postgresql/doc
Tom Lane 4d14fe0048 XLOG (and related) changes:
* Store two past checkpoint locations, not just one, in pg_control.
  On startup, we fall back to the older checkpoint if the newer one
  is unreadable.  Also, a physical copy of the newest checkpoint record
  is kept in pg_control for possible use in disaster recovery (ie,
  complete loss of pg_xlog).  Also add a version number for pg_control
  itself.  Remove archdir from pg_control; it ought to be a GUC
  parameter, not a special case (not that it's implemented yet anyway).

* Suppress successive checkpoint records when nothing has been entered
  in the WAL log since the last one.  This is not so much to avoid I/O
  as to make it actually useful to keep track of the last two
  checkpoints.  If the things are right next to each other then there's
  not a lot of redundancy gained...

* Change CRC scheme to a true 64-bit CRC, not a pair of 32-bit CRCs
  on alternate bytes.  Polynomial borrowed from ECMA DLT1 standard.

* Fix XLOG record length handling so that it will work at BLCKSZ = 32k.

* Change XID allocation to work more like OID allocation.  (This is of
  dubious necessity, but I think it's a good idea anyway.)

* Fix a number of minor bugs, such as off-by-one logic for XLOG file
  wraparound at the 4 gig mark.

* Add documentation and clean up some coding infelicities; move file
  format declarations out to include files where planned contrib
  utilities can get at them.

* Checkpoint will now occur every CHECKPOINT_SEGMENTS log segments or
  every CHECKPOINT_TIMEOUT seconds, whichever comes first.  It is also
  possible to force a checkpoint by sending SIGUSR1 to the postmaster
  (undocumented feature...)

* Defend against kill -9 postmaster by storing shmem block's key and ID
  in postmaster.pid lockfile, and checking at startup to ensure that no
  processes are still connected to old shmem block (if it still exists).

* Switch backends to accept SIGQUIT rather than SIGUSR1 for emergency
  stop, for symmetry with postmaster and xlog utilities.  Clean up signal
  handling in bootstrap.c so that xlog utilities launched by postmaster
  will react to signals better.

* Standalone bootstrap now grabs lockfile in target directory, as added
  insurance against running it in parallel with live postmaster.
2001-03-13 01:17:06 +00:00
..
src XLOG (and related) changes: 2001-03-13 01:17:06 +00:00
TODO.detail Add java. 2001-02-07 04:50:55 +00:00
bug.template Brand 7.1 release. Also update jdbc version in release branch. 2000-06-12 22:36:19 +00:00
FAQ Update FAQ. 2001-03-08 16:52:10 +00:00
FAQ_AIX AIX patches from Andreas. 2000-11-18 05:40:03 +00:00
FAQ_DEV Update FAQ_DEV. 2000-12-09 04:57:31 +00:00
FAQ_german Update email addresses. 2001-03-05 18:09:55 +00:00
FAQ_HPUX Remove obsolete claim that it doesn't work to use gcc with HP's C++ 2001-02-20 19:06:16 +00:00
FAQ_japanese Add Japanese FAQ> 2001-03-08 17:00:28 +00:00
FAQ_MSWIN Put back old MS FAQ> 2001-01-22 22:54:07 +00:00
FAQ_QNX4 Update QNX FAQ 2000-04-04 13:49:30 +00:00
FAQ_SCO I have compiled and tested PostgreSQL 7.1devel on UnixWare 7.1. During the 2000-10-09 03:49:42 +00:00
FAQ_Solaris Solaris looks like it is OK now, FAQ item removed. 2000-10-19 03:18:56 +00:00
internals.ps Add masters thesis to docs. 1999-01-18 01:09:14 +00:00
KNOWN_BUGS Add files to point to TODO list. 1999-07-01 05:31:22 +00:00
Makefile Only install the integrated HTML documentation set (not the individual 2000-12-26 20:47:07 +00:00
MISSING_FEATURES Add files to point to TODO list. 1999-07-01 05:31:22 +00:00
README.mb.big5 Add a README file for multi-byte. This file is contributed by 2001-01-09 09:54:11 +00:00
README.mb.jp Update mutibyte doc 2001-02-22 04:30:16 +00:00
TODO Update TODO list. 2001-03-11 19:26:58 +00:00

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PostgreSQL 7.1 multi-byte (MB) support README	       2001/2/15 $B:n@.(B

							$B@P0fC#IW(B
						ishii@postgresql.org
		  http://www.sra.co.jp/people/t-ishii/PostgreSQL/

$B"#$O$8$a$K(B

  PostgreSQL $B$K$*$1$k%^%k%A%P%$%H%5%]!<%H$O0J2<$N$h$&$JFCD'$r;}$C$F$$$^$9!%(B

    1. $B%^%k%A%P%$%HJ8;z$H$7$F!$F|K\8l!$Cf9q8l$J$I$N3F9q$N(B EUC$B!$(BUnicode$B!$(B
       mule internal code, ISO-8859-* $B$,%G!<%?%Y!<%9:n@.;~$KA*Br2DG=!%(B
       $B%G!<%?%Y!<%9$K$O$3$N%3!<%I$N$^$^3JG<$5$l$^$9!%(B
    2. $B%F!<%V%kL>$K%^%k%A%P%$%HJ8;z$,;HMQ2DG=(B($B$?$@$7!$(BOS $B$,%^%k%A%P%$%H(B
       $B$N%U%!%$%kL>$r5v$7$F$$$k$3$H$,I,MW(B)
    3. $B%+%i%`L>$K%^%k%A%P%$%HJ8;z$,;HMQ2DG=(B
    4. $B%G!<%?$=$N$b$N$K$b%^%k%A%P%$%HJ8;z$,;HMQ2DG=(B
    5. $B%^%k%A%P%$%HJ8;z$N@55,I=8=8!:w$,;HMQ2DG=(B
    6. $B%^%k%A%P%$%HJ8;z$N(B LIKE $B8!:w$,;HMQ2DG=(B
    7. character_length(), position(), substring() $B$G$N%^%k%A%P%$%H(B
       $B%5%]!<%H(B
    8. $B%U%m%s%H%(%s%IB&$N%(%s%3!<%G%#%s%0$,%P%C%/%(%s%IB&$H0[$k>l9g$K!$(B
       $B<+F0E*$K%3!<%IJQ49$r9T$J$$$^$9!%(B

$B"#%$%s%9%H!<%k(B

  $B%G%U%)%k%H$N%3%s%U%#%.%e%l!<%7%g%s$G$O(B PostgreSQL $B$O%^%k%A%P%$%H$r(B
  $B%5%]!<%H$7$F$$$^$;$s!%%^%k%A%P%$%H%5%]!<%H$rM-8z$K$9$kJ}K!$r@bL@$7$^$9!%(B

  $B$?$H$($PF|K\8l(B EUC $B$r<g$KMxMQ$9$k>l9g$O!$(Bconfigure $B5/F0;~$K0J2<$N$h(B
  $B$&$K;XDj$7$^$9!%(B

  % ./configure --enable-multibyte=EUC_JP

  UNICODE$B$HB>$N%(%s%3!<%G%#%s%0$H$NAj8_JQ495!G=$rMxMQ$9$k>l9g$O!$99$K(B
  --enable-unicode-conversion $B%*%W%7%g%s$rDI2C$7$F$/$@$5$$(B(7.1$B0J9_$GMx(B
  $BMQ2DG=(B)$B!%(B

  $B%(%s%3!<%G%#%s%0$H$7$F$O(B EUC_JP $B$NB>!$0J2<$,;XDj$G$-$^$9!%(B

	SQL_ASCII	ASCII
	EUC_JP		$BF|K\8l(B EUC
	EUC_CN		GB $B$r%Y!<%9$K$7$?CfJ8(BEUC$B!%(Bcode set 2 $B$O(B
			SS2+2$B%P%$%H%3!<%I(B = 3$B%P%$%HI=8=$G$9!%(B
	EUC_KR		$B4Z9q8l(B EUC$B!%(B
	EUC_TW		$BBfOQ$N(B EUC$B!%(Bcode set 2 $B$O(B
			SS2+$BLLHV9f(B+2$B%P%$%H%3!<%I(B = 4$B%P%$%HI=8=$G$9!%(B
	UNICODE		UTF-8$B!%$?$@$7%5%]!<%H$9$k$N$O(B UCS-2 $B$NHO0O!$(B
			$B$9$J$o$A(B 0xffff $B$^$G$G$9!%(B
	MULE_INTERNAL	mule $B$NFbIt%3!<%I!%$?$@$7!$(BType N $B$NITDjD9J8;z$O(B
			$B%5%]!<%H$7$F$$$^$;$s!%(B
	LATIN*		ISO8859 Latin $B%7%j!<%:!%(B* $B$O(B 1 $B$+$i(B 5 $B$^$G;XDj(B
			$B$G$-$^$9!%(B
	$B%-%j%kJ8;z(B	KOI8(KOI8-R), WIN(CP1251), ALT(CP866)$B$r%5%]!<%H(B
			$B$7$F$$$^$9!%$b$A$m$s(B ISO 8859-5 $B$b;HMQ2DG=$G$9!%(B
			$B$3$N>l9g!$(B"LATIN5" $B$H$7$F;XDj$7$F2<$5$$!%(B

  $BA*Br$NL\0B$H$7$F$O!$1Q8l$HF|K\8l$7$+;H$o$J$$>l9g$O(B EUC_JP($BF1MM$K!$Cf(B
  $B9q8l$7$+;H$o$J$$>l9g$O(B EUC_CN... $B$J$I$H$J$j$^$9(B)$B!$$=$NB>$N8@8l$b;H$$$?(B
  $B$$>l9g$O(B UNICODE $B$b$7$/$O(B MULE_INTERNAL $B$H$J$k$G$7$g$&!%(B

  $B%(%s%3!<%G%#%s%0$r>JN,$7$?>l9g!$%G%U%)%k%HCM$H$7$F(B SQL_ASCII $B$,:NMQ(B
  $B$5$l$^$9!%(B

  $B$J$*!$(Bconfigure $B$GA*Br$7$?%(%s%3!<%G%#%s%0$O!$$"$/$^$G(B initdb $B$N$?$a$N(B
  $B%G%U%)%k%HCMDxEY$N0UL#$7$+$"$j$^$;$s(B(initdb $B$G$O0z?t$G%(%s%3!<%G%#%s%0$,(B
  $B;XDj$G$-$^$9(B)$B!%$7$?$,$C$F!$0[$J$k%(%s%3!<%G%#%s%0$r;HMQ$9$k$?$a$K(B
  $B$o$6$o$6(B PostgreSQL $B$r%j%3%s%Q%$%k$9$kI,MW$"$j$^$;$s!%(B

  initdb $B$O(B shell script $B$J$N$G!$%G%U%)%k%H$N%(%s%3!<%G%#%s%0$O(B script $B$r(B
  $BE,Ev$J%(%G%#%?$GJT=8$9$k$3$H$K$h$j4JC1$KJQ99$G$-$^$9!%(Binitdb $B$N(B 61$B9TL\(B
  $BIU6a$K!$(B

  MULTIBYTE=EUC_JP

  $B$N$h$&$J9T$,$"$k$N$G!$(B= $B0J9_$r4uK>$9$k%(%s%3!<%G%#%s%0$KJQ$($k$@$1$G$9!%(B

  $BCm0U!'(BMULE_INTERNAL $B$rA*$V$H!$$?$/$5$s$NJ8;z=89g$KBP1~$G$-$FJXMx$G$9(B
  $B$,!$@55,I=8=$GJ#?t$NJ8;z=89g$K$^$?$,$k$h$&$JHO0O;XDj(B($B$?$H$($P!$(B[a-$BHO(B]
  $B$H$+!$(B[abc$BHO0O(B]$B$N$h$&$J(B)$B$O;H$($^$;$s!%J#?t$NHO0O;XDj$G0[$J$kJ8;z=89g(B
  $B$r;H$&$N$O9=$$$^$;$s(B($B$?$H$($P(B [abc][$BHO(B-$B0O(B])$B!%$^$?!$(B[^a] $B$N$h$&$JI=8=(B
  $B$O!$(B"a" $B$NB0$9$kJ8;z=89g(B($B$3$N>l9g!$(BUS-ASCII)$B$K$*$$$F(B "a" $B0J30$G$"$k(B
  $B$3$H$rI=$7$^$9!%7h$7$F4A;z$dJ?2>L>$J$I(B "a" $B0J30$r$9$Y$FI=$9$o$1$G$O(B
  $B$J$$$3$H$KCm0U$7$F2<$5$$!%(B

  $B%$%s%9%H!<%k$O(B --enable-multibye $B$J$7$N>l9g$HF1MM$K9T$J$$$^$9!%%$%s(B
  $B%9%H!<%k$N>\:Y$O(B INSTALL $B$H$$$&%F%-%9%H%U%!%$%k$r8fMw2<$5$$!%$^$?!$(B
  http://www.sra.co.jp/people/t-ishii/PostgreSQL/ $B$G$b4JC1$J%$%s%9%H!<(B
  $B%kJ}K!$r>R2p$7$F$$$^$9!%(B

$B"#(Binitdb/createdb/create database $B$K$*$1$k%(%s%3!<%G%#%s%0$N;XDj$K$D$$$F(B

  initdb $B$G$O0J2<$N%*%W%7%g%s$G%(%s%3!<%G%#%s%0$,;XDj$G$-$^$9!%(B

	-E $B%(%s%3!<%G%#%s%0(B
	--encoding=$B%(%s%3!<%G%#%s%0(B

  $B$3$3$G;XDj$7$?%(%s%3!<%G%#%s%0$O!$0J8e(B createdb/create database $B$G%((B
  $B%s%3!<%G%#%s%0$r>JN,$7$?>l9g$K@_Dj$5$l$k%(%s%3!<%G%#%s%0$K$J$j$^$9!%(B
  -E $B$^$?$O(B --encoding $B%*%W%7%g%s$r>JN,$7$?>l9g$O!$(Bconfigure $B$G;XDj$7(B
  $B$?%(%s%3!<%G%#%s%0$,:NMQ$5$l$^$9!%(B

  createdb $B$G$O0J2<$N%*%W%7%g%s$G%(%s%3!<%G%#%s%0$,;XDj$G$-$^$9!%(B

	-E $B%(%s%3!<%G%#%s%0(B
	--encoding=$B%(%s%3!<%G%#%s%0(B

  create database $B$G$O0J2<$N%*%W%7%g%s$G%(%s%3!<%G%#%s%0$,;XDj$G$-$^$9!%(B

	CREATE DATABASE dbanme WITH ENCODING = '$B%(%s%3!<%G%#%s%0(B';

  LOCATION $B$rF1;~$K;XDj$9$k>l9g$O0J2<$N$h$&$K$J$j$^$9!%(B

	CREATE DATABASE dbanme WITH LOCATION = 'path' ENCODING = '$B%(%s%3!<%G%#%s%0(B';

  createdb/create database $B$G$O!$%(%s%3!<%G%#%s%0;XDj$r>JN,$7$?>l9g$O!$(Binitdb 
  $B$G;XDj$7$?%(%s%3!<%G%#%s%0$,:NMQ$5$l$^$9!%$3$l$O!$(Binitdb $B$,:n@.$9$k(B
  $B%F%s%W%l!<%H%G!<%?%Y!<%9(B(template1)$B$N(B encoding $B%"%H%j%S%e!<%H$r7Q>5(B
  $B$9$k$+$i$G$9!%(B

  $B%G!<%?%Y!<%9$N%(%s%3!<%G%#%s%0$O!$(Bpsql -l$B!$(Bpsql $B$N(B \l $B$G;2>H$G$-$^$9!%(B

$ psql -l
            List of databases
   Database    |  Owner  |   Encoding    
---------------+---------+---------------
 euc_cn        | t-ishii | EUC_CN
 euc_jp        | t-ishii | EUC_JP
 euc_kr        | t-ishii | EUC_KR
 euc_tw        | t-ishii | EUC_TW
 mule_internal | t-ishii | MULE_INTERNAL
 regression    | t-ishii | SQL_ASCII
 template1     | t-ishii | EUC_JP
 test          | t-ishii | EUC_JP
 unicode       | t-ishii | UNICODE
(9 rows)

$B"#%U%m%s%H%(%s%I$H%P%C%/%(%s%I$N<+F0%(%s%3!<%G%#%s%0JQ49$K$D$$$F(B

  $B%P%C%/%(%s%I(B($B%G!<%?%Y!<%9(B)$B$H(B psql $B$J$I$N%U%m%s%H%(%s%I$N%(%s%3!<%G%#(B
  $B%s%0$O0lCW$7$F$$$k$N$,86B'$G$9$,!$$$$/$D$+$N%(%s%3!<%G%#%s%0$K$D$$$F(B
  $B$O%P%C%/%(%s%I$H%U%m%s%H%(%s%I$N4V$G0[$J$k$b$N$r;HMQ$9$k$3$H$,$G$-$^(B
  $B$9!%$3$N>l9g!$<+F0E*$K%P%C%/%(%s%I$G%(%s%3!<%G%#%s%0JQ49$,9T$o$l$^$9!%(B

  $B%P%C%/%(%s%I$N%(%s%3!<%G%#%s%0(B	$B5vMF$5$l$k%U%m%s%H%(%s%I$N(B
					$B%(%s%3!<%G%#%s%0(B
  ----------------------------------------------------------------
	EUC_JP				EUC_JP, SJIS, UNICODE
  
	EUC_TW				EUC_TW, BIG5, UNICODE
  
	LATIN1,3,4			LATIN1,3,4, UNICODE

  	LATIN2				LATIN2, WIN1250, UNICODE
  
	LATIN5				LATIN5, WIN, ALT, UNICODE
  
	MULE_INTERNAL			EUC_JP, SJIS, EUC_KR, EUC_CN, 
					EUC_TW, BIG5, LATIN1$B$+$i(B5, 
					WIN, ALT, WIN1250

	UNICODE				EUC_JP, SJIS, EUC_KR, EUC_CN, 
					EUC_TW, BIG5, LATIN1$B$+$i(B5, 
					WIN, ALT, WIN1250
  ----------------------------------------------------------------

  * UNICODE$B$r<+F0%(%s%3!<%G%#%s%0JQ49$NBP>]$K$9$k>l9g$O!$(B
    --enable-unicode-conversion $B%*%W%7%g%s(Bconfigure$B;~$KDI2C$7$F$/$@$5$$!%(B
  
  $B%P%C%/%(%s%I$H%U%m%s%H%(%s%I$N%(%s%3!<%G%#%s%0$,0[$J$k>l9g!$$=$N$3$H(B
  $B$r%P%C%/%(%s%I$KEA$($kI,MW$,$"$j$^$9!%$=$N$?$a$NJ}K!$,$$$/$D$+$"$j$^(B
  $B$9!%(B

o psql $B$N(B \encoding $B%3%^%s%I$r;H$&J}K!(B

  psql$B$G$O!$(B\encoding$B%3%^%s%I$r;H$C$FF0E*$K%U%m%s%H%(%s%IB&$NJ8;z%3!<(B
  $B%I$r@ZBX$($k$3$H$,$G$-$^$9!%Nc(B:

	\encoding SJIS

o libpq $B$N4X?t(B PQsetClientEncoding $B$r;H$&J}K!(B

  7.0 $B$+$i?7$7$$(B libpq $B4X?t(B PQsetClientEncoding $B$,DI2C$5$l$F$$$^$9!%(B

  PQsetClientEncoding(PGconn *conn, const char *encoding)

  $B$3$N4X?t$r;H$($P!$%3%M%/%7%g%sKh$K%(%s%3!<%G%#%s%0$r@ZBX$($k$3$H$,$G(B
  $B$-$^$9!%8=:_$N%(%s%3!<%G%#%s%0$NLd$$9g$o$;$O(B

  int PQclientEncoding(const PGconn *conn)

  $B$G$9!%(B

o $B4D6-JQ?t(B PGCLIENTENCODING $B$r;H$&J}K!(B

  $B>e5-J}K!$GBP1~$G$-$J$$>l9g!$$"$k$$$O%U%m%s%H%(%s%I$G;H$o$l$k%(%s%3!<(B
  $B%G%#%s%0$,$"$i$+$8$aJ,$+$C$F$$$k>l9g$O4D6-JQ?t(B PGCLIENTENCODING $B$r;H(B
  $B$&$N$,JXMx$G$9!%$3$NJ}K!$O99$KBg$-$/(B2$B$D$KJ,$+$l$^$9!%(B

  (1) postmaster $B5/F0;~$K4D6-JQ?t$r@_Dj$9$kJ}K!(B

  $B$9$Y$F$N%/%i%$%"%s%H(B($B%U%m%s%H%(%s%I(B)$B$,F1$8%(%s%3!<%G%#%s%0$r;H$&$N$,(B
  $BJ,$+$C$F$$$k>l9g!$(Bpostmaster $B5/F0;~$K4D6-JQ?t(B PGCLIENTENCODING $B$r@_(B
  $BDj$7$^$9!%$3$N>l9g$G$b!$(B(2)$B$NJ}K!$G8D!9$N%/%i%$%"%s%HKh$KJL$N%(%s%3!<(B
  $B%G%#%s%0$r@_Dj$9$k$3$H$,$G$-$^$9!%(B

  (2) $B%/%i%$%"%s%H!$%U%m%s%H%(%s%IKh$K%(%s%3!<%G%#%s%0$r@_Dj$7$?$$>l9g(B

  $B$3$N>l9g$O$=$N%U%m%s%H%(%s%I(B($B$?$H$($P(B psql)$B$r5/F0$9$kA0$K4D6-JQ?t(B 
  PGCLIENTENCODING $B$r@_Dj$7$^$9!%(B

o set client_encoding $B%3%^%s%I$r;H$&J}K!(B

  $B>e5-(B(2)$B$NJ}K!$O!$(Blibpq $B$r;H$C$F$$$J$$(B JDBC $B$d(B ODBC $B$G$O;HMQ$G$-$^$;(B
  $B$s!%$3$N>l9g!$(BSQL$B%3%^%s%I$G$"$k(B set client_encoding $B%3%^%s%I$rMxMQ$7(B
  $B$^$9!%Nc!'(B

	set client_encoding to 'sjis';

