Re: [SQL] OUTER JOINS
От | Dan Janowski |
---|---|
Тема | Re: [SQL] OUTER JOINS |
Дата | |
Msg-id | 371B2F13.D8B446F6@3skel.com обсуждение исходный текст |
Ответ на | [SQL] OUTER JOINS (Dan Janowski <danj@3skel.com>) |
Ответы |
Re: [SQL] OUTER JOINS
|
Список | pgsql-sql |
Thanks for giving it a stab. Looking at the available operators, there is no =* or *= ops available. Although I am curious where it comes from. Dan Joe Shevland wrote: > ... > select t1.value from table_one t1, table_two t2 where t1.key = t2.key; > > So this would be a straight LEFT join in my understanding. Now, I'm > venturing beyond my experience with PostgreSQL here, but you may be able > to use the associated SQL syntaxes: > > select ... where t1.key *= t2.key > select ... where t1.key =* t2.key > ... > > Dan Janowski wrote: > > > > I've looked through the docs and mail lists but I am coming > > up short on references for LEFT/RIGHT/FULL OUTER JOIN > > avalability > > or functional workarounds. It seems that PostgreSQL does > > not have it. > > > > Any recommendations on how to aproximate the functionality? > > > > As a curiosity, is there a problem with supporting these > > OUTER joins or is it merely on the list? > > -- Dan Janowski danj@3skel.com Triskelion Systems, Inc. Bronx, NY
В списке pgsql-sql по дате отправления: