第一個支援唯一主鍵,第二支援多主鍵,測試過,效率一般
CREATE PROC P_viewPage
/*
no_mIss 分頁預存程序 2007.2.20 QQ:34813284
適用於單一主鍵或存在唯一值列的表或視圖
*/
@TableName VARCHAR(200), --表名
@FieldList VARCHAR(2000), --顯示列名
@PrimaryKey VARCHAR(100), --單一主鍵或唯一值鍵
@Where VARCHAR(1000), --查詢條件 不含'where'字元
@Order VARCHAR(1000), --排序 不含'order by'字元,如id asc,userid desc,當@SortType=3時生效
@SortType INT, --定序 1:正序asc 2:倒序desc 3:多列排序
@RecorderCount INT, --記錄總數 0:會返回總記錄
@PageSize INT, --每頁輸出的記錄數
@PageIndex INT, --當前頁數
@TotalCount INT OUTPUT, --返回記錄總數
@TotalPageCount INT OUTPUT --返回總頁數
AS
SET NOCOUNT ON
IF ISNULL(@TableName,'') = '' OR ISNULL(@FieldList,'') = ''
OR ISNULL(@PrimaryKey,'') = ''
OR @SortType < 1 OR @SortType >3
OR @RecorderCount < 0 OR @PageSize < 0 OR @PageIndex < 0
BEGIN
RETURN
END
DECLARE @new_where1 VARCHAR(1000)
DECLARE @new_where2 VARCHAR(1000)
DECLARE @new_order VARCHAR(1000)
DECLARE @Sql VARCHAR(8000)
DECLARE @SqlCount NVARCHAR(4000)
IF ISNULL(@where,'') = ''
BEGIN
SET @new_where1 = ' '
SET @new_where2 = ' WHERE '
END
ELSE
BEGIN
SET @new_where1 = ' WHERE ' + @where
SET @new_where2 = ' WHERE ' + @where + ' AND '
END
IF ISNULL(@order,'') = '' OR @SortType = 1 OR @SortType = 2
BEGIN
IF @SortType = 1 SET @new_order = ' ORDER BY ' + @PrimaryKey + ' ASC'
IF @SortType = 2 SET @new_order = ' ORDER BY ' + @PrimaryKey + ' DESC'
END
ELSE
BEGIN
SET @new_order = ' ORDER BY ' + @Order
END
SET @SqlCount = 'SELECT @TotalCount=COUNT(*),@TotalPageCount=CEILING((COUNT(*)+0.0)/'
+ CAST(@PageSize AS VARCHAR)+') FROM ' + @TableName + @new_where1
IF @RecorderCount = 0
BEGIN
EXEC SP_EXECUTESQL @SqlCount,N'@TotalCount INT OUTPUT,@TotalPageCount INT OUTPUT',
@TotalCount OUTPUT,@TotalPageCount OUTPUT
END
ELSE
BEGIN
SELECT @TotalCount = @RecorderCount
END
IF @PageIndex > CEILING((@TotalCount+0.0)/@PageSize)
BEGIN
SET @PageIndex = CEILING((@TotalCount+0.0)/@PageSize)
END
IF @PageIndex = 1
BEGIN
SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '
+ @TableName + @new_where1 + @new_order
END
ELSE
BEGIN
IF @SortType = 1
BEGIN
SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '
+ @TableName + @new_where2 + @PrimaryKey + ' > '
+ '(SELECT MAX(' + @PrimaryKey + ') FROM (SELECT TOP '
+ STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey
+ ' FROM ' + @TableName
+ @new_where1 + @new_order +' ) AS TMP) '+ @new_order
END
IF @SortType = 2
BEGIN
SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '
+ @TableName + @new_where2 + @PrimaryKey + ' < '
+ '(SELECT MIN(' + @PrimaryKey + ') FROM (SELECT TOP '
+ STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey
+' FROM '+ @TableName
+ @new_where1 + @new_order + ') AS TMP) '+ @new_order
END
IF @SortType = 3
BEGIN
IF CHARINDEX(',',@Order) = 0 BEGIN RETURN END
SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '
+ @TableName + @new_where2 + @PrimaryKey + ' NOT IN (SELECT TOP '
+ STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey
+ ' FROM ' + @TableName + @new_where1 + @new_order + ')'
+ @new_order
END
END
EXEC(@Sql)
GO
CREATE PROC P_public_ViewPage_per
/*
no_mIss 通用分頁預存程序 2007.3.1 QQ:34813284
適用於聯合主鍵/單主鍵/存在能確定唯一行列/存在能確定唯一行的多列 (用英文,隔開)
調用:
第一頁查詢時返回總記錄和總頁數及第一頁記錄:
EXECUTE P_public_ViewPage_per 'TableName','col1,col2,col3,col4','pk1,pk2,pk3',
'col5>0 and col7<9','pk1 asc,pk2 asc,pk3 asc',0,10,1,
@TotalCount OUTPUT,@TotalPageCount OUTPUT
其它頁調用,比如第89頁(假設第一頁查詢時返回總記錄為2000000):
EXECUTE P_public_ViewPage_per 'TableName','col1,col2,col3,col4','pk1,pk2,pk3',
'col5>0 and col7<9','pk1 asc,pk2 asc,pk3 asc',2000000,10,89,
@TotalCount OUTPUT,@TotalPageCount OUTPUT
*/
@TableName VARCHAR(200), --表名
@FieldList VARCHAR(2000), --顯示列名
@PrimaryKey VARCHAR(100), --單一主鍵或唯一值鍵或聯合主鍵列表(用英文,隔開)或能確定唯一行的多列列表(用英文,隔開)
@Where VARCHAR(1000), --查詢條件 不含'where'字元
@Order VARCHAR(1000), --排序 不含'order by'字元,用英文,隔開
@RecorderCount INT, --記錄總數 0:會返回總記錄
@PageSize INT, --每頁輸出的記錄數
@PageIndex INT, --當前頁數
@TotalCount INT OUTPUT, --返回記錄總數
@TotalPageCount INT OUTPUT --返回總頁數
AS
SET NOCOUNT ON
SET @FieldList = REPLACE(@FieldList,' ','')
IF @FieldList = '*'
BEGIN SET @FieldList = 'A.*'END
ELSE
BEGIN
SET @FieldList = 'A.' + REPLACE(@FieldList,',',',A.')
