psl: fix database name clash validation with multiSchema #3255
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The validation we have validates that no two models in the whole schema have the same database name. Database name is defined as the contents of the model's
@@map
attribute, or the model name if the model name does not have an@@map
attribute. It is the name we give to the table/collection corresponding to the model in the database.When the
multiSchema
preview feature is turned on, the tables in the database can be in different schemas, so we have to adapt the validation to allow multiple models to have the same database name, as long as they are in a different schema. This is what this commit does.closes prisma/prisma#15009