CODEWITHSUNDEEP
sqlsql-server-2008hierarchyid
Nighil
Nighil

Reputation: 4127

how to change a parent id of child and subchilds in hierarchyid

id       hierid
---------------------
2   |    /2/
7   |    /2/7/
8   |    /2/8/
11  |    /2/7/11/
13  |    /2/8/13/
17  |    /2/8/17/
37  |    /2/8/37/

i want to change the root of this to /3/ that means the output i want to get is 

id     hierid
---------------------
2   | /3/
7   | /3/7/
8   | /3/8/
11  | /3/7/11/
13  | /3/8/13/
17  | /3/8/17/
37  | /3/8/37/

like this how can i do it using hierarchyid

Upvotes: 3

Views: 1849

Answers (2)

Quassnoi
Quassnoi

Reputation: 425833

UPDATE  mytable
SET     hierid = hierid.GetReparentedValue('/2/', '/3/')
WHERE   hierid.IsDescendantOf('/2/') = 1

Upvotes: 4

Nik
Nik

Reputation: 7283

How about this:

UPDATE tbl SET hierid = REPLACE(hierid, '/2/', '/3/');

Upvotes: 2

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