> -----Original Message-----
> From: Tom Lane [mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us]
> 
> "Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp> writes:
> > Is pg_relcheck.rcsrc equivalent to the original raw constraint ?
> 
> To the best of deparse_expression()'s ability, it should be.
> I'm not real sure why we bother to store it, rather than deparsing
> rcbin on-the-fly on demand...
>

I'm looking at DefineRelation() in commands/creartinh.c.
In case of inheritance,constraints of super classes are
stored using their pg_relcheck.rcbin-s. It seems bad 
in case of multiple inheritance.  rcsrc-s may be available
instead.

Comments ?  

Regards.

Hiroshi Inoue
Inoue(at)tpf(dot)co(dot)jp

In response to

• Re: Raw constraint & pg_relcheck.rcsrc at 2000-08-03 05:07:26 from Tom Lane

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