Update multibyte Japanese document

This commit is contained in:
Tatsuo Ishii 2002-10-21 05:14:06 +00:00
parent 210a039d4f
commit 79382cb91f

View File

@ -1,8 +1,7 @@
PostgreSQL 7.2 multi-byte (MB) support README 2001/9/18 $B:n@.(B PostgreSQL 7.3 multi-byte (MB) support README 2002/10/21 $B:n@.(B
$B@P0fC#IW(B $B@P0fC#IW(B
ishii@postgresql.org ishii@postgresql.org
http://www.sra.co.jp/people/t-ishii/PostgreSQL/
$B"#$O$8$a$K(B $B"#$O$8$a$K(B
@ -10,7 +9,7 @@ PostgreSQL 7.2 multi-byte (MB) support README 2001/9/18 $B:n@.(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 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 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 $B%G!<%?%Y!<%9$K$O$3$N%(%s%3!<%G%#%s%0$N$^$^3JG<$5$l$^$9!%(B
2. $B%F!<%V%kL>$K%^%k%A%P%$%HJ8;z$,;HMQ2DG=(B 2. $B%F!<%V%kL>$K%^%k%A%P%$%HJ8;z$,;HMQ2DG=(B
3. $B%+%i%`L>$K%^%k%A%P%$%HJ8;z$,;HMQ2DG=(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 4. $B%G!<%?$=$N$b$N$K$b%^%k%A%P%$%HJ8;z$,;HMQ2DG=(B
@ -19,26 +18,11 @@ PostgreSQL 7.2 multi-byte (MB) support README 2001/9/18 $B:n@.(B
7. character_length(), position(), substring() $B$J$I$NJ8;zNs4X?t$G(B 7. character_length(), position(), substring() $B$J$I$NJ8;zNs4X?t$G(B
$B$N%^%k%A%P%$%H%5%]!<%H(B $B$N%^%k%A%P%$%H%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 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$$$^$9!%(B $B<+F0E*$K%(%s%3!<%G%#%s%0JQ49$r9T$J$$$^$9!%(B
9. $B%f!<%6Dj5A$N%(%s%3!<%G%#%s%0JQ49$r:n@.2DG=!%(B
$B"#%$%s%9%H!<%k(B $B%^%k%A%P%$%H%5%]!<%H$,07$&$3$H$N$G$-$k%(%s%3!<%G%#%s%0$O0J2<$K$J$j$^(B
$B$9!%(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$$$^$;$s!%%^%k%A%P%$%H%5%]!<%H$rM-8z$K$9$kJ}K!$r@bL@$7$^$9!%(B
$B$?$H$($PF|K\8l(B EUC $B$r<g$KMxMQ$9$k>l9g$O!$(Bconfigure $B5/F0;~$K0J2<$N$h(B
$B$&$K;XDj$7$^$9!%(B
$ ./configure --enable-multibyte=EUC_JP
7.1 $B$G$O!$(B--enable-unicode-conversion $B$r;XDj$7$J$$$H(B Unicode $B$H$=$l(B
$B0J30$N%(%s%3!<%G%#%s%0$N4V$NJQ49$,$G$-$^$;$s$G$7$?$,!$(B7.2 $B0J9_$G$OC1(B
$B$K(B --enable-multibyte $B$r;XDj$7$?$@$1$G<+F0E*$K(B
--enable-unicode-conversion $B$,M-8z$K$J$j$^$9!%$?$@$7!$(B
--enable-multibyte $B$r;XDj$7$J$,$i!$(B--enable-unicode-conversion $B$@$1(B