$B"#8=:_@_Dj$5$l$F$$$k%U%m%s%H%(%s%IB&$N%(%s%3!<%G%#%s%0$rD4$Y$k(B

 $B8=:_@_Dj$5$l$F$$$k%U%m%s%H%(%s%IB&$N%(%s%3!<%G%#%s%0$O(B

	show client_encoding;

  $B$G;2>H$G$-$^$9!%(B

$B"#%G%U%)%k%H$N%(%s%3!<%G%#%s%0$X$NI|5"(B

  SQL$B%3%^%s%I(B:

	reset client_encoding;

  $B$O!$%G%U%)%k%H$N%U%m%s%H%(%s%I%(%s%3!<%G%#%s%0@_Dj$KI|5"$5$;$^$9!%(B
  postmaster$B$rN)$A>e$2$k$H$-$K4D6-JQ?t(B PGCLIENTENCODING $B$,@_Dj$5$l$F$$(B
  $B$k$H$=$N%(%s%3!<%G%#%s%0$K!$$=$&$G$J$1$l$P%G!<%?%Y!<%9$N%(%s%3!<%G%#(B
  $B%s%0$HF1$8$K$J$j$^$9!%(B
  
$B"#%(%s%3!<%G%#%s%0JQ49ITG=$N>l9g$N=hM}(B

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	G0: JIS ROMAN (ASCII $B$H$[$\F1$8(B)
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  $B%(%s%3!<%G%#%s%0(B	$BJQ49%F!<%V%k(B
  ============================================================
  ISO 8859-1		$B$J$7(B
  ISO 8859-2		8859-2.TXT
  ISO 8859-3		8859-3.TXT
  ISO 8859-4		8859-4.TXT
  ISO 8859-5		8859-5.TXT
  EUC_JP		JIS0201.TXT, JIS0208.TXT, JIS0212.TXT
  SJIS			CP932.TXT
  EUC_CN		GB2312.TXT
  EUC_KR		OLD5601.TXT
  EUC_TW		CNS11643.TXT
  Big5			BIG5.TXT
  ============================================================

$B<U<-!'(B

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$B;29M(B1$B!'(B

  Pavel Behal$B;a$K$h$jDs6!$5$l$?(BWIN1250$B%5%]!<%H$G$9$,!$(BWindows$B4D6-$G$N(B
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  $BIU$7$F$*$-$^$9!%(B

  -------------------------------------------------------------------
Version: 0.91 for PgSQL 6.5
Author: Pavel Behal
Revised by: Tatsuo Ishii
Email: behal@opf.slu.cz
Licence: The Same as PostgreSQL

Sorry for my Eglish and C code, I'm not native :-)

!!!!!!!!!!!!!!!!!!!!!!!!! NO WARRANTY !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Instalation:
------------
1) Change three affected files in source directories 
    (I don't have time to create proper patch diffs, I don't know how)
	[PostgreSQL 6.5.1$B$G$O$3$N%9%F%C%W$OI,MW$"$j$^$;$s!%(B-- $B@P0f(B]
2) Compile with enabled locale and multibyte set to LATIN2
3) Setup properly your instalation, do not forget to create locale
   variables in your profile (environment). Ex. (may not be exactly true):
	LC_ALL=cs_CZ.ISO8859-2
	LC_COLLATE=cs_CZ.ISO8859-2
	LC_CTYPE=cs_CZ.ISO8859-2
	LC_MONETARY=cs_CZ.ISO8859-2
	LC_NUMERIC=cs_CZ.ISO8859-2
	LC_TIME=cs_CZ.ISO8859-2
4) You have to start the postmaster with locales set!
5) Try it with Czech language, it have to sort
5) Install ODBC driver for PgSQL into your M$ Windows
6) Setup properly your data source. Include this line in your ODBC
   configuration dialog in field "Connect Settings:" :
	SET CLIENT_ENCODING = 'WIN1250';
7) Now try it again, but in Windows with ODBC.

Description:
------------
- Depends on proper system locales, tested with RH6.0 and Slackware 3.6,
  with cs_CZ.iso8859-2 loacle
- Never try to set-up server multibyte database encoding to WIN1250,
  always use LATIN2 instead. There is not WIN1250 locale in Unix
- WIN1250 encoding is useable only for M$W ODBC clients. The characters are
  on thy fly re-coded, to be displayed and stored back properly
 
Important:
----------
- it reorders your sort order depending on your LC_... setting, so don't be
  confused with regression tests, they don't use locale
- "ch" is corectly sorted only in some newer locales (Ex. RH6.0)
- you have to insert money as '162,50' (with comma in aphostrophes!)
- not tested properly
  -------------------------------------------------------------------

$B;29M(B2$B!'(BSJIS$B%f!<%6Dj5AJ8;z(B (UDC) $B$r$I$&07$&$+$H8@$&$3$H$K$D$$$FCf>r$5$s(B
    (nak@email.com)$B$+$i$$$?$@$$$?LdBjDs5/$H2r@b$G$9!%(B

-------------------------- $B0zMQ3+;O(B ----------------------------------
---
1. SJIS $B%3!<%I$NHO0O(B

    1 $B%P%$%HL\(B 0x81 - 0x9F$B!$(B0xE0 - 0xFC
    2 $B%P%$%HL\(B 0x40 - 0x7E$B!$(B0x80 - 0xFC

    $B$$$o$f$k!V30;zNN0h!W$NHO0O(B:

