Unicode case mapping tables and functions.

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Implements Unicode simple case mapping, in which all code points map
to exactly one other code point unconditionally.

These tables are generated from UnicodeData.txt, which is already
being used by other infrastructure in src/common/unicode. The tables
are checked into the source tree, so they only need to be regenerated
when we update the Unicode version.

In preparation for the builtin collation provider, and possibly useful
for other callers.

Discussion: https://postgr.es/m/ff4c2f2f9c8fc7ca27c1c24ae37ecaeaeaff6b53.camel%40j-davis.com
Reviewed-by: Peter Eisentraut, Daniel Verite, Jeremy Schneider

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This commit is contained in:

Jeff Davis

2024-03-07 11:15:06 -08:00

parent 6d470211e5

commit 5c40364dd6

11 changed files with 3498 additions and 5 deletions

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src/include/common/unicode_case_table.h Normal file

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