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Feature Request: Implement Existence Check Methods

Feature Request: Implement Existence Check Methods: a task in LegoFlow-SWE (Harbor dataset). TypeORM currently lacks a dedicated, efficient way to check whether at least one row exists in a table for a given condition. Developers must resort to workarounds like selecting all rows with find() and…

The task

TypeORM currently lacks a dedicated, efficient way to check whether at least one row exists in a table for a given condition. Developers must resort to workarounds like selecting all rows with `find()` and checking emptiness, or using `count()` and comparing to zero. Both approaches are less performant than a native…

Part of Lego-X/LegoFlow-SWE.