●這個實例是我在做項目時候遇到的一個排名的存儲過程，根據把得分，分別在不同的月份區間在全國和大區內排名
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_NULLS ON
GO
CREATE PROCEDURE [dbo].[proc_mot_sort]
(@startYear int
, @startMonth int
, @endYear int
, @endMonth int
, @sQuayear int
, @sQuamonth int
, @eQuayear int
, @eQuamonth int
)
AS
BEGIN
--SET NOCOUNT ON; -- 不返回計數
DECLARE @temp TABLE --定義臨時表
( stat_year INT
, stat_month INT
, larea_pk INT
, sarea_pk INT
, dealer_pk BIGINT
, score DECIMAL(19,14)
, sort int identity)
-- 查詢經銷商在全國範圍內要更新排名的得分
IF @startYear = @endYear --售後 起始年份與終止年份相同
BEGIN
INSERT INTO @temp (stat_year,stat_month,larea_pk,sarea_pk,dealer_pk,score)
SELECT a.stat_year,a.stat_month,a.larea_pk,a.sarea_pk,a.dealer_pk,a.score
FROM VMCSS.t_after_mot_statistics a
JOIN VMCSS.t_dealers_zh c ON a.stat_year = c.stat_year AND a.stat_month = c.stat_month
AND a.larea_pk = c.l_area_pk AND a.sarea_pk = c.s_area_pk AND a.dealer_pk = c.pk_id and c.isorder<>0
WHERE a.dealer_pk <> -1 AND ((a.stat_year = @startYear AND (a.stat_month >= @startMonth and a.stat_month <= @endMonth) OR
(a.stat_year = @sQuayear AND (a.stat_month >= @sQuamonth and a.stat_month <= @eQuamonth))))
ORDER BY a.stat_year,a.stat_month,a.score DESC
END
ELSE --售後 起始年份與終止年份不同
BEGIN
INSERT INTO @temp (stat_year,stat_month,larea_pk,sarea_pk,dealer_pk,score)
SELECT a.stat_year,a.stat_month,a.larea_pk,a.sarea_pk,a.dealer_pk,a.score
FROM VMCSS.t_after_mot_statistics a
JOIN VMCSS.t_dealers_zh c ON a.stat_year = c.stat_year AND a.stat_month = c.stat_month
AND a.larea_pk = c.l_area_pk AND a.sarea_pk = c.s_area_pk AND a.dealer_pk = c.pk_id and c.isorder<>0
WHERE a.dealer_pk <> -1 AND ((a.stat_year = @startYear AND (a.stat_month >= @startMonth and a.stat_month <= 12))
OR (a.stat_year = @endYear AND (a.stat_month >= 1 and a.stat_month <= @endMonth))
OR (a.stat_year > @startYear AND a.stat_year < @endYear)
OR (a.stat_year = @sQuayear AND (a.stat_month >= @sQuamonth and a.stat_month <= @eQuamonth)))
ORDER BY a.stat_year,a.stat_month,a.score DESC
END
--整理@temp表中的排名
BEGIN
DECLARE @cur_year INT
DECLARE @cur_month INT
DECLARE @cur_larea INT
DECLARE @cur_sarea INT
DECLARE @cur_dealer BIGINT
DECLARE @cur_score DECIMAL(19,14)
DECLARE @cur_sort INT
DECLARE @old_year INT
DECLARE @old_month INT
DECLARE @old_larea INT
DECLARE @old_sarea INT
DECLARE @old_dealer BIGINT
DECLARE @old_score DECIMAL(19,14)
DECLARE @old_sort INT
DECLARE @delcount INT
SET @delcount = 1
DECLARE @cnt INT
SET @cnt = (SELECT count(1) FROM @temp)
WHILE @cnt > 0
BEGIN
SELECT TOP 1 @cur_year = stat_year
, @cur_month = stat_month
, @cur_larea = larea_pk
, @cur_sarea = sarea_pk
, @cur_dealer = dealer_pk
, @cur_score = score
, @cur_sort = sort
FROM @temp ORDER BY sort
IF @cur_year<> @old_year OR @cur_month <> @old_month -- 公共的條件
BEGIN
SET @delcount = @cur_sort
END
IF @old_score = @cur_score --如果得分和上一名次的相同，則名次也是一樣的
BEGIN
UPDATE VMCSS.t_after_mot_statistics SET country_sort = @old_sort WHERE stat_year = @cur_year AND stat_month = @cur_month
AND larea_pk = @cur_larea AND sarea_pk = @cur_sarea AND dealer_pk = @cur_dealer
END
ELSE
BEGIN
UPDATE VMCSS.t_after_mot_statistics SET country_sort = @cur_sort - @delcount + 1 WHERE stat_year = @cur_year AND stat_month = @cur_month
