Re: Bug #566: Primary key not working correctly with inheritance
От | Bruce Momjian |
---|---|
Тема | Re: Bug #566: Primary key not working correctly with inheritance |
Дата | |
Msg-id | 200201231555.g0NFtpS09396@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Bug #566: Primary key not working correctly with inheritance (pgsql-bugs@postgresql.org) |
Список | pgsql-bugs |
Sorry, this is a known bug. See the TODO list. --------------------------------------------------------------------------- pgsql-bugs@postgresql.org wrote: > Adrian Bool (aid@logic.org.uk) reports a bug with a severity of > 3 The lower the number the more severe it is. > > Short Description Primary key not working correctly with > inheritance > > Long Description Hi, > > Just started out with postgres (2 days so far!). I am intrested > in it's inheritance abilities. > > I have come across something that seems to be a bug as far as > I can make out. > > See the simple extract in the example code section. > > The second insert should not be allowed as it breaks the primary > key's unqiueness. However postgres allows it's insertion. > > If one tries to insert directly into 'parent' the problem does > not come about - the second insertion is rejected correctly. > > The same applies with the 'unique' constraint - which I think > should also apply to child tables. > > This is in Postgres 7.1.3 - standard RedHat 7.1 build. > > Hope this is indeed a bug and I've not been wasting your time > with my newness to postgres. > > Regards, > > aid > > > > Sample Code create table parent > ( id integer primary key ) ; > > create table child > ( name varchar (30) ) inherits (parent) ; > > insert into child values ( 1, 'Adrian' ) ; insert into child > values ( 1, 'John' ) ; > > > No file was uploaded with this report > > > ---------------------------(end of broadcast)--------------------------- > TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org > -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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