Re: Oracle 'connect by prior' now eaiser in 7.3? - Mailing list pgsql-sql

From Thomas Wegner
Subject Re: Oracle 'connect by prior' now eaiser in 7.3?
Date
Msg-id bm5pg1$1819$1@news.hub.org
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In response to Oracle 'connect by prior' now eaiser in 7.3?  ("Merrall, Graeme" <gmerrall@team.aol7.com.au>)
Responses Re: Oracle 'connect by prior' now eaiser in 7.3?  (Joe Conway <mail@joeconway.com>)
List pgsql-sql
Hello!

Can anyone help me to use connectby() with my structure?
I cannot change the name of tables. It is a import!
------------------------------------------
Thomas Wegner

"Thomas Wegner" <tomaten@t-online.de> schrieb im Newsbeitrag
news:bm1p2g$98o$1@news.hub.org...
> Hello,
>
> i have a table like this:
>
> CREATE TABLE "public"."WINUSER" (
>   "ID_WINUSER" INTEGER NOT NULL,
>   "STATUS" INTEGER NOT NULL,
>   "CUSTOMERID" VARCHAR(8) NOT NULL,
>   "CUSTOMERPW" VARCHAR(100) NOT NULL,
>   "EMAIL" VARCHAR(100) NOT NULL,
>   "REF_ID_WINUSER" INTEGER,
>   PRIMARY KEY("ID_WINUSER"),
> ) WITH OIDS;
>
> and will get the tree from this to fields:
>
>   "ID_WINUSER" INTEGER NOT NULL,
>   "REF_ID_WINUSER" INTEGER,
>
> i write this sql:
>
> SELECT "ID_WINUSER" FROM connectby('"WINUSER"', '"ID_WINUSER"',
> '"REF_ID_WINUSER"', 4, 0, '~') AS t("ID_WINUSER" integer)
>
> and get this error:
>
> ERROR:  Query-specified return tuple not valid for Connectby: wrong number
> of columns
>
> How is the correct use of connectby() for me?
> ------------------------------------------
> Thomas Wegner
>
> "Joe Conway" <mail@joeconway.com> schrieb im Newsbeitrag
> news:3F6FC51F.6090105@joeconway.com...
> > Merrall, Graeme wrote:
> > > Am I right in thinking that recursive procedures and procs returning
row
> > > sets would allow us to better emulate this behaviour? As anyone looked
> > > at it yet?
> > >
> >
> > See connectby() in contrib/tablefunc. Someone was working on SQL99
> > recursive queries but it didn't get done for 7.4 -- perhaps it will be
> > in 7.5. In the meantime, connectby() is in 7.3 and might work for you.
> >
> > HTH,
> >
> > Joe
> >
> >
> > ---------------------------(end of broadcast)---------------------------
> > TIP 8: explain analyze is your friend
> >
>
>




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