refac: db

backend/open_webui/models/models.py

@@ -53,7 +53,7 @@ class ModelMeta(BaseModel):
 class Model(Base):
     __tablename__ = "model"
 
-    id = Column(Text, primary_key=True)
+    id = Column(Text, primary_key=True, unique=True)
     """
         The model's id as used in the API. If set to an existing model, it will override the model.
     """