| From: | Quan Zongliang <quanzongliang(at)gmail(dot)com> |
|---|---|
| To: | Craig Ringer <craig(at)2ndquadrant(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Greg Stark <stark(at)mit(dot)edu>, Peter Eisentraut <peter_e(at)gmx(dot)net>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: improve Chinese locale performance |
| Date: | 2013-09-05 03:02:47 |
| Message-ID: | 5227F457.8040108@gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 07/23/2013 09:42 PM, Craig Ringer wrote:
> (Replying on phone, please forgive bad quoting)
>
> Isn't this pretty much what adopting ICU is supposed to give us? OS-independent collations?
>
> I'd be interested in seeing the rest data for this performance report, partly as I'd like to see how ICU collations would compare when ICU is crudely hacked into place for testing.
>
I think of a new idea.
Add a compare method column to pg_collation.
Every collation has its own compare function or null.
When function varstr_cmp is called, if specified collation
has compare function, call it instead of strcoll().
How about this?
Regards.
Quan Zongliang
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