Re: MULTIPLE OUTER JOIN SYNTAX :-( can't quess it - Mailing list pgsql-interfaces

From Tom Lane
Subject Re: MULTIPLE OUTER JOIN SYNTAX :-( can't quess it
Date
Msg-id 17688.988657537@sss.pgh.pa.us
Whole thread Raw
In response to MULTIPLE OUTER JOIN SYNTAX :-( can't quess it  (Constantin Teodorescu <teo@flex.ro>)
List pgsql-interfaces
Constantin Teodorescu <teo@flex.ro> writes:
> I want a select query with them with 2 outer joins like that
> t0.id = t1.author
> t0.id = t2.id
> Tried :
> select t0.name, t1.title, t2.nickname from authors t0 left outer JOIN
> books t1 ON (t0."id"=t1."author") , authors t0 left outer join nicknames
> t2 on (t0."id"=t2."id") 
> but it says "author table declared more than once".

select t01.name, t01.title, t2.nickname from   (authors t0 left outer join books t1 on (t0."id"=t1."author")) t01 left
outerjoin   nicknames t2 on (t01."id"=t2."id") ;
 

There are variants but that's the basic idea...
        regards, tom lane


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