How about: 
BUG( id(pk), name )
LEG( id(pk), bug_id(fk), leg_number, length )

[download]
and a unique index on (bug_id, leg_number)?

In reply to Re^3: Persistence framework for MySQL 4.x (InnoDB) by fenLisesi
in thread Persistence framework for MySQL 4.x (InnoDB) by mman

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