三种SQL分页查询的存储过程

--根据MAX(MIN)ID

CREATE PROC [dbo].[proc_select_id]

@pageindex int =1, --当前页数

@pagesize int =10, --每页大小

@tablename VARCHAR (50)= '' , --表名

@fields VARCHAR (1000)= '' , --查询的字段集合

@keyid VARCHAR (50)= '' , --主键

@condition NVARCHAR(1000)= '' , --查询条件

@orderstr VARCHAR (500), --排序条件

@totalRecord BIGINT OUTPUT --总记录数

AS

    IF ISNULL (@orderstr,N '' )=N '' SET @orderstr=N ' ORDER BY ' +@keyid+N ' DESC '

    IF ISNULL (@fields,N '' )=N '' SET @fields=N '*'

    IF ISNULL (@condition,N '' )=N '' SET @condition=N '1=1'

    DECLARE @sql NVARCHAR(4000)

    --IF(@totalRecord IS NULL)

    --BEGIN

        SET @sql=N 'SELECT @totalRecord=COUNT(*)'

            +N ' FROM ' +@tablename

            +N ' WHERE ' +@condition

        EXEC sp_executesql @sql,N '@totalRecord INT OUTPUT' ,@totalRecord OUTPUT

    --END

    IF(@pageindex=1)

    BEGIN

        SET @sql=N 'SELECT TOP ' +STR(@pagesize)+N ' ' +@fields+N ' FROM ' +@tablename+N ' WHERE ' +@condition+N ' ' +@orderstr

        EXEC (@sql)

    END

    ELSE

    BEGIN

        DECLARE @operatestr CHAR (3),@comparestr CHAR (1)

        SET @operatestr= 'MAX'

        SET @comparestr= '>'

        IF(@orderstr<> '' )

        BEGIN

            IF(CHARINDEX( 'desc' , LOWER (@orderstr))<>0)

            BEGIN

                SET @operatestr= 'MIN'

                SET @comparestr= '<'

            END

        END

        SET @sql=N 'SELECT top ' +STR(@pagesize)+N ' ' +@fields+N ' FROM ' +@tablename+N ' WHERE ' +@keyid+@comparestr

            +N '(SELECT ' +@operatestr+N '(' +@keyid+N ') FROM ' +@tablename+N ' WHERE ' +@keyid

            +N ' IN (SELECT TOP ' +STR((@pageindex-1)*@pagesize)+N ' ' +@keyid+N ' FROM ' +@tablename+N ' WHERE '

            +@condition+N ' ' +@orderstr+N ')) AND ' +@condition+N ' ' +@orderstr

        EXEC (@sql)

    END

GO

 

 

--根据ROW_NUMBER() OVER

CREATE PROC [dbo].[proc_select_page_row]

@pageindex INT =1, --当前页数

@pagesize INT =10, --每页大小

@tablename VARCHAR (50)= '' , --表名

@fields VARCHAR (1000)= '*' , --查询的字段集合

@keyid VARCHAR (50)= '' , --主键

@condition NVARCHAR(1000)= '' , --查询条件

@orderstr VARCHAR (500), --排序条件

@totalRecord BIGINT OUTPUT --总记录数

AS

    IF ISNULL (@orderstr,N '' )=N '' SET @orderstr=N ' ORDER BY ' +@keyid+N ' DESC '

    IF ISNULL (@fields,N '' )=N '' SET @fields=N '*'

    IF ISNULL (@condition,N '' )=N '' SET @condition=N '1=1'

    DECLARE @sql NVARCHAR(4000)

--  IF @totalRecord IS NULL

--  BEGIN

        SET @sql=N 'SELECT @totalRecord=COUNT(*)'

            +N ' FROM ' +@tablename

            +N ' WHERE ' +@condition

        EXEC sp_executesql @sql,N '@totalRecord bigint OUTPUT' ,@totalRecord OUTPUT

--END

    IF(@pageindex=1)

    BEGIN

        SET @sql=N 'SELECT TOP ' +STR(@pagesize)+N ' ' +@fields+N ' FROM ' +@tablename+N ' WHERE ' +@condition+N ' ' +@orderstr

        EXEC (@sql)

    END

    ELSE

    BEGIN

        DECLARE @StartRecord INT

        SET @StartRecord = (@pageindex-1)*@pagesize + 1

        SET @sql=N 'SELECT * FROM (SELECT ROW_NUMBER() OVER (' + @orderstr +N ') AS rowId,' +@fields+N ' FROM ' + @tablename+N ') AS T WHERE rowId>=' +STR(@StartRecord)+N ' and rowId<=' +STR(@StartRecord + @pagesize - 1)

        EXEC (@sql)

    END

GO

 

 

--根据TOP ID

CREATE PROC [dbo].[proc_select_page_top]

@pageindex INT =1, --当前页数

@pagesize INT =10, --每页大小

@tablename VARCHAR (50)= '' , --表名

@fields VARCHAR (1000)= '' , --查询的字段集合

@keyid VARCHAR (50)= '' , --主键

@condition NVARCHAR(1000)= '' , --查询条件

@orderstr VARCHAR (500), --排序条件

@totalRecord BIGINT OUTPUT --总记录数

AS

    IF ISNULL (@orderstr,N '' )=N '' SET @orderstr=N ' ORDER BY ' +@keyid+N ' DESC '

    IF ISNULL (@fields,N '' )=N '' SET @fields=N '*'

    IF ISNULL (@condition,N '' )=N '' SET @condition=N '1=1'

    DECLARE @sql NVARCHAR(4000)

    --IF(@totalRecord IS NULL)

    --BEGIN

        SET @sql=N 'SELECT @totalRecord=COUNT(*)'

            +N ' FROM ' +@tablename

            +N ' WHERE ' +@condition

        EXEC sp_executesql @sql,N '@totalRecord INT OUTPUT' ,@totalRecord OUTPUT

    --END

    IF(@pageindex=1)

    BEGIN

        SET @sql=N 'SELECT TOP ' +STR(@pagesize)+N ' ' +@fields+N ' FROM ' +@tablename+N ' WHERE ' +@condition+N ' ' +@orderstr

        EXEC (@sql)

    END

    ELSE

    BEGIN

        SET @sql=N 'SELECT TOP ' +STR(@pagesize)+N ' ' +@fields+N ' FROM ' +@tablename+N ' WHERE  ' +@keyid

        +N ' NOT IN(SELECT TOP ' +STR((@pageindex-1)*@pagesize)+N ' ' +@keyid+N ' FROM '

        +@tablename+N ' WHERE ' +@condition+N ' ' +@orderstr+N ') AND ' +@condition+N ' ' +@orderstr

        EXEC (@sql)

    END

GO