$B$rL58z$K$9$k$3$H$O$G$-$^$;$s!%(B
$B%(%s%3!<%G%#%s%0$H$7$F$O(B EUC_JP $B$NB>!$0J2<$,;XDj$G$-$^$9!%(B
SQL_ASCII ASCII SQL_ASCII ASCII
EUC_JP $BF|K\8l(B EUC EUC_JP $BF|K\8l(B EUC
@ -52,8 +36,8 @@ PostgreSQL 7.2 multi-byte (MB) support README 2001/9/18 $B:n@.(B
$B$9$J$o$A(B 0xffff $B$^$G$G$9!%(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 MULE_INTERNAL mule $B$NFbIt%3!<%I!%$?$@$7!$(BType N $B$NITDjD9J8;z$O(B
$B%5%]!<%H$7$F$$$^$;$s!%(B $B%5%]!<%H$7$F$$$^$;$s!%(B
LATIN* ISO8859 Latin $B%7%j!<%:!%(B* $B$O(B 1 $B$+$i(B 5 $B$^$G;XDj(B LATIN1 $B$+$i(B LATIN10$B$^$G(B
$B$G$-$^$9!%(B ISO_8859_1 $B$+$i(B 16$B$^$G(B
$B%-%j%kJ8;z(B KOI8(KOI8-R), WIN(CP1251), ALT(CP866)$B$r%5%]!<%H(B $B%-%j%kJ8;z(B KOI8(KOI8-R), WIN(CP1251), ALT(CP866)$B$r%5%]!<%H(B
$B$7$F$$$^$9!%$b$A$m$s(B ISO 8859-5 $B$b;HMQ2DG=$G$9!%(B $B$7$F$$$^$9!%$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$$!%(B $B$3$N>l9g!$(B"LATIN5" $B$H$7$F;XDj$7$F2<$5$$!%(B
@ -61,26 +45,22 @@ PostgreSQL 7.2 multi-byte (MB) support README 2001/9/18 $B:n@.(B
TCVN $B%Y%H%J%`8l(B."ABC"$B$d(B"VSCII"$B$b;HMQ2DG=(B. TCVN $B%Y%H%J%`8l(B."ABC"$B$d(B"VSCII"$B$b;HMQ2DG=(B.
WIN874 $B%?%$8l(B. WIN874 $B%?%$8l(B.
$B%U%m%s%H%(%s%IB&$G$O$5$i$K0J2<$N%(%s%3!<%G%#%s%0$,;HMQ$G$-$^$9!%(B
SJIS $B%7%U%H(BJIS(MS932$B$H$[$\8_49(B)
BIG5 $BBfOQ$d9a9A$G;HMQ$5$l$F$$$kCf9q8l!%(BEUC_TW$B$H8_49(B
$B@-$,$"$j$^$9!%(B
GBK Windows-936
UHC Windows-949
WIN1250 Windows-1250
GB18030 GB18030
$B"#F|K\8l$r;HMQ$9$k$3$H$N$G$-$k%(%s%3!<%G%#%s%0(B
$BA*Br$NL\0B$H$7$F$O!$1Q8l$HF|K\8l$7$+;H$o$J$$>l9g$O(B EUC_JP($BF1MM$K!$Cf(B $BA*Br$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 $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$$>l9g$O(B UNICODE $B$b$7$/$O(B MULE_INTERNAL $B$H$J$k$G$7$g$&!%(B
$B%(%s%3!<%G%#%s%0$r>JN,$7$?>l9g!$%G%U%)%k%HCM$H$7$F(B SQL_ASCII $B$,:NMQ(B
$B$5$l$^$9!%(B
$B$J$*!$(Bconfigure $B$GA*Br$7$?%(%s%3!<%G%#%s%0$O!$$"$/$^$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!$$?$/$5$s$NJ8;z=89g$KBP1~$G$-$FJXMx$G$9(B $BCm0U!'(BMULE_INTERNAL $B$rA*$V$H!$$?$/$5$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] $B$,!$@55,I=8=$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 $B$H$+!$(B[abc$BHO0O(B]$B$N$h$&$J(B)$B$O;H$($^$;$s!%J#?t$NHO0O;XDj$G0[$J$kJ8;z=89g(B
