with my1 as(select * from NewsClass where id = @did
union all select NewsClass.* from my1, NewsClass where my1.id = NewsClass.parentID
)
delete from NewsClass where exists (select id from my1 where my1.id = NewsClass.id)
union all select NewsClass.* from my1, NewsClass where my1.id = NewsClass.parentID
)
delete from NewsClass where exists (select id from my1 where my1.id = NewsClass.id)
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