    - X0208 $B6&DL<+M3NN0h(B

    |--------------------
    | 85 $B6h(B  0xEB40 $B!A(B
    |...
    |--------------------
    | 89 $B6h(B  0xED40 $B!A(B    ; 89$B!A(B92 $B6h$O(B
    |...                  ; $B!V(BNEC $BA*Dj(B IBM $B3HD%J8;zNN0h!W(B
    |-------------------- ; $B$H8F$P$l$k(B
    | 93 $B6h(B  0xEF40 $B!A(B
    | 94 $B6h(B  0xEF9F $B!A(B 0xEFFC

    - $B%f!<%6Dj5AJ8;zNN0h(B
    
    |--------------------
    | 95 $B6h(B  0xF040 $B!A(B    ; 95$B!A(B104 $B6h(B
    |...                  ; $B!V%f!<%6Dj5AJ8;zNN0h(B A$B!W(B($B2>>N(B)
    |--------------------
    |105 $B6h(B  0xF540 $B!A(B    ; 105$B!A(B114 $B6h(B
    |...                  ; $B!V%f!<%6Dj5AJ8;zNN0h(B B$B!W(B($B2>>N(B)
    |--------------------
    |115 $B6h(B  0xFA40 $B!A(B    ; 115$B!A(B120 $B6h$O0lHL$K(B
    |...                  ; $B!V(BIBM $B3HD%J8;zNN0h!W(B
    |120 $B6h(B  ...          ; $B$H8F$P$l$k(B
    |--------------------

---
2. i-mode $BC<Kv$,;H$C$F$$$k?^7AJ8;z%3!<%I$NHO0O(B

    0xF89F - 0xF8FC  (112 $B6h(B)
    0xF940 - 0xF949  (113 $B6h(B)
    0xF972 - 0xF97E  (113 $B6h(B)
    0xF980 - 0xF990  (113 $B6h(B)
    0xF9B0           (114 $B6h(B)

---
3. $B0lHLE*$J(B EUC $BF|K\8l%3!<%I$NDj5A(B

    G0 : [0x21-0x7E]                  ; $B$$$o$f$k(B JIS ROMAN
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    G2 : 0x8E [0xA1-0xDF]             ; JIS X 0201 $B%+%J(B
    G3 : 0x8F [0xA1-0xFE] [0x21-0x7E] ; JIS X 0212 $BJd=u4A;z(B

---
[$BLdBjE@(B]

SJIS 95$B!A(B120 $B6h$O(B JIS X0208 $B$K3:Ev$9$kNN0h$,B8:_$7$J$$(B
$B$?$a!$$3$NNN0h$N(B EUC - SJIS $BJ8;z%3!<%IJQ49$O3F%Y%s%@$K(B
$B$h$C$F0[$J$k$N$G$O$J$$$+!$$H$$$&$N$,@P0fMM$+$i$N$4;XE&(B
$B$G$7$?!%(B

---
[$B5DO@(B]

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JIS $B%3!<%IJQ49;EMM!W$K$b$H$E$/$H=q$$$F$"$j!$(BSolaris 2.6 $B$+$iF3F~(B
$B$7$F$$$k$N$@$=$&$G!$;d$+$i8+$l$P;v<B>e$NI8=`$H9M$($F$bIT<+A3$G$O(B
$B$J$$$H46$8$^$9!%(B

$B$J$*!$>/$J$/$H$b(B 1996 $BG/Ev;~$K$*$$$F$O!$(BOracle $B$d(B Sybase $B$O(B 
SJIS $B$N%f!<%6Dj5A(B/$B%Y%s%@Dj5AJ8;zNN0h$r(B EUC $B$KJQ49$9$k:]!$H=JLIT(B
$B2DG=J8;z$H$7$F07$C$F$$$k$i$7$$$H$$$&$3$H$bJdB-$7$F$*$-$^$9!%(B

---
[$B;29M;qNA(B]

// URL $B$,D9$$$N$G!$ESCf$G@Z$l$J$$$H$$$$$N$G$9$,(B...

-$B!VF|K\8l(B EUC$B!&%7%U%H(B JIS $B%3!<%IJQ49;EMM$H%3!<%I7O<BBVD4::!W(B
    1966, OSF $BF|K\%Y%s%@6(5D2q(B
    http://www.opengroup.or.jp/jvc/cde/sjis-euc.html

-$B!VJ8;z%3!<%IJQ495,B'!W(B
    Solaris 7$B!$(BJFP $B%f!<%6!<%:%,%$%I(B
    http://docs.sun.com/ab2/coll.139.3/JFPUG/@Ab2PageView/11683?Ab2Lang=ja&Ab2Enc=euc-jp

-$B!VF|K\8lJ8;z%3!<%I!W(B
    Solaris 7$B!$(BJFP $B%f!<%6!<%:%,%$%I(B
    http://docs.sun.com/ab2/coll.139.3/JFPUG/@Ab2PageView/879;td=5?Ab2Lang=ja&Ab2Enc=euc-jp

    // $BFf$N!V(B1$B!A(B20 $B6h!W$N5-=R$O$3$3$+$i$-$F$$$^$9!%(B

---
-------------------------- $B0zMQ$3$3$^$G(B ---------------------------------

$B2~DjMzNr!'(B

  2000/2/15
	* $BFA2H(B@$B;06(1?M"%5!<%S%9$5$s$+$i!$(BCP932.TXT$B$h$j@8@.$7$?(BSJIS$BMQ$N(B
	  $BJQ49%F!<%V%k$rDs6!$7$F$$$?$@$-$^$7$?!%(B7.1$B$KH?1G$5$l$^$9!%(B

