Paulo456 commented on issue #15854:
URL: https://github.com/apache/superset/issues/15854#issuecomment-1683732902

   if u have 50k+ virtual datasets - to edit very slow in frontend superset.
   to change this - check only phis datasets for access and parse virt dataset 
for real tables, like sqllab.
   
   
   u need to update security manager superset for check real tables and set sql 
updates (example):
   
   `ALTER TABLE public.ab_view_menu ADD "sql" boolean NULL;
   
   UPDATE public.ab_view_menu SET "sql"=false where 1=1;
   
   UPDATE public.ab_view_menu
   SET "sql" = true
   from tables t
   WHERE t.perm = public.ab_view_menu."name" 
   and (t."sql" is not null or t."sql" != '');`
   
   `class PermissionView(Model):
       __tablename__ = "ab_permission_view"
       __table_args__ = (UniqueConstraint("permission_id", "view_menu_id"),)
       id = Column(Integer, Sequence("ab_permission_view_id_seq"), 
primary_key=True)
       permission_id = Column(Integer, ForeignKey("ab_permission.id"))
       permission = relationship("Permission", lazy="joined")
       view_menu_id = Column(Integer, ForeignKey("ab_view_menu.id"))
       +view_menu = relationship(
           ViewMenu,
           primaryjoin="""and_(
                   ViewMenu.id==PermissionView.view_menu_id,
                   or_(ViewMenu.sql==False, ViewMenu.sql == None )
                   )""",
           innerjoin=True,
           lazy="joined",
       )
   ....
   class ViewMenu(Model):
       __tablename__ = "ab_view_menu"
       id = Column(Integer, Sequence("ab_view_menu_id_seq"), primary_key=True)
       name = Column(String(250), unique=True, nullable=False)
      + sql = Column(Boolean)`
   
   
   


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