Re: PRIMARY KEY and INHERITANCE

Ferruccio Zamuner wrote:
>Hi,
>
>some months ago I've asked for a suggestion for this bug:
>
>create table a (
> id serial primary key,
> something text
>);
>
>create table b (
> morething text
>) inherits (a);
>
>create table c (
> trouble int references b;
>);
>NOTICE: CREATE TABLE will create implicit trigger(s) for FOREIGN KEY check(
>s)
>ERROR: PRIMARY KEY for referenced table "b" not found
>
>
>How is possible to resolve this bug?
>How is possible to talk about a ORDBMS with this kind of error?

Inheritance badly needs fixing (= I very much want it to work right!).

>I've looked for workaround, but:
>
>create table d (
> mytext text,
> primary key (id)
>) inherits (a);
>ERROR: CREATE TABLE: column 'id' named in key does not exist

This does work at 7.1

>How can I help you to fix this?
>

I had some suggestions for Inheritance semantics that no-one has yet
commented on (24th December "Re: [HACKERS] RI problem with inherited
table (fwd)").

If people agree with these, I would like to start research on how to
implement them.

--
Oliver Elphick Oliver(dot)Elphick(at)lfix(dot)co(dot)uk
Isle of Wight http://www.lfix.co.uk/oliver
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