Re: Command "connect by prior" in PostgreSQL ?
От | John Sidney-Woollett |
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Тема | Re: Command "connect by prior" in PostgreSQL ? |
Дата | |
Msg-id | 45A27451.2070909@wardbrook.com обсуждение исходный текст |
Ответ на | Re: Command "connect by prior" in PostgreSQL ? (Thomas Kellerer <spam_eater@gmx.net>) |
Список | pgsql-general |
Take a look at contrib/tablefunc there is a function called connectby() that should do what you're looking for. Otherwise roll your own... http://archives.postgresql.org/pgsql-sql/2003-10/msg00374.php John Thomas Kellerer wrote: > On 08.01.2007 17:24 Scott Marlowe wrote: >> On Mon, 2007-01-08 at 07:38, Leandro Repolho wrote: >>> Hello everybody, >>> In Oracle i use the command "connect by prior" and i need to use it in >>> PostgreSQL, what is the sintax? >> >> What does connect by prior do? Reuse a connection from one db to >> another? I don't think there's anything like that in postgresql. >> You might wanna tell us what an oracle command does next time, since >> many folks here aren't that familiar with Oracle. Heck, I use oracle >> everyday and I'm not familiar with connect by prior... > > It's used to retrieve hierarchical data e.g. a parent/child > relationship. The connect by operator defines the columns which define > the hierarchy. > > Thomas > > > ---------------------------(end of broadcast)--------------------------- > TIP 2: Don't 'kill -9' the postmaster
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