I have schema like Projects ==> versions ==> sprints 01 Project01 Null 02 Version01 01 03 Sprint01 02 04 sprint02 02 05 Version02 01 06 Sprint03 05 07 Sprint04 05 08 Project02 Null
So on....
I want to retrieve all SprintsId,so I just pass the Id (which is Primary Key of sprint/Version/Project) to the service, Based on the Ids, if it is ProjectId (here 01) I want to retrieve all versions(here 02,05), then find the SprintsId(03,04,06,07), If it is VersionsId(here 05) I want all SprintsId(06,07)
I find the solution using SQL Strored Procedure.using Stored Procedure it is less complex
CREATE PROCEDURE [dbo].[USP_Project]
(
@ID INT
)
AS
BEGIN
DECLARE @PROJECT_LEVEL INT =0
-- IF PROJECT LEVEL IS PROJECT
SELECT @PROJECT_LEVEL=COUNT(ID) FROM PROJECTS WHERE ID=@ID AND PARENTID IS NULL
IF(@PROJECT_LEVEL=1)
BEGIN
SELECT PROJ.id AS PROJECT_ID,PROJ.Title ,VER.ID AS VERSION_ID,VER.Title as [Version], SPRI.ID AS SPRINT_ID,SPRI.Title as [Sprint]
FROM PROJECTS AS PROJ ,PROJECTS AS VER,PROJECTS AS SPRI
WHERE PROJ.ID=@ID AND VER.PARENTID=@ID AND SPRI.PARENTID=VER.ID
END
-- IF PROJECT LEVEL IS VERSION
SELECT @PROJECT_LEVEL= COUNT(VER.ID)
FROM PROJECTS AS PROJ ,PROJECTS AS VER
WHERE VER.PARENTID=PROJ.ID AND PROJ.PARENTID IS NULL AND VER.ID=@ID
IF(@PROJECT_LEVEL>0)
BEGIN
SELECT PROJ.id AS PROJECT_ID,PROJ.Title ,VER.ID AS VERSION_ID,VER.Title as [Version], SPR.ID AS SPRINT_ID,SPR.Title as [Sprint]
FROM PROJECTS AS PROJ ,PROJECTS AS VER ,PROJECTS AS SPR
WHERE VER.ID=@ID AND SPR.PARENTID=@ID AND VER.PARENTID=PROJ.ID
END
-- IF PROJECT LEVEL IS SPRINT
SELECT @PROJECT_LEVEL= COUNT(SPR.ID)
FROM PROJECTS AS PROJ ,PROJECTS AS VER ,PROJECTS AS SPR
WHERE SPR.PARENTID=VER.ID AND VER.PARENTID=PROJ.ID AND PROJ.PARENTID IS NULL AND SPR.ID=@ID
IF(@PROJECT_LEVEL>0)
BEGIN
SELECT PROJ.id AS PROJECT_ID,PROJ.Title ,VER.ID AS VERSION_ID,VER.Title as [Version] , SPR.ID AS SPRINT_ID,SPR.Title as [Sprint]
FROM PROJECTS AS PROJ ,PROJECTS AS VER ,PROJECTS AS SPR
WHERE SPR.ID=@ID AND SPR.PARENTID=VER.ID AND VER.PARENTID=PROJ.ID
END
END
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