Rails - Nov 2007 - PostgreSQL Table inheritance in Rails?

Does anyone know how I can use PostgreSQL inheritance (see below) in a
Rails migration? I don''t mean single table inheritance supported in
Rails with the ''type'' attribute

Thanks,
Chirag

http://www.postgresql.org/docs/8.1/static/ddl-inherit.html

CREATE TABLE cities (
    name            text,
    population      float,
    altitude        int     -- in feet
);

CREATE TABLE capitals (
    state           char(2)
) INHERITS (cities);

In this case, the capitals table inherits all the columns of its
parent table, cities. State capitals also have an extra column, state,
that shows their state.

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