[6.0.2] Query: Avoid stackoverflow in lifting group by aggregate term #27131
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AndriySvyryd
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Correlate the scalar subquery with parent SelectExpression Resolves #27094
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Correlate the scalar subquery with parent SelectExpression
Resolves #27094
Description
Certain queries with group by aggregate on multiple level generates stackoverflow exception.
Customer impact
Program crashes with stackoverflow exception.
How found
Customer reported on 6.0.1
Regression
Yes. Query used to work in 5.0 version.
Testing
Added test for customer scenario and similar variations.
Risk
Low risk. Also added quirk mode.