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我有一个分区视图，其中包含以下插入触发器（可怜的 mans 分区）。当我执行 DELETE 时，我得到以下查询计划：

delete from factproductprice where pricedate = '20170725'

在视图上触发：

ALTER TRIGGER [dbo].[factProductPriceDelete] ON [dbo].[FactProductPrice]
INSTEAD OF DELETE AS
BEGIN
  IF @@ROWCOUNT = 0 RETURN;

  DECLARE @PriceDate DATE
  SELECT @PriceDate = CAST(PriceDate AS DATE) FROM DELETED
  IF @PriceDate BETWEEN '20140101' AND '20141231'
  BEGIN
    DELETE FROM dbo.FactProductPrice2014
    WHERE ProductId IN (SELECT ProductId FROM DELETED) AND SalesPriceSchemeId IN (SELECT SalesPriceSchemeId FROM DELETED) AND PriceDate IN (SELECT PriceDate FROM DELETED) 
  END
  IF @PriceDate BETWEEN '20150101' AND '20151231'
  BEGIN
    DELETE FROM …