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pgsql: Support Unicode full case mapping and conversion. - Mailing list pgsql-committers

From Jeff Davis
Subject pgsql: Support Unicode full case mapping and conversion.
Date
Msg-id E1tYwFg-0029Dj-L5@gemulon.postgresql.org
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Support Unicode full case mapping and conversion.

Generate tables from Unicode SpecialCasing.txt to support more
sophisticated case mapping behavior:

 * support case mappings to multiple codepoints, such as "ß"
   uppercasing to "SS"
 * support conditional case mappings, such as the "final sigma"
 * support titlecase variants, such as "dž" uppercasing to "DŽ" but
   titlecasing to "Dž"

Discussion: https://postgr.es/m/ddfd67928818f138f51635712529bc5e1d25e4e7.camel@j-davis.com
Discussion: https://postgr.es/m/27bb0e52-801d-4f73-a0a4-02cfdd4a9ada@eisentraut.org
Reviewed-by: Peter Eisentraut, Daniel Verite

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/286a365b9c25479f8ad82043ed136748733adfa6

Modified Files
--------------
src/backend/utils/adt/pg_locale_builtin.c         |    6 +-
src/common/unicode/Makefile                       |    4 +-
src/common/unicode/case_test.c                    |  202 +-
src/common/unicode/generate-unicode_case_table.pl |  161 +-
src/common/unicode/meson.build                    |    4 +-
src/common/unicode_case.c                         |  158 +-
src/include/common/unicode_case.h                 |    8 +-
src/include/common/unicode_case_table.h           | 6094 +++++++++++----------
src/tools/pgindent/typedefs.list                  |    1 +
9 files changed, 3645 insertions(+), 2993 deletions(-)

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