postgresql

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History

Bruce Momjian c8e1ba736b Update copyright for 2023 Backpatch-through: 11		2023-01-02 15:00:37 -05:00
..
.gitignore	Update display widths as part of updating Unicode	2021-08-26 10:53:56 -04:00
generate-norm_test_table.pl	Update copyright for 2023	2023-01-02 15:00:37 -05:00
generate-unicode_east_asian_fw_table.pl	Update copyright for 2023	2023-01-02 15:00:37 -05:00
generate-unicode_nonspacing_table.pl	Update copyright for 2023	2023-01-02 15:00:37 -05:00
generate-unicode_norm_table.pl	Update copyright for 2023	2023-01-02 15:00:37 -05:00
generate-unicode_normprops_table.pl	Update copyright for 2023	2023-01-02 15:00:37 -05:00
Makefile	Treat Unicode codepoints of category "Format" as non-spacing	2022-09-13 16:13:33 +07:00
meson.build	Update copyright for 2023	2023-01-02 15:00:37 -05:00
norm_test.c	Update copyright for 2023	2023-01-02 15:00:37 -05:00
README	Add support for automatically updating Unicode derived files	2020-01-09 10:08:14 +01:00

README

This directory contains tools to generate the tables in
src/include/common/unicode_norm.h, used for Unicode normalization. The
generated .h file is included in the source tree, so these are normally not
needed to build PostgreSQL, only if you need to re-generate the .h file
from the Unicode data files for some reason, e.g. to update to a new version
of Unicode.

Generating unicode_norm_table.h
-------------------------------

Run

    make update-unicode

from the top level of the source tree and commit the result.

Tests
-----

The Unicode consortium publishes a comprehensive test suite for the
normalization algorithm, in a file called NormalizationTest.txt. This
directory also contains a perl script and some C code, to run our
normalization code with all the test strings in NormalizationTest.txt.
To download NormalizationTest.txt and run the tests:

    make normalization-check

This is also run as part of the update-unicode target.