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Get hirarchy query

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  • S Offline
    S Offline
    SatyaKeerthi15
    wrote on last edited by
    #1

    I have Employees and Reporting hirarchy.For Ex: 1 2 3 4 5 6 7 8 Employees 2,3,4 report to 1 and 5,6 report to 2 and 7,8 report t0 4. If I pass 1 to query it results 2,3,4,5,6,7,8 2 then 5,6 3 then 7,8 How can i get this in sqlserver 2005

    B J S 3 Replies Last reply
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    • S SatyaKeerthi15

      I have Employees and Reporting hirarchy.For Ex: 1 2 3 4 5 6 7 8 Employees 2,3,4 report to 1 and 5,6 report to 2 and 7,8 report t0 4. If I pass 1 to query it results 2,3,4,5,6,7,8 2 then 5,6 3 then 7,8 How can i get this in sqlserver 2005

      B Offline
      B Offline
      Blue_Boy
      wrote on last edited by
      #2

      What did you so far for your query? Use CASE switch to archive your query.


      I Love T-SQL "Don't torture yourself,let the life to do it for you." If my post helps you kindly save my time by voting my post. www.aktualiteti.com

      S 1 Reply Last reply
      0
      • B Blue_Boy

        What did you so far for your query? Use CASE switch to archive your query.


        I Love T-SQL "Don't torture yourself,let the life to do it for you." If my post helps you kindly save my time by voting my post. www.aktualiteti.com

        S Offline
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        SatyaKeerthi15
        wrote on last edited by
        #3

        I have thousands of records how can I use CASE ?

        1 Reply Last reply
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        • S SatyaKeerthi15

          I have Employees and Reporting hirarchy.For Ex: 1 2 3 4 5 6 7 8 Employees 2,3,4 report to 1 and 5,6 report to 2 and 7,8 report t0 4. If I pass 1 to query it results 2,3,4,5,6,7,8 2 then 5,6 3 then 7,8 How can i get this in sqlserver 2005

          J Offline
          J Offline
          J4amieC
          wrote on last edited by
          #4

          This should be some useful info for you. http://www.ibase.ru/devinfo/DBMSTrees/sqltrees.html[^]

          S 1 Reply Last reply
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          • J J4amieC

            This should be some useful info for you. http://www.ibase.ru/devinfo/DBMSTrees/sqltrees.html[^]

            S Offline
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            SatyaKeerthi15
            wrote on last edited by
            #5

            I have only two columns like below. id id_project id_parent ------------------------- 1 root root 2 abc123 root 3 xyz098 root 4 cmd003 xyz098 5 asd874 abc123 6 f8jk12 cmd003 So, I will need the output to look similar to this when pass id as '1' - abc123 -- asd874 - xyz098 -- cmd003 --- f8jk12 So, I will need the output to look similar to this when pass id as '3' - cmd003 -- f8jk12 So, I will need the output to look similar to this when pass id as '2' - asd874 How can I do this in sqlserver2005

            J J 2 Replies Last reply
            0
            • S SatyaKeerthi15

              I have Employees and Reporting hirarchy.For Ex: 1 2 3 4 5 6 7 8 Employees 2,3,4 report to 1 and 5,6 report to 2 and 7,8 report t0 4. If I pass 1 to query it results 2,3,4,5,6,7,8 2 then 5,6 3 then 7,8 How can i get this in sqlserver 2005

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              ScottM1
              wrote on last edited by
              #6

              I would use a cursor to step through each level of the hierarchy and insert the results into a temp table. Then just select from the temp table at the end.

              S 1 Reply Last reply
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              • S ScottM1

                I would use a cursor to step through each level of the hierarchy and insert the results into a temp table. Then just select from the temp table at the end.

                S Offline
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                SatyaKeerthi15
                wrote on last edited by
                #7

                Can you post query how to step through each level

                S 2 Replies Last reply
                0
                • S SatyaKeerthi15

                  Can you post query how to step through each level

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                  ScottM1
                  wrote on last edited by
                  #8

                  Actually, a recursive CTE is probably your best bet.

