10 lines
278 B
SQL
10 lines
278 B
SQL
-- query optimization - task 3
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-- noqa: disable=CP03
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create procedure CancelOrder (in TargetOrderID int)
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begin
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delete from Orders
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where OrderID = TargetOrderID;
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select concat("Order ", TargetOrderID, if(row_count() = 1, " is cancelled", " doesn't exist")) as Confirmation;
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end
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