Re: [HACKERS] More on inheritance and foreign keys

2006-06-09 Thread Zeugswetter Andreas DCP SD
I think that the ONLY was wrong from day one :-( Well, sure, but until we have an implementation that actually *works* across multiple tables, it has to be there so that we can at least consistently support the current single-table semantics. Until we have some form of cross-table

[HACKERS] More on inheritance and foreign keys

2006-06-08 Thread Albert Cervera Areny
Hi, after starting this thread http://archives.postgresql.org/pgsql-hackers/2006-05/msg00222.php, I thought I'd finally go for making foreign keys my own way instead of trying to patch PostgreSQL. However, I've realized that managing foreign keys with my own PL/SQL or C function isn't

Re: [HACKERS] More on inheritance and foreign keys

2006-06-08 Thread Michael Glaesemann
On Jun 8, 2006, at 15:38 , Albert Cervera Areny wrote: However, I've realized that managing foreign keys with my own PL/SQL or C function isn't possible as I need DEFERRED checks which are currently only available for foreign keys. I don't know enough about your situation to be sure if

Re: [HACKERS] More on inheritance and foreign keys

2006-06-08 Thread Zeugswetter Andreas DCP SD
The solution to the foreign key problem seems easy if I modify PostgreSQL implementation and take off the ONLY word from the SELECT query, but it's not an option for me, as I'm I think that the ONLY was wrong from day one :-( The default in other areas is table including childs. (Not

Re: [HACKERS] More on inheritance and foreign keys

2006-06-08 Thread Hannu Krosing
Ühel kenal päeval, N, 2006-06-08 kell 08:38, kirjutas Albert Cervera Areny: Hi, after starting this thread http://archives.postgresql.org/pgsql-hackers/2006-05/msg00222.php, I thought I'd finally go for making foreign keys my own way instead of trying to patch PostgreSQL. However,

Re: [HACKERS] More on inheritance and foreign keys

2006-06-08 Thread Tom Lane
Zeugswetter Andreas DCP SD [EMAIL PROTECTED] writes: The solution to the foreign key problem seems easy if I modify PostgreSQL implementation and take off the ONLY word from the SELECT query, but it's not an option for me, as I'm I think that the ONLY was wrong from day one :-( Well,

Re: [HACKERS] More on inheritance and foreign keys

2006-06-08 Thread Andreas Pflug
Tom Lane wrote: Zeugswetter Andreas DCP SD [EMAIL PROTECTED] writes: The solution to the foreign key problem seems easy if I modify PostgreSQL implementation and take off the ONLY word from the SELECT query, but it's not an option for me, as I'm I think that the ONLY was wrong from day

Re: [HACKERS] More on inheritance and foreign keys

2006-06-08 Thread Tom Lane
Andreas Pflug [EMAIL PROTECTED] writes: I managed uniqueness using normal indexes and ins/upd triggers on all child tables: Do I need to point out the race-condition problems in this? regards, tom lane ---(end of