Re: Add CASEFOLD() function.

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>

To: Jeff Davis <pgsql@j-davis.com>

Cc: Peter Eisentraut <peter@eisentraut.org>, Joe Conway <mail@joeconway.com>, Ian Lawrence Barwick <barwick@gmail.com>, pgsql-hackers@postgresql.org

Date: 2025-01-25T05:00:22Z

Lists: pgsql-hackers

Commits

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Fix PDF doc build.
- d2ca16bb509c 18.0 landed
Add SQL function CASEFOLD().
- bfc5992069cf 18.0 landed
Add support for Unicode case folding.
- 4e7f62bc386a 18.0 landed

Jeff Davis <pgsql@j-davis.com> writes:
> v6 attached. I plan to commit this soon.

The documentation for this function is giving the PDF docs build
indigestion:

[WARN] FOUserAgent - Glyph "?" (0x3a3, Sigma) not available in font "Courier".
[WARN] FOUserAgent - Glyph "?" (0x3c3, sigma) not available in font "Courier".
[WARN] FOUserAgent - Glyph "?" (0x3c2, sigma1) not available in font "Courier".

Found characters that cannot be output in the PDF document;  see README.non-ASCII

Not sure about a good workaround for this.  Are there any characters
within LATIN-1 that have interesting case-folding behavior?

			regards, tom lane