END
WHILE CHARINDEX(', ',@Order)>0
BEGIN
SET @Order = REPLACE(@Order,', ',',')
END
IF ISNULL(@TableName,'') = '' OR ISNULL(@PrimaryKey,'') = ''
OR @RecorderCount < 0 OR @PageSize < 0 OR @PageIndex < 0
BEGIN
RETURN
END
DECLARE @new_where1 VARCHAR(1000)
DECLARE @new_where2 VARCHAR(1000)
DECLARE @new_where3 VARCHAR(1000)
DECLARE @new_where4 VARCHAR(1000)
DECLARE @new_order1 VARCHAR(1000)
DECLARE @new_order2 VARCHAR(1000)
DECLARE @Fields VARCHAR(1000)
DECLARE @Sql VARCHAR(8000)
DECLARE @SqlCount NVARCHAR(4000)
SET @Fields = @PrimaryKey + ','
SET @new_where2 = ''
SET @new_where4 = ''
IF ISNULL(@where,'') = ''
BEGIN
SET @new_where1 = ' '
SET @new_where3 = ' WHERE '
END
ELSE
BEGIN
SET @new_where1 = ' WHERE ' + @where + ' '
SET @new_where3 = ' WHERE 1=1 '
+ REPLACE(' AND ' + @where,' AND ',' AND A.')+ ' AND '
END
WHILE CHARINDEX(',',@Fields)>0
BEGIN
SET @new_where2 = @new_where2
+ 'A.' + LTRIM(LEFT(@Fields,CHARINDEX(',',@Fields)-1))
+ ' = B.' + LTRIM(LEFT(@Fields,CHARINDEX(',',@Fields)-1)) + ' AND '
SET @new_where4 = @new_where4
+ 'B.' + LTRIM(LEFT(@Fields,CHARINDEX(',',@Fields)-1)) + ' IS NULL AND '
SET @Fields = SUBSTRING(@Fields,CHARINDEX(',',@Fields)+1,LEN(@Fields))
END
SET @new_where2 = LEFT(@new_where2,LEN(@new_where2)-4)
SET @new_where4 = LEFT(@new_where4,LEN(@new_where4)-4)
IF ISNULL(@order,'') = ''
BEGIN
SET @new_order1 = ''
SET @new_order2 = ''
END
ELSE
BEGIN
SET @new_order1 = ' ORDER BY ' + @Order
SET @new_order2 = ' ORDER BY '
+ RIGHT(REPLACE(',' + @Order,',',', A.' ),
LEN(REPLACE(',' + @Order,',',', A.' ))-1)
END
SET @SqlCount = 'SELECT @TotalCount=COUNT(*),@TotalPageCount=CEILING((COUNT(*)+0.0)/'
+ CAST(@PageSize AS VARCHAR)+') FROM ' + @TableName
+ ' A ' + @new_where1
IF @RecorderCount = 0
BEGIN
EXEC SP_EXECUTESQL @SqlCount,N'@TotalCount INT OUTPUT,@TotalPageCount INT OUTPUT',
@TotalCount OUTPUT,@TotalPageCount OUTPUT
END
ELSE
BEGIN
SELECT @TotalCount = @RecorderCount
END
IF @PageIndex > CEILING((@TotalCount+0.0)/@PageSize)
BEGIN
SET @PageIndex = CEILING((@TotalCount+0.0)/@PageSize)
END
IF @PageIndex = 1
BEGIN
SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '
+ @TableName + ' A'+ @new_where1 + @new_order1
END
ELSE
BEGIN
SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '
+ @TableName + ' A LEFT JOIN (SELECT TOP '
+ STR(@PageSize*(@PageIndex-1))
+ ' ' + @PrimaryKey + ' FROM ' + @TableName + @new_where1
+ @new_order1 + ' )B ON ' + @new_where2 + @new_where3
+ @new_where4 + @new_order2
END
EXEC(@Sql)
GO