from the classic engine.
The investigator should verify this and determine if the test can be changed or we need to revisit memory usage checks in hashAgg.