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Diffstat (limited to 'doc/README.mb')
| -rw-r--r-- | doc/README.mb | 58 |
1 files changed, 39 insertions, 19 deletions
diff --git a/doc/README.mb b/doc/README.mb index d6ff7e569b1..80270c136a9 100644 --- a/doc/README.mb +++ b/doc/README.mb @@ -1,4 +1,4 @@ -postgresql 6.3 multi-byte(MB) patch PL2 README Mar 10 1998 +postgresql 6.3 multi-byte (MB) support README April 21 1998 Tatsuo Ishii t-ishii@sra.co.jp @@ -6,13 +6,13 @@ postgresql 6.3 multi-byte(MB) patch PL2 README Mar 10 1998 Introduction -MB patch is intended for allowing PostgreSQL to handle multi-byte -charachter sets such as EUC(Extende Unix Code), Unicode and Mule -internal code. With the MB patch you can use multi-byte character sets -in regexp and LIKE. The encoding system chosen is determined at the -compile time. +The MB support is intended for allowing PostgreSQL to handle +multi-byte character sets such as EUC(Extended Unix Code), Unicode and +Mule internal code. With the MB enabled you can use multi-byte +character sets in regexp ,LIKE and some functions. The encoding system +chosen is determined at the compile time. -The patch also fixes some problems concerning with 8-bit single byte +MB also fixes some problems concerning with 8-bit single byte character sets including ISO8859. (I would not say all of problems have been fixed. I just confirmed that the regression test ran fine and a few French characters could be used with the patch. Please let @@ -20,26 +20,33 @@ me know if you find any problem while using 8-bit characters) How to use -After applying the MB patch, create src/Makefile.custom with a line -including: +create src/Makefile.custom with a line including: -MB=encoding_system + MB=encoding_system + +or run configure with the mb option: + + % configure --with-mb=encoding_system where encoding_system is one of: -EUC_JP Japanese EUC -EUC_CN Chinese EUC -EUC_KR Korean EUC -EUC_TW Taiwan EUC -UNICODE Unicode(UTF-8) -MULE_INTERNAL Mule internal + EUC_JP Japanese EUC + EUC_CN Chinese EUC + EUC_KR Korean EUC + EUC_TW Taiwan EUC + UNICODE Unicode(UTF-8) + MULE_INTERNAL Mule internal Example: -% cat Makefile.custom -MB=EUC_JP + % cat Makefile.custom + MB=EUC_JP + + or -If MB is not defined, nothing is changed except better supporting for + % configure --with-mb=EUC_JP + +If MB is disabled, nothing is changed except better supporting for 8-bit single byte character sets. References @@ -59,6 +66,19 @@ Unicode: http://www.unicode.org/ History +April 21, 1998 some enhancements/fixes + * character_length(), position(), substring() are now aware of + multi-byte characters + * add octet_length() + * add --with-mb option to configure + * new regression tests for EUC_KR + (contributed by "Soonmyung. Hong" <hong@lunaris.hanmesoft.co.kr>) + * add some test cases to the EUC_JP regression test + * fix problem in regress/regress.sh in case of System V + * fix toupper(), tolower() to handle 8bit chars + +Mar 25, 1998 MB PL2 is incorporated into PostgreSQL 6.3.1 + Mar 10, 1998 PL2 released * add regression test for EUC_JP, EUC_CN and MULE_INTERNAL * add an English document (this file) |