From: | "Merlin Moncure" <mmoncure(at)gmail(dot)com> |
---|---|
To: | bedouglas(at)earthlink(dot)net |
Cc: | PgSQL-General <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: logic/db question |
Date: | 2006-08-02 21:11:15 |
Message-ID: | b42b73150608021411vb918604wa605b7211ddfa83@mail.gmail.com |
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Lists: | pgsql-general |
On 8/2/06, bruce <bedouglas(at)earthlink(dot)net> wrote:
> hi...
>
> i have a tbl
> fooTBL
> name
> parentID
> ID
>
> so a name can have might have a parentID, as well as an ID. 'name's are
> associated with other 'name's via the parentID. in other words, if a name's
> parentID == a name's ID, name1 is the parent of name2.
>
> name parentID ID
> foo - 1
> cat 1 2
> dog 2 3
>
> my question, how can i come up with a sql query that will list all the
> children (and children's children...) of a top level item?
>
> i had done this awhile ago.. but can't recall how i did it..
>
you can try tablefunc contrib module, or recursive pl/pgsql
merlin
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