From: | "David E(dot) Wheeler" <david(at)kineticode(dot)com> |
---|---|
To: | Zdenek Kotala <Zdenek(dot)Kotala(at)Sun(dot)COM> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Case-Insensitve Text Comparison |
Date: | 2008-06-03 19:18:48 |
Message-ID: | 95B7698E-DAAE-4D03-9C33-C9FEAA3E966C@kineticode.com |
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Lists: | pgsql-hackers |
On Jun 3, 2008, at 12:06, Zdenek Kotala wrote:
> It is simple. SQL standard does not specify notation for that
> (chapter 11.34). But there is proposed notation:
>
> CREATE COLLATION <collation name> FOR <character set specification>
> FROM <existing collation name> [ <pad characteristic> ] [ <case
> sensitive> ] [ <accent sensitive> ] [ LC_COLLATE <lc_collate> ]
> [ LC_CTYPE <lc_ctype> ]
>
> <pad characteristic> := NO PAD | PAD SPACE
> <case sensitive> := CASE SENSITIVE | CASE INSENSITIVE
> <accent sensitive> := ACCENT SENSITIVE | ACCENT INSENSITIVE
>
>
> You can specify for each collation if it is case sensitive or not
> and collation function should be responsible to correctly handle
> this flag.
Wooo! Now if only i could apply that on a per-column basis. Still,
it'll be great to have this for a whole database.
Thanks, looking forward to it.
David
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