Re: Speed up ICU case conversion by using ucasemap_utf8To*()

Andreas Karlsson <andreas@proxel.se>

From: Andreas Karlsson <andreas@proxel.se>

To: zengman <zengman@halodbtech.com>, Jeff Davis <pgsql@j-davis.com>, pgsql-hackers <pgsql-hackers@postgresql.org>

Date: 2026-01-03T03:12:39Z

Lists: pgsql-hackers

Attachments

v5-0001-Use-optimized-versions-of-ICU-case-conversion-for.patch (text/x-patch) patch v5-0001

On 1/3/26 4:05 AM, zengman wrote:
> I don't have any major objections, but I noticed a few minor details that might need a bit more tweaking.
> 
> `signficant`  -> `significant`
> `realtively`  ->  `relatively`
> `if (status != U_BUFFER_OVERFLOW_ERROR && U_FAILURE(status))` -> `if (U_FAILURE(status) && status != U_BUFFER_OVERFLOW_ERROR)`
Fixed, thanks!

Andreas

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Check for unterminated strings when calling uloc_getLanguage().
- dacd8fa6f259 19 (unreleased) landed
- ca938ec213d9 18.4 landed
- a756067a0e3b 17.10 landed
- 8167371704bd 16.14 landed
Fix overrun when comparing with unterminated ICU language string.
- 6393259bd49d 18.4 landed
- 06ce97b9994e 19 (unreleased) landed
ICU: use UTF8-optimized case conversion API
- c4ff35f10441 19 (unreleased) landed