| From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
|---|---|
| To: | Zeugswetter Andreas SB SD <ZeugswetterA(at)spardat(dot)at> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL Development <pgsql-hackers(at)postgreSQL(dot)org> |
| Subject: | Re: CREATE CAST code review |
| Date: | 2002-07-27 18:08:09 |
| Message-ID: | Pine.LNX.4.44.0207252337030.1144-100000@localhost.localdomain |
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| Thread: | |
| Lists: | pgsql-hackers |
Zeugswetter Andreas SB SD writes:
> > What about requiring ownership of at least one
> > of the types?
>
> I was thinking that too, but, would it be possible to circumvent such
> a restriction with a "type in the middle" attack ?
> Create your own type and then
> 1. (auto)cast type1 to own type
> 2. (auto)cast own type to type2 ?
But that doesn't affect casts between type1 and type2. PostgreSQL doesn't
do indirect casts.
--
Peter Eisentraut peter_e(at)gmx(dot)net
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