  2000/1/6
	* UNICODE$B$HB>$N%(%s%3!<%G%#%s%0$H$NAj8_JQ495!G=$rDI2C!%(B
	* 7.1$B$KH?1G$5$l$^$9!%(B

  2000/5/20
	* NEC $BA*Dj(B IBM $B4A;zBP1~$rDI2C$7$^$7$?!%$3$l$O(B $BFA2H(B@$B;06(1?M"%5!<%S%9(B
	  $B$5$s$+$i$N(B contribute $B$G$9!%(B
	* $B$3$l$i$O!$(B7.0.1 $B$KH?1G$5$l$^$9!%(B

  2000/3/22
	* PQsetClientEncoding, PQclientEncoding $B$r(Blibpq $B4X?t$KDI2C!$(B
	  $B%3%M%/%7%g%sKh$K%(%s%3!<%G%#%s%0$rJQ992DG=$K!%(B
	* SJIS $B%f!<%6Dj5AJ8;z(B (UDC) $B$X$NBP1~(B
  	* ./configure --with-mb=EUC_JP $B$+$i(B
	  ./configure --enable-multibyte=EUC_JP $B$KJQ99(B
  	* SQL_ASCII $B$N(B regression test $BDI2C(B
	* $B$3$l$i$O(B 7.0 $B$KH?1G$5$l$^$9!%(B

  1999/7/11 WIN1250(Windows$BMQ$N%A%'%38l(B)$B%5%]!<%H$rDI2C$7$^$7$?!%(B
	* WIN1250 $B$,%U%m%s%H%(%s%IB&$N%(%s%3!<%G%#%s%0$H$7$FMxMQ$G$-$k$h(B
	  $B$&$K$J$j$^$7$?!%$3$N>l9g!$%P%C%/%(%s%IB&$N%(%s%3!<%G%#%s%0$O(B
	  LATIN2 $B$^$?$O(B MULE_INTERNAL $B$H$7$^$9!%(B
	  (contributed by Pavel Behal)
	* backend/utils/mb/conv.c$B$K$*$1$k7?$NIT@09g$r=$@5$7$^$7$?!%(B
	  (contributed by Tomoaki Nishiyama)
	* $B$3$l$i$O(B6.5.1$B$KH?1G$5$l$^$9!%(B

  1999/3/23 $B%-%j%kJ8;z%5%]!<%HDI2CB>(B(6.5 $B$KH?1G:Q(B)
	* $B%(%s%3!<%G%#%s%0$H$7$F(B KOI8(KOI8-R), WIN(CP1251), ALT(CP866) $B$r(B
	  $B%5%]!<%H$7$F$$$^$9!%$3$l$i$O!$%U%m%s%H%(%s%I!$%P%C%/%(%s%I!$(B
	  $B$I$A$i$N%(%s%3!<%G%#%s%0$H$7$F$b;HMQ2DG=$G$"$j!$%(%s%3!<%G%#%s%0$N(B
	  $BAj8_JQ49$,2DG=$G$9!%$^$?!$=>Mh$+$i%5%]!<%H$7$F$$$k(B ISO 8859-5 $B$b(B
	  $BF1MM$K;HMQ2DG=$G$9!%(B
	  $B%-%j%kJ8;z%5%]!<%H$O!$(BOleg Broytmann <phd@sun.med.ru> $B;a$N(B
	  $B%j%/%(%9%H5Z$S6(NO$K$h$j<B8=$7$^$7$?!%$3$l$O!$=>Mh$+$i$"$k(B
	  RCODE $B%5%]!<%H$N5!G=$r<h$j9~$`$b$N$G$b$"$j$^$9!%(B
	* MB $B$H(B locale $B$rF1;~$K;XDj$7$?>l9g$KBgJ8;z!?>.J8;z$rL5;k$7$?(B
	  $B@55,I=8=8!:w$,@5>o$KF0:n$7$J$$%P%0$r=$@5(B

  1999/1/26 Big5 $B%5%]!<%HDI2C(B(6.4.2-patched/6.5 $B$KH?1G:Q(B)
	* Big5 $B$,%U%m%s%H%(%s%IB&$N%(%s%3!<%G%#%s%0$H$7$FMxMQ$G$-$k$h(B
	  $B$&$K$J$j$^$7$?!%$3$N>l9g!$%P%C%/%(%s%IB&$N%(%s%3!<%G%#%s%0$O(B
	  EUC_TW $B$^$?$O(B MULE_INTERNAL $B$H$7$^$9!%(B
	* EUC_TW $B$N(B regression test $B%1!<%9$rDI2C(B
	  (contributed by Jonah Kuo <jonahkuo@mail.ttn.com.tw>)

  1998/12/16 $BK\%I%-%e%a%s%H=$@5(B(6.4.2 $B$KH?1G:Q(B)$B!%(B
	* Makefile.custom $B$G(B MB=EUC_JP $B$J$I$H@_Dj$9$kJ}K!$O(B 6.4 $B0J9_(B
	  $B%5%]!<%H$5$l$F$$$J$$$N$G:o=|$7$?!%(B
	* $BJ8;z%3!<%I(B $B"*(B $B%(%s%3!<%G%#%s%0!$%/%i%$%"%s%H"*%U%m%s%H%(%s%I(B
	  $B%5!<%P"*%P%C%/%(%s%I(B $B$K$=$l$>$l8l6g$r=$@5!%(B

  1998/12/15 6.4 $B8~$1%P%0=$@5%Q%C%A%j%j!<%9(B(6.4.2 $B$KH?1G:Q(B)$B!%(B
	* SQL_ASCII $B%5%]!<%H$N%P%0=$@5(B

  1998/11/21 6.4 $B8~$1%P%0=$@5%Q%C%A%j%j!<%9(B(6.4.2 $B$KH?1G:Q(B)$B!%(B
	* BINARY CURSOR $B$NLdBj$r=$@5(B
	* pg_dumpall $B$N%P%0=$@5(B

