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Get Child Data From Parent Data

Posted on 2009-07-12
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Last Modified: 2012-05-07
Hi,

I have Chart Of Account Table:

1. AccNo
2. Name
3. GroupAcc   --> Refer to AccNo

I want to get all child value by passing parent AccNo.

It could be done using recursive CTE in SQL2005.

How to solve it using SQL 7 syntax?

Thank you.
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Question by:emi_sastra
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13 Comments
 
LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 24834505
some looping t-sql
create table #children ( accno int , lev int )
set nocount on 
declare @lev int
declare @root_accno int 
set @root_accno = 123
set @lev = 0 
insert into #children (accno, lev ) values ( @root_accno, @lev )
while @@rowcount > 0
begin
  set @lev = @lev + 1
  insert into #children (accno, lev) select t.accno, @lev from #children c join yourtable t on t.groupacc = c.accno and c.lev = @lev - 1
end 
select * from #children

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0
 
LVL 1

Author Comment

by:emi_sastra
ID: 24834525
Hi angelIII,

Let me try first.

Thank you.
0
 
LVL 1

Author Comment

by:emi_sastra
ID: 24834558
Please see my code, some change from your code.

Incorrect syntax near the keyword 'SET'.

Why SET @root_accno = '123' ?

Thank you.
CREATE TABLE #children(accno Char, lev int)
SET nocount ON 
    DECLARE @lev int DECLARE @root_accno Char,
SET @root_accno = '123'
SET @lev = 0
        INSERT 
      INTO #children(accno, lev)
VALUES (@root_accno, @lev) 
    WHILE @@rowcount > 0 BEGIN
SET @lev = @lev + 1
        INSERT 
      INTO #children(accno, lev)
              SELECT t .accno, @lev
            FROM #children c LEFT JOIN
                TMGLACCNO AS t ON 
                t .GlobalAcc = c.accno AND 
                c.lev = @lev - 1 END
                    SELECT *
                  FROM #children

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LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 24834604
you had the CHAR, in the declare...
CREATE TABLE #children(accno varChar(100), lev int)
SET nocount ON 
 DECLARE @lev int 
DECLARE @root_accno varChar(100)
SET @root_accno = '123'
SET @lev = 0
        INSERT 
      INTO #children(accno, lev)
VALUES (@root_accno, @lev) 
    WHILE @@rowcount > 0 BEGIN
SET @lev = @lev + 1
        INSERT 
      INTO #children(accno, lev)
              SELECT t .accno, @lev
            FROM #children c LEFT JOIN
                TMGLACCNO AS t ON 
                t .GlobalAcc = c.accno AND 
                c.lev = @lev - 1 END
                    SELECT *
                  FROM #children

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0
 
LVL 1

Author Comment

by:emi_sastra
ID: 24834624
Time out expired

SET @root_accno = '101.000.00' is the global account to find.

Thank you.
SET nocount ON 
    DECLARE @lev int DECLARE @root_accno varChar(100)
SET @root_accno = '101.000.00'
SET @lev = 0
        INSERT 
      INTO #children(accno, lev)
VALUES (@root_accno, @lev) 
    WHILE @@rowcount > 0 BEGIN
SET @lev = @lev + 1
        INSERT 
      INTO #children(accno, lev)
              SELECT t .accno, @lev
            FROM #children c LEFT JOIN
                TMGLACCNO AS t ON 
                t .GlobalAcc = c.accno AND 
                c.lev = @lev - 1 END
                    SELECT *
                  FROM #children

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0
 
LVL 143

Accepted Solution

by:
Guy Hengel [angelIII / a3] earned 2000 total points
ID: 24834628
not LEFT JOIN. JOIN
also, do you have a index on globalAcc on the table?
SET nocount ON 
    DECLARE @lev int DECLARE @root_accno varChar(100)
SET @root_accno = '101.000.00'
SET @lev = 0
        INSERT 
      INTO #children(accno, lev)
VALUES (@root_accno, @lev) 
 
WHILE @@rowcount > 0
BEGIN
  SET @lev = @lev + 1
  INSERT 
    INTO #children(accno, lev)
   SELECT t .accno, @lev
            FROM #children c 
            JOIN  TMGLACCNO AS t ON 
                t .GlobalAcc = c.accno AND 
                c.lev = @lev - 1 
END
                    SELECT *
                  FROM #children

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0
 
LVL 1

Author Comment

by:emi_sastra
ID: 24834709
do you have a index on globalAcc on the table?
No.

Some accounts appear more than once? To be exactly 3 times.

Thank you.
0
 
LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 24834721
>>do you have a index on globalAcc on the table?
>No.
please create one with globalAcc + Accno on that table. will boost performance of that extraction query


>Some accounts appear more than once? To be exactly 3 times.
could it be that your structure is "incorrect"?

can you provide test data?
0
 
LVL 1

Author Comment

by:emi_sastra
ID: 24834736
Sure.

Thank you.
CHART-OF-ACCOUNT.xls
0
 
LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 24834761
based on your test data, I got this, which seems just perfect, no duplicates ...
please double check your data/output.

for example:

101.001.01      1
101.001.02      1
101.001.03      1
101.002.01      1
101.003.01      1
101.003.03      1

is no duplicates, as the middle part changes...
accno           lev
--------------- -----------
101.000.00      0
101.001.01      1
101.001.02      1
101.001.03      1
101.002.01      1
101.003.01      1
101.003.03      1
101.004.01      1
101.005.01      1
101.005.02      1
101.005.03      1
101.005.06      1
101.005.07      1
101.005.08      1
101.005.09      1
101.006.02      1
101.006.03      1
101.007.01      1
101.009.01      1
101.101.01      1

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0
 
LVL 1

Author Comment

by:emi_sastra
ID: 24834772
I see now.

May I executed it more than once.

How to delete the #children before create it?

Thank you.
0
 
LVL 143

Expert Comment

by:Guy Hengel [angelIII / a3]
ID: 24834775
>How to delete the #children before create it?
DELETE #children
0
 
LVL 1

Author Comment

by:emi_sastra
ID: 24834794
Hi angelIII,

My problem solved.

Thank you very much for your help.
0

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