@ -89,10 +69,11 @@ PostgreSQL 7.2 multi-byte (MB) support README 2001/9/18 $B:n@.(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$3$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 $B$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$$$^$9!%%$%s(B $B"#%$%s%9%H!<%k(B
$B%9%H!<%k$N>\:Y$O(B INSTALL $B$H$$$&%F%-%9%H%U%!%$%k$r8fMw2<$5$$!%$^$?!$(B
http://www.sra.co.jp/people/t-ishii/PostgreSQL/ $B$G$b4JC1$J%$%s%9%H!<(B PostgreSQL 7.3$B$+$i$O(Bconfigure$B$N%*%W%7%g%s;XDj$NM-L5$K4X$o$i$:!$%^%k(B
$B%kJ}K!$r>R2p$7$F$$$^$9!%(B $B%A%P%$%H%5%]!<%H$,M-8z$K$J$C$F$$$^$9$N$G!$FC$K(Bconifgure$B;~$K%^%k%A%P(B
$B%$%HMQ$NFCJL$J%*%W%7%g%s$r;XDj$9$kI,MW$O$"$j$^$;$s!%(B
$B"#(Binitdb/createdb/create database $B$K$*$1$k%(%s%3!<%G%#%s%0$N;XDj$K$D$$$F(B $B"#(Binitdb/createdb/create database $B$K$*$1$k%(%s%3!<%G%#%s%0$N;XDj$K$D$$$F(B
@ -103,8 +84,27 @@ PostgreSQL 7.2 multi-byte (MB) support README 2001/9/18 $B:n@.(B
$B$3$3$G;XDj$7$?%(%s%3!<%G%#%s%0$O!$0J8e(B createdb/create database $B$G%((B $B$3$3$G;XDj$7$?%(%s%3!<%G%#%s%0$O!$0J8e(B createdb/create database $B$G%((B
$B%s%3!<%G%#%s%0$r>JN,$7$?>l9g$K@_Dj$5$l$k%(%s%3!<%G%#%s%0$K$J$j$^$9!%(B $B%s%3!<%G%#%s%0$r>JN,$7$?>l9g$K@_Dj$5$l$k%(%s%3!<%G%#%s%0$K$J$j$^$9!%(B
-E $B$^$?$O(B --encoding $B%*%W%7%g%s$r>JN,$7$?>l9g$O!$(Bconfigure $B$G;XDj$7(B -E $B$^$?$O(B --encoding $B%*%W%7%g%s$r>JN,$7$?>l9g$O!$%(%s%3!<%G%#%s%0$H(B
$B$?%(%s%3!<%G%#%s%0$,:NMQ$5$l$^$9!%(B $B$7$F(BSQL_ASCII$B$,:NMQ$5$l$F$7$^$&$N$G!$F|K\8l$r%G%U%)%k%H$G;HMQ$9$k>l(B
$B9g$O!$(B
-E EUC_JP
$B$"$k$$$O(B
--encoding=EUC_JP
$B$H$7$FI,$:L@<(E*$K%(%s%3!<%G%#%s%0$r;XDj$7$F$/$@$5$$!%(B
$B$J$*!$(BPostgreSQL 7.3$B0J9_%m%1!<%k%5%]!<%H$,I,$:M-8z$K$J$C$F$$$^$9$,!$(B
$B$3$l$OF|K\8l$J$I$r;HMQ$9$k:]$K$O2?$N%a%C%j%H$b$J$$$P$+$j$G$J$/!$>c32(B
$B$N860x$K$J$C$?$j!$(BLIKE$B8!:w$d@55,I=8=8!:w$G%$%s%G%C%/%9$,M-8z$K$J$i$J(B
$B$$$J$I$NLdBj$r0z$-5/$3$9$N$G!$L58z$K$7$F$*$/$3$H$r$*$9$9$a$7$^$9!%%m(B
$B%1!<%k%5%]!<%H$rL58z$K$9$k$?$a$K$O!$(B
--no-locale
$B%*%W%7%g%s$r;XDj$7$^$9!%(B
createdb $B$G$O0J2<$N%*%W%7%g%s$G%(%s%3!<%G%#%s%0$,;XDj$G$-$^$9!%(B createdb $B$G$O0J2<$N%*%W%7%g%s$G%(%s%3!<%G%#%s%0$,;XDj$G$-$^$9!%(B
