test: Reproduce incorrect type inference for self-referential UUID FK (PostgreSQL) #817
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This PR adds a failing test case to reproduce a bug where a self-referential belongs to relationship with a UUID foreign key is incorrectly migrated as
bigint
instead ofuuid
forPostgreSQL
databases.The test defines a User struct with the problematic relationship and runs
AutoMigrate
. The test will fail because the generated DDL has the wrong column type for the foreign key.This test is for issue #7517 in the main go-gorm/gorm repository.
(Note that SQLite also fails, but I'm not knowlegable enough on SQLite syntax to understand exaclty why)