--参数
declare @id int
declare @id_id int--循环
while (@id_id <> 0)
begin
select @id = id,@id_id = id_id from Table1 where id = @id_id
endreturn @id
declare @id int
declare @id_id int--循环
while (@id_id <> 0)
begin
select @id = id,@id_id = id_id from Table1 where id = @id_id
endreturn @id
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