@ -229,31 +229,35 @@ o libpq $B$N4X?t(B PQsetClientEncoding $B$r;H$&J}K!(B
$B$G$9!%(B $B$G$9!%(B
o $B4D6-JQ?t(B PGCLIENTENCODING $B$r;H$&J}K!(B o postgresql.conf $B$G@_Dj$9$kJ}K!(B
$B>e5-J}K!$GBP1~$G$-$J$$>l9g!$$"$k$$$O%U%m%s%H%(%s%I$G;H$o$l$k%(%s%3!<(B $B%U%m%s%H%(%s%I$N%G%U%)%k%H%(%s%3!<%G%#%s%0$r;XDj$9$k$K$O!$(B
$B%G%#%s%0$,$"$i$+$8$aJ,$+$C$F$$$k>l9g$O4D6-JQ?t(B PGCLIENTENCODING $B$r;H(B postgresql.conf $B$N(B client_encoding $B$r;XDj$7$^$9!%;XDjNc(B:
$B$&$N$,JXMx$G$9!%$3$NJ}K!$O99$KBg$-$/(B2$B$D$KJ,$+$l$^$9!%(B
client_encoding = SJIS
o $B4D6-JQ?t(B PGCLIENTENCODING $B$r;H$&J}K!(B
(1) postmaster $B5/F0;~$K4D6-JQ?t$r@_Dj$9$kJ}K!(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 $B4D6-JQ?t(B PGCLIENTENCODING $B$r@_Dj$9$k$3$H$K$h$j!$(B postgresql.conf $B$G(B
$BJ,$+$C$F$$$k>l9g!$(Bpostmaster $B5/F0;~$K4D6-JQ?t(B PGCLIENTENCODING $B$r@_(B $B%(%s%3!<%G%#%s%0$r;XDj$9$k$N$HF1$88z2L$,F@$i$l$^$9!%$?$@$7!$$3$l$ONr(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 $B;KE*7P0^$+$i;D$5$l$F$$$k5!G=$G!$:#8e$O$3$N5!G=$rMxMQ$7$J$$$3$H$r$*$9(B
$B%G%#%s%0$r@_Dj$9$k$3$H$,$G$-$^$9!%(B $B$9$a$7$^$9!%@_DjNc(B:
export PGCLIENTENCODING=SJIS postmaster -S
(2) $B%/%i%$%"%s%H!$%U%m%s%H%(%s%IKh$K%(%s%3!<%G%#%s%0$r@_Dj$7$?$$>l9g(B (2) $B%/%i%$%"%s%H!$%U%m%s%H%(%s%IKh$K%(%s%3!<%G%#%s%0$r@_Dj$7$?$$>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 $B$=$N%U%m%s%H%(%s%I(B($B$?$H$($P(B psql)$B$r5/F0$9$kA0$K4D6-JQ?t(B
PGCLIENTENCODING $B$r@_Dj$7$^$9!%(B PGCLIENTENCODING $B$r@_Dj$7$^$9!%(B
o set client_encoding $B%3%^%s%I$r;H$&J}K!(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$-$^$;(B SET CLIENT_ENCODING SQL$B%3%^%s%I$r;H$C$FF0E*$K%U%m%s%H%(%s%I$N%(%s%3!<(B
$B$s!%$3$N>l9g!$(BSQL$B%3%^%s%I$G$"$k(B set client_encoding $B%3%^%s%I$rMxMQ$7(B $B%G%#%s%0$rJQ99$G$-$^$9!%Nc(B:
$B$^$9!%Nc!'(B
set client_encoding to 'sjis'; SET CLIENT_ENCODING TO SJIS;
$B"#8=:_@_Dj$5$l$F$$$k%U%m%s%H%(%s%IB&$N%(%s%3!<%G%#%s%0$rD4$Y$k(B $B"#8=:_@_Dj$5$l$F$$$k%U%m%s%H%(%s%IB&$N%(%s%3!<%G%#%s%0$rD4$Y$k(B
@ -261,18 +265,18 @@ o set client_encoding $B%3%^%s%I$r;H$&J}K!(B
show client_encoding; show client_encoding;
$B$G;2>H$G$-$^$9!%(B $B$G;2>H$G$-$^$9(B($B>.J8;z$GI=<($5$l$^$9(B)$B!%(B
