| From: | Markus Schaber <schabi(at)logix-tt(dot)com> |
|---|---|
| To: | PFC <lists(at)peufeu(dot)com> |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] qsort again (was Re: Strange Create Index |
| Date: | 2006-02-17 00:18:06 |
| Message-ID: | 43F5163E.2020108@logix-tt.com |
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| Thread: | |
| Lists: | pgsql-hackers pgsql-performance |
Hi, PFC,
PFC schrieb:
> By the way, I'd like to declare my zipcode columns as SQL_ASCII
> while the rest of my database is in UNICODE, so they are faster to
> index and sort. Come on, MySQL does it...
Another use case for parametric column definitions - charset definitions
- and the first one that cannot be emulated via constraints.
Other use cases I remember were range definitions for numbers or PostGIS
dimension, subtype and SRID, but those cann all be emulated via checks /
constraints.
Markus
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