sql-server – SQL语句在where子句中用于搜索数据库

我想要一个“if语句”在我的where子句,但不能让它工作. where子句只能使用非空参数进行过滤.

这是sp

ALTER PROCEDURE spVillaGet 
-- Add the parameters for the stored procedure here
@accomodationFK int = null,@regionFK int = null,@arrivalDate datetime,@numberOfNights int,@sleeps int = null,@priceFloor money = null,@priceCeil money = null
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;

-- Insert statements for procedure here
select tblVillas.*,tblWeeklyPrices.price from tblVillas
INNER JOIN tblWeeklyPrices on tblVillas.villaId = tblWeeklyPrices.villaFK
where 
    If @accomodationFK <> null then
        accomodationTypeFK = @accomodationFK 
     @regionFK <> null Then
        And regionFK = @regionFK 
    IF @sleeps <> null Then
        And sleeps = @sleeps 
    IF @priceFloor <> null Then
        And price >= @priceFloor And price <= @priceCeil


END

任何想法如何做到这一点？

解决方法

select tblVillas.*,tblWeeklyPrices.price 
from tblVillas
INNER JOIN tblWeeklyPrices on tblVillas.villaId = tblWeeklyPrices.villaFK
where (@accomodationFK IS null OR accomodationTypeFK = @accomodationFK)
  AND (@regionFK IS null or regionFK = @regionFK)
  AND (@sleeps IS null OR sleeps = @sleeps)
  AND (@priceFloor IS null OR (price BETWEEN @priceFloor And @priceCeil))

（编辑：李大同）

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