[boost] Index_set observations

From: Tom Brinkman (reportbase_at_[hidden])
Date: 2004-03-28 23:25:35

Comments:
Again, congratulations on this library.  
I see it, combined with the serialization library , as
having the potential to eliminate the need for
relational databases in c++ applications.  Granted, if
the development staff consists of DBAs and Java
developers they would not agree to such a thing. 
However, if you have an application that consists of
just c++ code, you could make the argument that
relational databases are no longer needed.  That would
be a great thing, as relational datbases and sql are
not c++ friendly.

I spent many years writing c++ applications that were
simply wrappers over relational datbases designed by
DBAs.  I've always thought that there had to be a
better way.  It would appear that you have done just
that with this library.  

Questions:
1) When you add a record to an indexed_set, and it
violates the index definition in some way, could you
throw an exception, instead of simply replacing the
original record?

2) Is there support for mult-key unique indicies.   I
read in the documenation that you can have more than
one unique indice in the definition, but they are
unique individually.  Question: Can you combine two or
more of those unique indice to create a multi-key
unique indice.  

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