Re: table inheritance
От | Shuying Wang |
---|---|
Тема | Re: table inheritance |
Дата | |
Msg-id | bbf221f60602212219x2d0403f3nceb7b6a60ade524e@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: table inheritance (Michael Fuhr <mike@fuhr.org>) |
Список | pgsql-novice |
Actually, it's my fault. It turns out that the parent table was empty and there was some other table that had all the other data. Thanks, that was a quick response. --Shuying On 2/22/06, Michael Fuhr <mike@fuhr.org> wrote: > On Wed, Feb 22, 2006 at 04:39:12PM +1100, Shuying Wang wrote: > > I've got table x and table y which inherits table x. I want to get > > items from table x which are not in table y. According to the > > PostgreSQL documentation, the syntax would be "select * FROM ONLY x" > > however this yields no rows, whereas something like "select * from x > > where id not in (select id from y) " gives me what I want. Could > > someone explain to me what I'm doing wrong using ONLY? > Do any other tables inherit x? What's the output of the following > query?
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