Показывать 'P' вместо значений NULL в таблице PIVOT - PullRequest
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Показывать 'P' вместо значений NULL в таблице PIVOT

0 голосов
/ 17 февраля 2020

Я работаю с данными PIVOT и застрял в одной точке. Это моя процедура: 

ALTER PROCEDURE [dbo].[usp_GetLeaveReportOrg]
@startDate date,
@endDate date

AS
BEGIN
DECLARE @DynamicPivotQuery AS NVARCHAR(MAX)
DECLARE @ColumnName AS NVARCHAR(MAX)
DECLARE @leaveReport TABLE (
    BuddyId bigint,
    Name nvarchar(300),
    RoleName nvarchar(150),
    DivisionName nvarchar(200),
    LeaveTypeName nvarchar(max),
    DateFrom date,
    DateTo date
 )

 insert into @leaveReport
 select tbl_Lm.BuddyId, tbl_Bm.Name,tbl_Rm.RoleName, tbl_Dm.DivisionName,tbl_Lt.LeaveTypeName,tbl_Lm.DateFrom, tbl_Lm.DateTo from tbl_LeaveMaster as tbl_Lm 
inner join tbl_BuddyMaster as tbl_Bm on tbl_Bm.id= tbl_Lm.BuddyId inner join tbl_DivisionMaster as tbl_Dm on tbl_Dm.Id = tbl_Bm.Divisionid 
inner join tbl_LeaveType as tbl_Lt on  tbl_Lt.Id = tbl_Lm.LeaveTypeId inner join tbl_RoleMaster as tbl_Rm on tbl_Lt.Id = tbl_Rm.Id

select BuddyId,Name,  RoleName , DivisionName,DateFrom, isnull(LeaveTypeName,'P') temp into #PivotLeaveData from @leaveReport where
CAST (DateFrom as date) >= cast(@startDate as date) and 
cast(DateTo as date) <= cast(@endDate as date)
order by DateFrom  ASC 

SELECT @ColumnName =COALESCE (@ColumnName + ',[' + CONVERT(NVARCHAR, [DateFrom], 106) + ']', 
           '[' + CONVERT(NVARCHAR, [DateFrom], 106) + ']')
           FROM    (SELECT DISTINCT [DateFrom] FROM #PivotLeaveData) PV  
           ORDER BY [DateFrom]

 SET @DynamicPivotQuery = 
N'SELECT BuddyId,Name,RoleName,DivisionName, ' + @ColumnName + '
FROM #PivotLeaveData
PIVOT(Max( [LeaveTypeName]   ) 
      FOR [DateFrom] IN (' + @ColumnName + ')) AS PVTTable'

EXEC(@DynamicPivotQuery)

END

ПРОБЛЕМА:

Что я хочу, я хочу отобразить 'P' для LeaveTypeName , если запись пуста Это означает, что сотрудник присутствует в этот день. Когда я использую isNull, он показывает NULL вместо P.

ЧТО Я ПОПЫТАЛ :

  • Использование функции COALESCE для замены LeaveTypeName с P, но это тоже не работает.
  • Использование ISNULL, но не повезло.

РЕДАКТИРОВАТЬ: Вот мои примеры данных: 

BuddyId   Name  RoleName    DivisionName   01Jan2020     02Jan2020    ....
1          ABC  Developer    Dev              NULL      Casual Leave
2          DEF  Maintenance  Maintenance    Sick Leave   NULL

ЧТО МНЕ НУЖНО: Заменить нули на 'P'

Где я иду не так?

Ответы [ 2 ]

1 голос
/ 17 февраля 2020

использовать другую переменную для обработки нулевых данных 

ALTER PROCEDURE [dbo].[usp_GetLeaveReportOrg]
@startDate date,
@endDate date

AS
BEGIN
DECLARE @DynamicPivotQuery AS NVARCHAR(MAX)
DECLARE @ColumnName AS NVARCHAR(MAX)
DECLARE @ShowColumnName AS NVARCHAR(MAX)
DECLARE @leaveReport TABLE (
    BuddyId bigint,
    Name nvarchar(300),
    RoleName nvarchar(150),
    DivisionName nvarchar(200),
    LeaveTypeName nvarchar(max),
    DateFrom date,
    DateTo date
 )

 insert into @leaveReport
 select tbl_Lm.BuddyId, tbl_Bm.Name,tbl_Rm.RoleName, tbl_Dm.DivisionName,tbl_Lt.LeaveTypeName,tbl_Lm.DateFrom, tbl_Lm.DateTo from tbl_LeaveMaster as tbl_Lm 
inner join tbl_BuddyMaster as tbl_Bm on tbl_Bm.id= tbl_Lm.BuddyId inner join tbl_DivisionMaster as tbl_Dm on tbl_Dm.Id = tbl_Bm.Divisionid 
inner join tbl_LeaveType as tbl_Lt on  tbl_Lt.Id = tbl_Lm.LeaveTypeId inner join tbl_RoleMaster as tbl_Rm on tbl_Lt.Id = tbl_Rm.Id

select BuddyId,Name,  RoleName , DivisionName,DateFrom, LeaveTypeName into #PivotLeaveData from @leaveReport where
CAST (DateFrom as date) >= cast(@startDate as date) and 
cast(DateTo as date) <= cast(@endDate as date)
order by DateFrom  ASC 

SELECT @ColumnName =COALESCE (@ColumnName + ',[' + CONVERT(NVARCHAR, [DateFrom], 106) + ']', 
           '[' + CONVERT(NVARCHAR, [DateFrom], 106) + ']')
           FROM    (SELECT DISTINCT [DateFrom] FROM #PivotLeaveData) PV  
           ORDER BY [DateFrom]

SELECT @ShowColumnName=COALESCE (@ColumnName + ',ISNULL([' + CONVERT(NVARCHAR, [DateFrom], 106) + '],''P'') as '+'[' + CONVERT(NVARCHAR, [DateFrom], 106) + ']', 
           'ISNULL([' + CONVERT(NVARCHAR, [DateFrom], 106) + '],''P'') as '+'[' + CONVERT(NVARCHAR, [DateFrom], 106) + ']')
           FROM    (SELECT DISTINCT [DateFrom] FROM #PivotLeaveData) PV  
           ORDER BY [DateFrom]


 SET @DynamicPivotQuery = 
N'SELECT BuddyId,Name,RoleName,DivisionName, ' + @ShowColumnName+ '
FROM #PivotLeaveData
PIVOT(Max( [LeaveTypeName]   ) 
      FOR [DateFrom] IN (' + @ColumnName + ')) AS PVTTable'

EXEC(@DynamicPivotQuery)

END
0 голосов
/ 17 февраля 2020

попробуйте 

DECLARE @ColumnNameNOTnull AS NVARCHAR(MAX)

SELECT @ColumnNameNOTnull =
            STUFF(
            (
                SELECT ', ISNULL(' + QUOTENAME([DateFrom]) + ', ''P'') AS ' + QUOTENAME([DateFrom])
                FROM (SELECT DISTINCT [DateFrom] FROM #PivotLeaveData) tempTBL
                ORDER BY [DateFrom]
                FOR XML PATH(''), TYPE
            ).value('.', 'NVARCHAR(MAX)')
            ,1 , 1, '')

 SET @DynamicPivotQuery = 
        N'SELECT BuddyId,Name,RoleName,DivisionName, ' + @ColumnNameNOTnull + '
        FROM #PivotLeaveData
        PIVOT(Max( [LeaveTypeName]   ) 
              FOR [DateFrom] IN (' + @ColumnName + ')) AS PVTTable'
...