  1998/11/5 6.4 $B%j%j!<%9!%(B
	* pg_database $B$N(B encoding $B%+%i%`$,(B MB $B$,M-8z$G$J$$$H$-$K$b(B
	  $BDI2C$5$l$k$h$&$K$J$C$?!%$=$N$?$a!$(BMB $B$,M-8z$G$J$$$H$-$K$O!$(B
	  ASCII $B$N%(%s%3!<%G%#%s%0$rI=$9(B SQL_ASCII $B$r?7$7$$%(%s%3!<%G%#%s%0(B
	  $B$H$7$FDI2C$7$?!%$3$l$K$H$b$J$$!$%(%s%3!<%G%#%s%0L>$KBP1~$9$k(B
	  $B%(%s%3!<%G%#%s%0(BID$B$,(B SQL_ASCII $B$r(B 0 $B$H$9$kHV9f$KJQ99$K$J$C$?!%(B

  1998/7/22 6.4 $B&A8~$1$K%Q%C%A$r%j%j!<%9!%(B
	* initdb/createdb/create database $B$G%P%C%/%(%s%IB&$N(B
	  $B%(%s%3!<%G%#%s%0$r@_Dj$-$k5!G=<BAu!%$3$N$?$a!$%7%9%F%`%+%?%m(B
	  $B%0$N(B pg_database $B$K?7$7$$%+%i%`(B encoding $B$rDI2C(B(MB$B$,M-8z$J;~$@$1(B)
	* copy $B$,(B PGCLIENTENCODING $B$KBP1~(B
	* SQL92 $B$N(B "SET NAMES" $B$r%5%]!<%H(B(MB$B$,M-8z$J;~$@$1(B)
	* LATIN2-5 $B$r%5%]!<%H(B
	* regression test $B$K(B unicode $B$N%F%9%H%1!<%9$rDI2C(B
	* MB $B@lMQ$N(B regression $B%F%9%H%G%#%l%/%H%j(B test/mb $B$rDI2C(B
	* $B%=!<%9%U%!%$%k$NCV$->l=j$rBgI}8+D>$7!%(BMB $B4X78$O(B
	  include/mb, backend/utils/mb $B$KCV$/$h$&$K$7$?(B

  1998/5/25 $B%P%0=$@5(B(mb_b3.patch $B$H$7$F(B pgsql-jp ML $B$K%j%j!<%9!$(B
	$BK\2H$G$O(B 6.4 snapshot $B$K<h$j9~$^$l$kM=Dj(B)	

  1998/5/18 $B5!G=DI2C!?%P%0=$@5(B(mb_b2.patch $B$H$7$F(B pgsql-jp ML $B$K%j%j!<%9!$(B
	$BK\2H$G$O(B 6.4 snapshot $B$K<h$j9~$^$l$kM=Dj(B)
	* $B4D6-JQ?t(B PGCLIENTENCODING $B$N%5%]!<%H!%%U%m%s%H%(%s%IB&$N(B
	  $B%(%s%3!<%G%#%s%0$r;XDj$9$k!%8=:_!$(BSJIS, EUC_*, MULE_INTERNAL, 
	  LATIN1 $B$,;XDj$G$-$k!%$^$?!$(B
	  set client_encoding to 'sjis';
	  $B$G$b2DG=(B
	* 8bit $BJ8;z$,EO$k$HLdBj$,5/$-$k2U=j$K$G$-$k$@$1BP1~(B

  1998/4/21 $B5!G=DI2C!?%P%0=$@5(B(mb_b1.patch $B$H$7$F(B pgsql-jp ML $B$K%j%j!<%9!$(B
	$BK\2H$G$O(B 6.4 snapshot $B$K<h$j9~$^$l$F$$$k(B)
	* character_length(), position(), substring() $B$N%^%k%A%P%$%H(B
	  $BBP1~(B
	* octet_length() $BDI2C(B $B"*(B initdb $B$N$d$jD>$7I,MW(B
	* configure $B$N%*%W%7%g%s$K(B MB $B%5%]!<%HDI2C(B
	  (ex. configure --with-mb=EUC_JP)
	* EUC_KR $B$N(B regression test $BDI2C(B
	  ("Soonmyung. Hong" <hong@lunaris.hanmesoft.co.kr> $B$5$sDs6!(B)
	* EUC_JP $B$N(B regression test $B$K(B character_length(), position(),
	  substring(), octet_length() $BDI2C(B
	* regress.sh $B$N(B SystemV $B$K$*$1$kHs8_49@-=$@5(B
	* toupper(), tolower() $B$K(B 8bit $BJ8;z$,EO$k$HMn$A$k$3$H$,(B
	  $B$"$k$N$r=$@5(B

  1998/3/25 PostgreSQL 6.3.1 $B%j%j!<%9!$(BMB PL2 $B$,<h$j9~$^$l$k(B

  1998/3/10 PL2 $B$r%j%j!<%9(B
	* EUC_JP, EUC_CN, MULE_INTERNAL $B$N(B regression test $B$rDI2C(B
	  (EUC_CN $B$N%G!<%?$O(B he@sra.co.jp $B$5$sDs6!(B)
	* regexp $B$K$*$$$F!$(Bisalpha $B$J$I$K(B unsigend char $B0J30$NCM$,(B
          $BEO$i$J$$$h$&$K%,!<%I$r$+$1$k(B
	* $B1Q8l$N%I%-%e%a%s%H$rDI2C(B
	* MB $B$rDj5A$7$J$$>l9g$KH/@8$9$k%P%0$r=$@5(B

  1998/3/1 PL1 $B$r%j%j!<%9(B

$B0J>e!%(B