[ADMIN] Getting the OID of inserted row in a rule

[Bradley Kieser]

I have a rule on a view that needs to insert into two tables. The one 
table has a serial ID as its unique key. The second table links to the 
first one in one of its columns.

I would prefer to keep this as a rule-based solution and not have to 
write a function as I hope to relicate the solution across many views.

I need to either be able to select nextval() the ID for the first table 
and somehow store this in the rule (but I don't see that rules support 
variables) or I need to somehow obtain the OID from the first insert in 
order to select back the ID that was assigned during the insert and pass 
it to the second insert (trivial to do as the second insert is then 
simply a select-based insert, provided that I know the OID of that first 
row!).

Does anyone know how to do this?
Here is the problem graphically:
 Table A:
    id serial
    xxx text
     [etc]
 Table B:
    col1,
    col2,
    col3  foreign key to id in table A
I need to insert a new record into both the above where b.col3 
references a.id

Thanks,
Brad
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