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Tom Lane 7730f48ede Teach UtfToLocal/LocalToUtf to support algorithmic encoding conversions. ... Until now, these functions have only supported encoding conversions using lookup tables, which is fine as long as there's not too many code points to convert. However, GB18030 expects all 1.1 million Unicode code points to be convertible, which would require a ridiculously-sized lookup table. Fortunately, a large fraction of those conversions can be expressed through arithmetic, ie the conversions are one-to-one in certain defined ranges. To support that, provide a callback function that is used after consulting the lookup tables. (This patch doesn't actually change anything about the GB18030 conversion behavior, just provide infrastructure for fixing it.) Since this requires changing the APIs of UtfToLocal/LocalToUtf anyway, take the opportunity to rearrange their argument lists into what seems to me a saner order. And beautify the call sites by using lengthof() instead of error-prone sizeof() arithmetic. In passing, also mark all the lookup tables used by these calls "const". This moves an impressive amount of stuff into the text segment, at least on my machine, and is safer anyhow.		11 years ago
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backend	Teach UtfToLocal/LocalToUtf to support algorithmic encoding conversions.	11 years ago
bin	pg_upgrade: make controldata checks more consistent	11 years ago
common	Reorganize our CRC source files again.	11 years ago
include	Teach UtfToLocal/LocalToUtf to support algorithmic encoding conversions.	11 years ago
interfaces	Fix parallel make risk with new check temp-install setup	11 years ago
makefiles	Fix parallel make risk with new check temp-install setup	11 years ago
pl	Support "expanded" objects, particularly arrays, for better performance.	11 years ago
port	Fix various typos and grammar errors in comments.	11 years ago
template	Remove duplicate specification of -Ae for HP-UX C compiler.	11 years ago
test	Add pg_settings.pending_restart column	11 years ago
timezone	Update time zone data files to tzdata release 2015a.	11 years ago
tools	Enable transforms tests for python 2 on MSVC builds	11 years ago
tutorial	Update copyright for 2015	11 years ago
.gitignore	…
DEVELOPERS	…
Makefile	…
Makefile.global.in	doc build: use unique Makefile variable to control temp install	11 years ago
Makefile.shlib	Add transforms feature	11 years ago
bcc32.mak	…
nls-global.mk	Setup error context callback for transaction lock waits	12 years ago
win32.mak	…