Обсуждение: Hierarchical Queries

You can't - that syntax is not implemented in Postgres.

The only alternative is to try and write a stored procedure that uses a
FOR loop.  Remember that you can only return an open cursor from pl/pgsql,
not an actual recordset.

Chris

On Tue, 9 Apr 2002, Gautham S. Rao wrote:

> Hi,
>
> Can someone tell me how to write a hierarchical query in pgsql. What I
> want is something like the '...CONNECT BY PRIOR ... START WITH....'
> clause which is available in Oracle.
>
> Regards,
> Gautham.
>
>

On Tue, Apr 09, 2002 at 06:34:29PM +0530, Gautham S. Rao wrote:
> Hi,
> 
> Can someone tell me how to write a hierarchical query in pgsql. What I want is something like the '...CONNECT BY
PRIOR... START WITH....' clause which is available in Oracle.
 

There have been lots of messages discussing this topic on this list.
Search the archives and take a look at the "Porting from Oracle PL/SQL"
chapter of the documentation.

-Roberto

-- 
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Ad astra, per ardua nostra.