ALTER PROC [dbo].[Student_Friend_Get]
@startRowIndexId INT,
@maxNumberRows INT,
@schoolId INT,
@gradeId INT,
@cId INT,
@keyWords NVARCHAR(100),
@userName VARCHAR(50)
AS
BEGIN
DECLARE @sqlfilter VARCHAR(max)
SET @sqlfilter = ' '
IF(@schoolId <> -1)
SET @sqlfilter = @sqlfilter + ' tableu.SchoolId = ' + CAST(@schoolId AS VARCHAR(50)) + ' AND'
IF(@gradeId <> -1)
SET @sqlfilter = @sqlfilter + ' tableu.GradeId = ' + CAST(@gradeId AS VARCHAR(50)) + ' AND'
IF(@cId <> -1)
SET @sqlfilter = @sqlfilter + ' tableu.ClassId = ' + CAST(@cId AS VARCHAR(50)) + ' AND'
IF(@keyWords IS NOT NULL)
SET @sqlfilter = @sqlfilter + ' tableu.TrueName like ''%' + CAST(@keyWords AS VARCHAR(50)) + '%'' AND'
DECLARE @beg INT,@end INT
SET @beg = @startRowIndexId+1
SET @end = @startRowIndexId + @maxNumberRows
SET @sqlfilter = @sqlfilter + ' tableu.num BETWEEN ' +CAST( @beg AS VARCHAR(50)) + ' AND '+ CAST(@end AS VARCHAR(50))
DECLARE @sqlmain VARCHAR(max)
SET @sqlmain = ' '
SET @sqlmain = @sqlmain + ' SELECT * FROM
(
SELECT ROW_NUMBER() OVER(ORDER BY cjs.UserName) AS num,CTA.TrueName, u.UserName, c.ClassName + '' (''+ CAST(YEAR(c.GradeUpdateTime) AS NVARCHAR(20))+''年)'' AS [ClassName],s.SchoolName,cjs.ApplyTime,g.GradeName,cjs.ApplyID,c.ClassId,g.GradeId,s.SchoolId
FROM PE_C_StudentJoinClass AS cjs
LEFT JOIN dbo.PE_SS_StudentClass AS c
ON cjs.ClassId = c.ClassId
LEFT JOIN dbo.PE_Users AS u
ON u.UserName = cjs.UserName
LEFT JOIN dbo.PE_SS_Grade g
ON g.GradeId = c.GradeId
LEFT JOIN dbo.PE_SS_School s
ON s.SchoolId = g.SchoolId
LEFT JOIN PE_Contacter CTA
ON cjs.UserName = CTA.UserName
WHERE ApplyID IN
(
SELECT
MAX(cs1.ApplyID) AS [ApplyID]
FROM PE_C_StudentJoinClass AS cs1
CROSS JOIN dbo.PE_C_StudentJoinClass AS cs2
WHERE cs2.UserName = '''+ CAST(@userName AS VARCHAR(50))+ ''' AND cs1.UserName != ''' + CAST(@userName AS VARCHAR(50))+ ''' AND cs1.ClassId = cs2.ClassId AND cs1.Status = 1
GROUP BY cs1.UserName
)
) AS tableu WHERE '
PRINT (@sqlmain + @sqlfilter)
EXEC (@sqlmain + @sqlfilter)
END
GO
