| From: | Thomas Lockhart <lockhart(at)fourpalms(dot)org> |
|---|---|
| To: | Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp> |
| Cc: | peter_e(at)gmx(dot)net, tgl(at)sss(dot)pgh(dot)pa(dot)us, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Proposal: CREATE CONVERSION |
| Date: | 2002-07-09 01:21:31 |
| Message-ID: | 3D2A3A9B.44A45D31@fourpalms.org |
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| Lists: | pgsql-hackers |
> When you say "We do not yet implement the SQL99 forms of character
> support", I think you mean the ability to specify per column (or even
> per string) charset. I don't think this would happen for 7.3(or 8.0
> whatever), but sometime later I would like to make it reality.
Right.
An aside: I was thinking about this some, from the PoV of using our
existing type system to handle this (as you might remember, this is an
inclination I've had for quite a while). I think that most things line
up fairly well to allow this (and having transaction-enabled features
may require it), but do notice that the SQL feature of allowing a
different character set for every column *name* does not map
particularly well to our underlying structures.
- Thomas
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