$B"#%G%U%)%k%H$N%(%s%3!<%G%#%s%0$X$NI|5"(B $B"#%G%U%)%k%H$N%(%s%3!<%G%#%s%0$X$NI|5"(B
SQL$B%3%^%s%I(B: SQL$B%3%^%s%I(B:
reset client_encoding; 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 $B$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$$(B postmaster$B$rN)$A>e$2$k$H$-$K(B postgresql.conf $B$N(B client_encoding $B$d4D(B
$B$k$H$=$N%(%s%3!<%G%#%s%0$K!$$=$&$G$J$1$l$P%G!<%?%Y!<%9$N%(%s%3!<%G%#(B $B6-JQ?t(B PGCLIENTENCODING $B$,@_Dj$5$l$F$$$k$H$=$N%(%s%3!<%G%#%s%0$K!$$=(B
$B%s%0$HF1$8$K$J$j$^$9!%(B $B$&$G$J$1$l$P%G!<%?%Y!<%9$N%(%s%3!<%G%#%s%0$HF1$8$K$J$j$^$9!%(B
$B"#L@<(E*$J%(%s%3!<%G%#%s%0JQ49(B $B"#L@<(E*$J%(%s%3!<%G%#%s%0JQ49(B
@ -291,6 +295,17 @@ o set client_encoding $B%3%^%s%I$r;H$&J}K!(B
$B$O!$(BUnicode$B$N%F!<%V%k(Bunicode_tbl$B$N(Btext$BNs$r(BEUC_JP$B$KJQ49$7$FJV$7$^$9!%(B $B$O!$(BUnicode$B$N%F!<%V%k(Bunicode_tbl$B$N(Btext$BNs$r(BEUC_JP$B$KJQ49$7$FJV$7$^$9!%(B
7.3$B$G$O$5$i$K(BSQL$BI8=`$N(BCONVERT$B4X?t$,;H$($^$9!%(BSQL$BI8=`$N(BCONVERT$B$O(B
PostgreSQL$B$N(BCONVERT$B$H5!G=$O$[$H$s$IF1$8$G$9$,!$8F$S=P$77A<0$,0[$j$^(B
$B$9!%(B
SELECT convert(text using euc_jp_to_utf_8) FROM unicode_tbl;
"using" $B$N8e$N0z?t$O!V%3%s%P!<%8%g%sL>!W$G$9!%$3$NNc$G$O!$(BEUC_JP $B$+(B
$B$i(B UTF-8 $B$KJQ49$9$k%3%s%P!<%8%g%s$r;XDj$7$F$$$^$9!%Dj5A:Q$N%3%s%P!<(B
$B%8%g%s$K$D$$$F$O!$%f!<%6!<%:%,%$%I$N(B "String Functions and
Operators" $B$NI=(B"Built-in Conversions" $B$r8+$F$/$@$5$$!%(B
$B"#%(%s%3!<%G%#%s%0JQ49ITG=$N>l9g$N=hM}(B $B"#%(%s%3!<%G%#%s%0JQ49ITG=$N>l9g$N=hM}(B
$B%P%C%/%(%s%IB&$N%(%s%3!<%G%#%s%0$H%U%m%s%H%(%s%IB&$N%(%s%3!<%G%#%s%0(B $B%P%C%/%(%s%IB&$N%(%s%3!<%G%#%s%0$H%U%m%s%H%(%s%IB&$N%(%s%3!<%G%#%s%0(B
@ -305,6 +320,34 @@ o set client_encoding $B%3%^%s%I$r;H$&J}K!(B
$B$J$*!$(BUnicode$B$H$=$l0J30$N%(%s%3!<%G%#%s%0$NJQ49$@$1$ONc30$G!$(BNOTICE $B$J$*!$(BUnicode$B$H$=$l0J30$N%(%s%3!<%G%#%s%0$NJQ49$@$1$ONc30$G!$(BNOTICE
$B%a%C%;!<%8$,I=<($5$l!$JQ49ITG=$NJ8;z$OL5;k$5$l$^$9!%(B $B%a%C%;!<%8$,I=<($5$l!$JQ49ITG=$NJ8;z$OL5;k$5$l$^$9!%(B
$B"#%G%U%)%k%H%3%s%P!<%8%g%s(B
$B%G%U%)%k%H%3%s%P!<%8%g%s$O!$%P%C%/%(%s%I$H%U%m%s%H%(%s%I$H$N4V$N%(%s(B
$B%3!<%G%#%s%0$N<+F0JQ49$K;H$o$l$kFCJL$J%3%s%P!<%8%g%s$G$9!%%G%U%)%k%H(B