                  1 Reply Last reply
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                  • S SatyaKeerthi15

                    Can you post query how to step through each level

                    S Offline
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                    ScottM1
                    wrote on last edited by
                    #9

                    Here's an example that probably does exactly what you want: Recursive CTE[^]

                    S 3 Replies Last reply
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                    • S SatyaKeerthi15

                      I have only two columns like below. id id_project id_parent ------------------------- 1 root root 2 abc123 root 3 xyz098 root 4 cmd003 xyz098 5 asd874 abc123 6 f8jk12 cmd003 So, I will need the output to look similar to this when pass id as '1' - abc123 -- asd874 - xyz098 -- cmd003 --- f8jk12 So, I will need the output to look similar to this when pass id as '3' - cmd003 -- f8jk12 So, I will need the output to look similar to this when pass id as '2' - asd874 How can I do this in sqlserver2005

                      J Offline
                      J Offline
                      J4amieC
                      wrote on last edited by
                      #10

                      Did you read the article i linked you to?

                      1 Reply Last reply
                      0
                      • S ScottM1

                        Here's an example that probably does exactly what you want: Recursive CTE[^]

                        S Offline
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                        SatyaKeerthi15
                        wrote on last edited by
                        #11

                        I tried below stored procedure. I am getting the result what I want but its print statement. How can I convert this into table. ALTER PROC [dbo].[spa_R_TeamDetails] @ReportsTo INT AS BEGIN SET NOCOUNT ON DECLARE @PersonId INT, @DisplayName VARCHAR(100) SET @DisplayName = (SELECT DisplayName+'~'+CONVERT(VARCHAR,PersonId)+'~'+OrgEmpId TeamMembers FROM Person WHERE PersonID = @ReportsTo) PRINT REPLICATE('- ', (@@NESTLEVEL * 1)-1) + @DisplayName SET @PersonId = (SELECT MIN(PersonId) FROM Person WHERE ReportsTo = @ReportsTo) WHILE @PersonId IS NOT NULL BEGIN EXEC spa_R_TeamDetails @PersonId SET @PersonId = (SELECT MIN(PersonId) FROM Person WHERE ReportsTo = @ReportsTo AND PersonId > @PersonId) END END -- spa_R_TeamDetails 1781

                        S 1 Reply Last reply
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                        • S ScottM1

                          Here's an example that probably does exactly what you want: Recursive CTE[^]

                          S Offline
                          S Offline
                          SatyaKeerthi15
                          wrote on last edited by
                          #12

                          This is the sp I have tried. I am getting what I want but in print statement. How to convert it into Table. ALTER PROC [dbo].[spa_R_TeamDetails] @ReportsTo INT AS BEGIN SET NOCOUNT ON DECLARE @PersonId INT, @DisplayName VARCHAR(100) SET @DisplayName = (SELECT DisplayName+'~'+CONVERT(VARCHAR,PersonId)+'~'+OrgEmpId TeamMembers FROM Person WHERE PersonID = @ReportsTo) PRINT REPLICATE('- ', (@@NESTLEVEL * 1)-1) + @DisplayName SET @PersonId = (SELECT MIN(PersonId) FROM Person WHERE ReportsTo = @ReportsTo) WHILE @PersonId IS NOT NULL BEGIN EXEC spa_R_TeamDetails @PersonId SET @PersonId = (SELECT MIN(PersonId) FROM Person WHERE ReportsTo = @ReportsTo AND PersonId > @PersonId) END END -- spa_R_TeamDetails 1781

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                          • S ScottM1

                            Here's an example that probably does exactly what you want: Recursive CTE[^]

                            S Offline
                            S Offline
                            SatyaKeerthi15
                            wrote on last edited by
                            #13

                            This is the sp I have tried. I am getting what I want but in print statement. How to convert it into Table. ALTER PROC [dbo].[spa_R_TeamDetails] @ReportsTo INT AS BEGIN SET NOCOUNT ON DECLARE @PersonId INT, @DisplayName VARCHAR(100) SET @DisplayName = (SELECT DisplayName+'~'+CONVERT(VARCHAR,PersonId)+'~'+OrgEmpId TeamMembers FROM Person WHERE PersonID = @ReportsTo) PRINT REPLICATE('- ', (@@NESTLEVEL * 1)-1) + @DisplayName SET @PersonId = (SELECT MIN(PersonId) FROM Person WHERE ReportsTo = @ReportsTo) WHILE @PersonId IS NOT NULL BEGIN EXEC spa_R_TeamDetails @PersonId SET @PersonId = (SELECT MIN(PersonId) FROM Person WHERE ReportsTo = @ReportsTo AND PersonId > @PersonId) END END -- spa_R_TeamDetails 1781

