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Posted by Dip on 09/13/06 06:09
Hello Experts,
Here is the code to flatten a PC hierarchy into a level based table. It
works fine.
SELECT
t1.TASK_ID AS TASK_LV1,
t2.TASK_ID AS TASK_LV2,
t3.TASK_ID AS TASK_LV3,
t4.TASK_ID AS TASK_LV4,
t5.TASK_ID AS TASK_LV5
FROM dbo.Project t1 LEFT OUTER JOIN
dbo.Project t2 ON t2.PARENT_TASK_ID = t1.TASK_ID
AND t2.WBS_LEVEL = 2 LEFT OUTER JOIN
dbo.Project t3 ON t3.PARENT_TASK_ID = t2.TASK_ID
AND t3.WBS_LEVEL = 3 LEFT OUTER JOIN
dbo.Project t4 ON t4.PARENT_TASK_ID = t3.TASK_ID
AND t4.WBS_LEVEL = 4 LEFT OUTER JOIN
dbo.Project t5 ON t5.PARENT_TASK_ID = t4.TASK_ID
AND t5.WBS_LEVEL = 5
How do modify the code to work for any level rather than hard coding
the level up to "5"?
Please help.
Thanks.
Soumya
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