$B%3%s%P!<%8%g%s$O3F!9$N(B{$B%9%-!<%^!$%=!<%9%(%s%3!<%G%#%s%0!$%G%9%F%#%M!<(B
$B%7%g%s%(%s%3!<%G%#%s%0(B}$B$NAH$_9g$o$;$K$*$$$F!$$?$@0l8D$@$1B8:_$7$^$9!%(B
$B>e5-$G@bL@$7$?AH$_9~$_:Q$N%3%s%P!<%8%g%s$O!$(Bpg_catalog$B%9%-!<%^$K$*$$(B
$B$FDj5A$5$l$F$*$j!$%9%-!<%^%5!<%A%Q%9$N@_Dj$K4X$o$i$:I,$:MxMQ$G$-$k%3(B
$B%s%P!<%8%g%s$K$J$C$F$$$^$9!%(B
$B5U$K8@$&$H!$(B pg_catalog $B0J30$N%9%-!<%^$K%G%U%)%k%H%3%s%P!<%8%g%s$r:n(B
$B@.$9$k$3$H$K$h$j!$%G%U%)%k%H%3%s%P!<%8%g%s$r<+M3$KA*Br$9$k$3$H$b$G$-(B
$B$k$o$1$G$9!%$?$H$($P(B SJIS $B$H$NJQ49$K$*$$$F!$(BPostgreSQL $B$,MQ0U$7$F$$(B
$B$k(B MS932$B8_49(B $B$NJQ49$G$O$J$/!$(BJIS $B5,3J$N%7%U%H%8%9$KAjEv$9$kJQ49$r9T(B
$B$&$h$&$J%3%s%P!<%8%g%s$r:n@.$9$k$3$H$b2DG=$G$9!%(B
$B"#%f!<%6Dj5A%3%s%P!<%8%g%s$N:n@.(B
PostgreSQL 7.3$B0J9_!$%f!<%6Dj5A$N%3%s%P!<%8%g%s$r:n@.$G$-$k$h$&$K$J$C(B
$B$F$$$^$9!%%3%s%P!<%8%g%s$NDj5A$O(B CREATE CONVERSION $B$H$$$&(B SQL $B%3%^%s(B
$B%I$r;H$C$F9T$$$^$9!%(B
CREATE [DEFAULT] CONVERSION conversion_name
FOR source_encoding
TO dest_encoding FROM funcname
$B>\:Y$O%j%U%!%l%s%9%^%K%e%"%k$r$4Mw2<$5$$!%(B
$B"#(BSJIS$B%f!<%6Dj5AJ8;z$X$NBP1~(B $B"#(BSJIS$B%f!<%6Dj5AJ8;z$X$NBP1~(B
7.0 $B$+$i(B SJIS$B%f!<%6Dj5AJ8;z(B (UDC) $B$KBP1~$7$F$$$^$9!%(BUDC $B$r$I$&07$&$+(B 7.0 $B$+$i(B SJIS$B%f!<%6Dj5AJ8;z(B (UDC) $B$KBP1~$7$F$$$^$9!%(BUDC $B$r$I$&07$&$+(B
@ -631,6 +674,17 @@ SJIS $B$N%f!<%6Dj5A(B/$B%Y%s%@Dj5AJ8;zNN0h$r(B EUC $B$KJQ49$9$k:]!$H=JLIT(
$B2~DjMzNr!'(B $B2~DjMzNr!'(B
2002/10/21
* $B%^%k%A%P%$%HBP1~$,%*%W%7%g%s$G$O$J$/!$8GDj$GI,$:AH$_9~$^$l$k(B
$B$h$&$K$J$j$^$7$?!%(B
* CREATE CONVERSION/DROP CONVERSION$B$NDI2C!%$3$l$K$H$b$J$$!$%((B
$B%s%3!<%G%#%s%0JQ494X?t$,%m!<%@%V%k4X?t$K$J$j!$%P%C%/%(%s%I$N(B
$B%m!<%I%b%8%e!<%k%5%$%:$,(B7.2$B$h$j$b>.$5$/$J$C$F$$$^$9!%$^$?!$(B
SQL$BI8=`$N(BCONVERT$B4X?t$rDI2C$7$^$7$?!%(B
* $B$$$/$D$+%(%s%3!<%G%#%s%0$,DI2C$5$l$F$$$^$9!%(B
* $B0J>e!$(B7.3$B$KH?1G$5$l$^$9!%(B
2001/10/01 2001/10/01
* CONVERT$B$NDI2C!%(Blpad/rpad/trim/btrim/ltrim/rtrim/translate$B$N(B * CONVERT$B$NDI2C!%(Blpad/rpad/trim/btrim/ltrim/rtrim/translate$B$N(B
$B%^%k%A%P%$%HBP1~DI2C!%(Bchar/varchar$B$G%P%$%H?t$G$O$J$/!$J8;z?t(B $B%^%k%A%P%$%HBP1~DI2C!%(Bchar/varchar$B$G%P%$%H?t$G$O$J$/!$J8;z?t(B