                            P 1 Reply Last reply
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                            • S SatyaKeerthi15

                              I tried below stored procedure. I am getting the result what I want but its print statement. How can I convert this into table. ALTER PROC [dbo].[spa_R_TeamDetails] @ReportsTo INT AS BEGIN SET NOCOUNT ON DECLARE @PersonId INT, @DisplayName VARCHAR(100) SET @DisplayName = (SELECT DisplayName+'~'+CONVERT(VARCHAR,PersonId)+'~'+OrgEmpId TeamMembers FROM Person WHERE PersonID = @ReportsTo) PRINT REPLICATE('- ', (@@NESTLEVEL * 1)-1) + @DisplayName SET @PersonId = (SELECT MIN(PersonId) FROM Person WHERE ReportsTo = @ReportsTo) WHILE @PersonId IS NOT NULL BEGIN EXEC spa_R_TeamDetails @PersonId SET @PersonId = (SELECT MIN(PersonId) FROM Person WHERE ReportsTo = @ReportsTo AND PersonId > @PersonId) END END -- spa_R_TeamDetails 1781

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                              ScottM1
                              wrote on last edited by
                              #14

                              Insert it into a temp table and then select * from that table at the end.

                              S 1 Reply Last reply
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                              • S ScottM1

                                Insert it into a temp table and then select * from that table at the end.

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                                SatyaKeerthi15
                                wrote on last edited by
                                #15

                                I did that ... As everytime sp excutes output displays like multiple tables but not in one table

                                S 1 Reply Last reply
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                                • S SatyaKeerthi15

                                  I did that ... As everytime sp excutes output displays like multiple tables but not in one table

                                  S Offline
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                                  ScottM1
                                  wrote on last edited by
                                  #16

                                  Have you tried using a CTE or a cursor? I reckon those are your best bet and probably what your teacher is looking for if this is a homework question.

                                  1 Reply Last reply
                                  0
                                  • S SatyaKeerthi15

                                    I have only two columns like below. id id_project id_parent ------------------------- 1 root root 2 abc123 root 3 xyz098 root 4 cmd003 xyz098 5 asd874 abc123 6 f8jk12 cmd003 So, I will need the output to look similar to this when pass id as '1' - abc123 -- asd874 - xyz098 -- cmd003 --- f8jk12 So, I will need the output to look similar to this when pass id as '3' - cmd003 -- f8jk12 So, I will need the output to look similar to this when pass id as '2' - asd874 How can I do this in sqlserver2005

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                                    J Offline
                                    jayantbramhankar
                                    wrote on last edited by
                                    #17

                                    To get result, you need to write recursive function A function to get Parent

                                    CREATE FUNCTION dbo.FindRoot(@id int)
                                    RETURNS int
                                    AS
                                    BEGIN
                                    DECLARE @Id_parent int
                                    SELECT @Id_parent= Id_parent
                                    FROM TableName
                                    WHERE id = @id
                                    WHILE @Id_parent <> NULL
                                    BEGIN
                                    SELECT @id = @Id_parent
                                    SELECT @Id_parent = Id_parent
                                    FROM PrimeInfo
                                    WHERE id = @id
                                    END
                                    RETURN @id
                                    END