AND larea_pk = @cur_larea AND sarea_pk = @cur_sarea AND dealer_pk = @cur_dealer
SET @old_sort = @cur_sort - @delcount + 1
END
SET @old_year = @cur_year
SET @old_month = @cur_month
SET @old_larea = @cur_larea
SET @old_sarea = @cur_sarea
SET @old_dealer = @cur_dealer
SET @old_score = @cur_score
DELETE FROM @temp WHERE sort = @cur_sort --刪除這一條數據
SET @cnt = @cnt - 1
END
END
-- 查詢經銷商在大區範圍內要更新排名的得分
IF @startYear = @endYear --售後 起始年份與終止年份相同
BEGIN
INSERT INTO @temp (stat_year,stat_month,larea_pk,sarea_pk,dealer_pk,score)
SELECT a.stat_year,a.stat_month,a.larea_pk,a.sarea_pk,a.dealer_pk,a.score
FROM VMCSS.t_after_mot_statistics a
JOIN VMCSS.t_dealers_zh c ON a.stat_year = c.stat_year AND a.stat_month = c.stat_month
AND a.larea_pk = c.l_area_pk AND a.sarea_pk = c.s_area_pk AND a.dealer_pk = c.pk_id and c.isorder<>0
WHERE a.dealer_pk <> -1 AND ((a.stat_year = @startYear AND (a.stat_month >= @startMonth and a.stat_month <= @endMonth) OR
(a.stat_year = @sQuayear AND (a.stat_month >= @sQuamonth and a.stat_month <= @eQuamonth))))
ORDER BY a.stat_year,a.stat_month,a.larea_pk,a.score DESC
END
ELSE --售後 起始年份與終止年份不同
BEGIN
INSERT INTO @temp (stat_year,stat_month,larea_pk,sarea_pk,dealer_pk,score)
SELECT a.stat_year,a.stat_month,a.larea_pk,a.sarea_pk,a.dealer_pk,a.score
FROM VMCSS.t_after_mot_statistics a
JOIN VMCSS.t_dealers_zh c ON a.stat_year = c.stat_year AND a.stat_month = c.stat_month
AND a.larea_pk = c.l_area_pk AND a.sarea_pk = c.s_area_pk AND a.dealer_pk = c.pk_id and c.isorder<>0
WHERE a.dealer_pk <> -1 AND ((a.stat_year = @startYear AND (a.stat_month >= @startMonth and a.stat_month <= 12))
OR (a.stat_year = @endYear AND (a.stat_month >= 1 and a.stat_month <= @endMonth))
OR (a.stat_year > @startYear AND a.stat_year < @endYear)
OR (a.stat_year = @sQuayear AND (a.stat_month >= @sQuamonth and a.stat_month <= @eQuamonth)))
ORDER BY a.stat_year,a.stat_month,a.larea_pk,a.score DESC
END
--整理@temp表中的排名
BEGIN
SET @delcount = 1
SET @cnt = (SELECT count(1) FROM @temp)
WHILE @cnt > 0
BEGIN
SELECT TOP 1 @cur_year = stat_year
, @cur_month = stat_month
, @cur_larea = larea_pk
, @cur_sarea = sarea_pk
, @cur_dealer = dealer_pk
, @cur_score = score
, @cur_sort=sort
FROM @temp ORDER BY sort
IF @cur_year<> @old_year OR @cur_month <> @old_month OR @cur_larea <> @old_larea-- 公共的條件
BEGIN
SET @delcount = @cur_sort
END
IF @old_score = @cur_score --如果得分和上一名次的相同，則名次也是一樣的
BEGIN
UPDATE VMCSS.t_after_mot_statistics SET larea_sort = @old_sort WHERE stat_year = @cur_year AND stat_month = @cur_month
AND larea_pk = @cur_larea AND sarea_pk = @cur_sarea AND dealer_pk = @cur_dealer
END
ELSE
BEGIN
UPDATE VMCSS.t_after_mot_statistics SET larea_sort = @cur_sort - @delcount + 1 WHERE stat_year = @cur_year AND stat_month = @cur_month
AND larea_pk = @cur_larea AND sarea_pk = @cur_sarea AND dealer_pk = @cur_dealer
SET @old_sort = @cur_sort - @delcount + 1
END
SET @old_year = @cur_year
SET @old_month = @cur_month
SET @old_larea = @cur_larea
SET @old_sarea = @cur_sarea
SET @old_dealer = @cur_dealer
SET @old_score = @cur_score
DELETE FROM @temp WHERE sort = @cur_sort --刪除這一條數據
SET @cnt = @cnt - 1
END
END
END
GO
SET QUOTED_IDENTIFIER OFF
GO
SET ANSI_NULLS ON
GO