From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | pgsql-committers(at)postgresql(dot)org |
Subject: | pgsql: Teach regular expression operators to honor collations. |
Date: | 2011-04-10 22:03:42 |
Message-ID: | E1Q92jO-0003FR-BL@gemulon.postgresql.org |
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Thread: | |
Lists: | pgsql-committers |
Teach regular expression operators to honor collations.
This involves getting the character classification and case-folding
functions in the regex library to use the collations infrastructure.
Most of this work had been done already in connection with the upper/lower
and LIKE logic, so it was a simple matter of transposition.
While at it, split out these functions into a separate source file
regc_pg_locale.c, so that they can be correctly labeled with the Postgres
project's license rather than the Scriptics license. These functions are
100% Postgres-written code whereas what remains in regc_locale.c is still
mostly not ours, so lumping them both under the same copyright notice was
getting more and more misleading.
Branch
------
master
Details
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http://git.postgresql.org/pg/commitdiff/1e16a8107db9a50435b39e09c6f9c52c45e63e1a
Modified Files
--------------
doc/src/sgml/charset.sgml | 33 +-
src/backend/libpq/hba.c | 3 +-
src/backend/regex/Makefile | 3 +-
src/backend/regex/regc_locale.c | 165 ------
src/backend/regex/regc_pg_locale.c | 649 ++++++++++++++++++++++
src/backend/regex/regcomp.c | 12 +-
src/backend/regex/regexec.c | 3 +
src/backend/tsearch/spell.c | 5 +-
src/backend/utils/adt/regexp.c | 42 ++-
src/include/regex/regex.h | 4 +-
src/test/regress/expected/collate.linux.utf8.out | 74 +++
src/test/regress/sql/collate.linux.utf8.sql | 18 +
12 files changed, 819 insertions(+), 192 deletions(-)
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