Typically, a temp table is used for this.

Beware of circular references.

Fred -> Wilma -> Betty -> Barney -> Fred

> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:pgsql-general-
> [EMAIL PROTECTED] On Behalf Of bruce
> Sent: Wednesday, August 02, 2006 11:55 AM
> To: 'PgSQL-General'
> Subject: [GENERAL] logic/db question
> 
> 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..
> 
> thanks
> 
> 
> 
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