Typically, a temp table is used for this. Beware of circular references. Fred -> Wilma -> Betty -> Barney -> Fred > -----Original Message----- > From: pgsql-general-owner@xxxxxxxxxxxxxx [mailto:pgsql-general- > owner@xxxxxxxxxxxxxx] 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 > > > > ---------------------------(end of broadcast)--------------------------- > TIP 6: explain analyze is your friend
