pgsql/src backend/Makefile backend/commands/va ...

CVSROOT: /cvsroot
Module name: pgsql
Changes by: ishii(at)postgresql(dot)org 02/07/17 22:02:30

Modified files:
src/backend : Makefile
src/backend/commands: variable.c
src/backend/parser: gram.y
src/backend/utils/mb: Makefile conv.c mbutils.c
src/backend/utils/misc: guc.c
src/bin/initdb : initdb.sh
src/bin/psql : command.c
src/include/mb : pg_wchar.h
src/interfaces/libpq: fe-connect.c
Removed files:
src/backend/utils/mb: big5.c sjis.map

Log message:
I have committed many support files for CREATE CONVERSION. Default
conversion procs and conversions are added in initdb. Currently
supported conversions are:

UTF-8(UNICODE) <--> SQL_ASCII, ISO-8859-1 to 16, EUC_JP, EUC_KR,
EUC_CN, EUC_TW, SJIS, BIG5, GBK, GB18030, UHC,
JOHAB, TCVN

EUC_JP <--> SJIS
EUC_TW <--> BIG5
MULE_INTERNAL <--> EUC_JP, SJIS, EUC_TW, BIG5

Note that initial contents of pg_conversion system catalog are created
in the initdb process. So doing initdb required is ideal, it's
possible to add them to your databases by hand, however. To accomplish
this:

psql -f your_postgresql_install_path/share/conversion_create.sql your_database

So I did not bump up the version in cataversion.h.

TODO:
Add more conversion procs
Add [CASCADE|RESTRICT] to DROP CONVERSION
Add tuples to pg_depend
Add regression tests
Write docs
Add SQL99 CONVERT command?
--
Tatsuo Ishii