                                    and then store procedure to extract your data by providing id value

                                    CREATE PROCEDURE BuildTree(@id int)
                                    AS
                                    SET NOCOUNT ON
                                    CREATE TABLE #results(level int, id int, id_parent int)
                                    DECLARE @id_parent int
                                    DECLARE @level int
                                    SELECT @level = 1
                                    DECLARE @root int
                                    SELECT @root = dbo.FindRoots(@id)
                                    CREATE TABLE #stack (id int, level smallint)
                                    INSERT INTO #stack VALUES (@root, @level)
                                    WHILE @level > 0
                                    BEGIN
                                    IF EXISTS (SELECT * FROM #stack WHERE level = @level)
                                    BEGIN
                                    SELECT @id = s.id, @id_parent= IsNull(t.id_parent, 0)
                                    FROM #stack s INNER JOIN TableName t
                                    ON t.id = s.id
                                    WHERE level = @level
                                    INSERT INTO #results VALUES (@level, @id, @id_parent)
                                    DELETE FROM #stack
                                    WHERE level = @level
                                    AND id = @id
                                    INSERT #stack
                                    SELECT id, @level + 1
                                    FROM TableName
                                    WHERE id_parent = @id
                                    IF @@ROWCOUNT > 0
                                    BEGIN
                                    SELECT @level = @level + 1
                                    END
                                    END--IF EXISTS
                                    ELSE
                                    BEGIN
                                    SELECT @level = @level - 1
                                    END
                                    END -- WHILE
                                    SELECT id, id_parent, level FROM #results

                                    1 Reply Last reply
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                                    • S SatyaKeerthi15

                                      This is the sp I have tried. I am getting what I want but in print statement. How to convert it into Table. ALTER PROC [dbo].[spa_R_TeamDetails] @ReportsTo INT AS BEGIN SET NOCOUNT ON DECLARE @PersonId INT, @DisplayName VARCHAR(100) SET @DisplayName = (SELECT DisplayName+'~'+CONVERT(VARCHAR,PersonId)+'~'+OrgEmpId TeamMembers FROM Person WHERE PersonID = @ReportsTo) PRINT REPLICATE('- ', (@@NESTLEVEL * 1)-1) + @DisplayName SET @PersonId = (SELECT MIN(PersonId) FROM Person WHERE ReportsTo = @ReportsTo) WHILE @PersonId IS NOT NULL BEGIN EXEC spa_R_TeamDetails @PersonId SET @PersonId = (SELECT MIN(PersonId) FROM Person WHERE ReportsTo = @ReportsTo AND PersonId > @PersonId) END END -- spa_R_TeamDetails 1781

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                                      ps_prakash02
                                      wrote on last edited by
                                      #18

                                      Have a look to this code and see whether it solves your problem, CREATE TABLE TempTree (Id int IDENTITY, Id_Project VARCHAR(100), Id_Parent VARCHAR(100)) INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Root','Root') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 1 1', 'Root') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 1 2', 'Root') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 1 3', 'Root') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 2 1', 'Level - 1 1') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 2 2', 'Level - 1 1') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 2 3', 'Level - 1 2') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 2 4', 'Level - 1 2') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 2 5', 'Level - 1 3') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 2 6', 'Level - 1 3') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 3 1', 'Level - 2 1') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 3 2', 'Level - 2 1') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 3 3', 'Level - 2 2') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 3 4', 'Level - 2 2') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 3 5', 'Level - 2 3') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 3 6', 'Level - 2 3') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 3 7', 'Level - 2 4') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 3 8', 'Level - 2 4') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 3 9', 'Level - 2 5') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 3 10', 'Level - 2 5') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 3 11', 'Level - 2 6') INSERT INTO TempTree (Id_Project, Id_Parent) VALUES ('Level - 3 12', 'Level - 2 6') CREATE PROC Dbo.Proc_TheTree (@parent VARCHAR(100)) AS CREATE TABLE #TheList (RootId int, RootName VARCHAR(100), ChildName VARCHAR(100)) CREATE TABLE #TheSearch (SLNO INT IDENTITY, ParentName VARCHAR(100), IsSearchCompleted BIT) IF NOT EXISTS (SELECT * FROM TempTree WHERE id_parent = @parent) BEGIN SELECT * FROM TempTree WHERE id_project = @parent END ELSE BEGIN INSERT INTO #TheSearch (ParentName, IsSearchCompleted) SELECT id_project, 0 FROM TempTree WHERE id_parent = @parent INSERT INTO #TheList (RootId, RootName, ChildName) SELECT (SELECT Id FROM Temp

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