From bca9d0cdf4257baec757b91be8a29605118ebcac Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Tue, 21 Aug 2001 00:33:28 +0000 Subject: [PATCH] Add SCM_CREDS to get owner of unix-domain socket on BSD-like systems. --- doc/FAQ_japanese | 1354 ++++++++++++++++++---------------- doc/src/FAQ/FAQ_japanese.html | 229 +++--- src/backend/libpq/auth.c | 34 +- src/backend/libpq/hba.c | 90 ++- src/backend/libpq/pg_hba.conf.sample | 12 +- src/include/libpq/pqcomm.h | 3 +- src/interfaces/libpq/fe-auth.c | 74 +- src/interfaces/odbc/connection.c | 5 + src/interfaces/odbc/connection.h | 1 + 9 files changed, 1019 insertions(+), 783 deletions(-) diff --git a/doc/FAQ_japanese b/doc/FAQ_japanese index 3517bbb5a1..245df7e8bb 100644 --- a/doc/FAQ_japanese +++ b/doc/FAQ_japanese @@ -1,225 +1,195 @@ -PostgreSQL(¥Ý¥¹¥È¥°¥ì¥¹¡¦¥­¥å¡¼¡¦¥¨¥ë)¤Ë¤Ä¤¤¤Æ¤è¤¯¤¢¤ë¼ÁÌä(FAQ) +PostgreSQL(¥Ý¥¹¥È¥°¥ì¥¹¡¦¥­¥å¡¼¡¦¥¨¥ë)¤Ë¤Ä¤¤¤Æ¤è¤¯¤¢¤ë¼ÁÌä¤È¤½¤Î²òÅú(FAQ) -¸¶Ê¸ºÇ½ª¹¹¿·Æü: Mon Apr 9 15:27:47 EDT 2001 +¸¶Ê¸ºÇ½ª¹¹¿·Æü: Tue Jul 10 21:01:47 EDT 2001 ¸½ºß¤Î°Ý»ý´ÉÍý¼Ô: Bruce Momjian (pgman@candle.pha.pa.us) ¤³¤Îʸ½ñ¤ÎºÇ¿·ÈÇ¤Ï http://www.PostgreSQL.org/ ¤Ç¸«¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ -¥×¥é¥Ã¥È¥Û¡¼¥à¤ËÆÃÍ­¤Î¼ÁÌä¤Ë¤Ä¤¤¤Æ¤Ï:http://www.PostgreSQL.org/users-lounge/ -docs/faq.html +¥×¥é¥Ã¥È¥Û¡¼¥à¤ËÆÃÍ­¤Î¼ÁÌä¤Ë¤Ä¤¤¤Æ¤Ï +:http://www.PostgreSQL.org/users-lounge/docs/faq.html ¤Ë²óÅú¤¬¤¢¤ê¤Þ¤¹¡£ +(°Ê²¼¡¢Ìõ¼Ô¤Ë¤è¤ëÃí¼á¤ò [ÌõÃí¡§ ¤È ] ¤È¤Ç°Ï¤ó¤Çµ­¤·¤Þ¤¹¡£) [ÌõÃí¡§ - 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IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR -DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST -PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF -THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH -DAMAGE. +DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING +LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, +EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF +SUCH DAMAGE. -THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, -BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A -PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND -THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, -SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. +THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, +INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND +FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN +"AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO +PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 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"R-Trees: A Dynamic Index Structure for Spatial Searching." Proc of -the 1984 ACM SIGMOD Int'l Conf on Mgmt of Data, 45-57. +Guttman, A. "R-Trees: A Dynamic Index Structure for Spatial Searching." 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+ + WHERE lower(textfield) LIKE lower(pattern) -4.14) Ì䤤¹ç¤ï¤»¤ÎÃæ¤Ç¡¢¥Õ¥£¡¼¥ë¥É¤¬ NULL ¤Ç¤¢¤ë¤³¤È¤ò¸¡½Ð¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤« -¡© +4.14) Ì䤤¹ç¤ï¤»¤ÎÃæ¤Ç¡¢¥Õ¥£¡¼¥ë¥É¤¬ NULL ¤Ç¤¢¤ë¤³¤È¤ò¸¡½Ð¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹ +¤«¡© IS NULL¤Î¥«¥é¥à¤ò IS NOT NULL ¤Ç»î¤·¤Æ¤ß¤Æ²¼¤µ¤¤¡£ @@ -975,186 +966,208 @@ VARCHAR(#) varchar Ĺ TEXT text Ťµ¤ÎÀ©¸Â¤ÏºÇÂç¹ÔŤˤè¤ë BYTEA bytea ²ÄÊÑĹ¤Î¥Ð¥¤¥ÈÇÛÎó -ÆâÉô̾¤Ë¤ªÌܤˤ«¤«¤ë¤Î¤Ï¡¢¥·¥¹¥Æ¥à¡¦¥«¥¿¥í¥°¤òÄ´¤Ù¤ë¤È¤­¤ä¡¢¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤ò -¼õ¤±¼è¤ë¤È¤­¤Ç¤¹¡£ +ÆâÉô̾¤Ë¤ªÌܤˤ«¤«¤ë¤Î¤Ï¡¢¥·¥¹¥Æ¥à¡¦¥«¥¿¥í¥°¤òÄ´¤Ù¤ë¤È¤­¤ä¡¢¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸ +¤ò¼õ¤±¼è¤ë¤È¤­¤Ç¤¹¡£ -¾åµ­¤Î·¿¤Î¤¦¤Á¸å¤Î£´¤Ä¤Î·¿¤Ï "varlena" ·¿¤Ç¤¹(¤¹¤Ê¤ï¤Á¡¢¥Ç¥£¥¹¥¯¤ÎºÇ½é¤Î£´¥Ð¥¤ -¥È¤¬¥Ç¡¼¥¿Ä¹¤Ç¡¢¤½¤ì¤Î¸å¤Ë¼ÂºÝ¤Î¥Ç¡¼¥¿¤¬Â³¤­¤Þ¤¹)¡£¤³¤Î¤è¤¦¤Ë¼ÂºÝ¤Î¶õ´Ö¤ÏÀë¸À¤µ -¤ì¤¿Â礭¤µ¤è¤ê¤â¾¯¤·Â礭¤¯¤Ê¤ê¤Þ¤¹¡£¤·¤«¤·¡¢¤³¤ì¤é¤Î¥Ç¡¼¥¿·¿¤ÏTOAST¤Ë¤è¤ê°µ½Ì¤µ -¤ì¤¿¤êÊ£¿ô¹Ô¤ËÅϤäÆÊݸ¤µ¤ì¤¿¤ê¤·¤Æ¡¢¥Ç¥£¥¹¥¯¾å¤Î¶õ´Ö¤Ï»×¤Ã¤¿¤è¤ê¾®¤µ¤¯¤Ê¤ê¤Þ -¤¹¡£ +¾åµ­¤Î·¿¤Î¤¦¤Á¸å¤Î£´¤Ä¤Î·¿¤Ï "varlena" ·¿¤Ç¤¹(¤¹¤Ê¤ï¤Á¡¢¥Ç¥£¥¹¥¯¤ÎºÇ½é¤Î£´¥Ð +¥¤¥È¤¬¥Ç¡¼¥¿Ä¹¤Ç¡¢¤½¤ì¤Î¸å¤Ë¼ÂºÝ¤Î¥Ç¡¼¥¿¤¬Â³¤­¤Þ¤¹)¡£¤³¤Î¤è¤¦¤Ë¼ÂºÝ¤Î¶õ´Ö¤Ï +Àë¸À¤µ¤ì¤¿Â礭¤µ¤è¤ê¤â¾¯¤·Â礭¤¯¤Ê¤ê¤Þ¤¹¡£¤·¤«¤·¡¢¤³¤ì¤é¤Î¥Ç¡¼¥¿·¿¤ÏTOAST¤Ë +¤è¤ê°µ½Ì¤µ¤ì¤¿¤êÊ£¿ô¹Ô¤ËÅϤäÆÊݸ¤µ¤ì¤¿¤ê¤·¤Æ¡¢¥Ç¥£¥¹¥¯¾å¤Î¶õ´Ö¤Ï»×¤Ã¤¿¤è¤ê +¾®¤µ¤¯¤Ê¤ê¤Þ¤¹¡£ 4.16.1) ÄÌÈÖ(serial)¡¿¼«Æ°Áýʬ¥Õ¥£¡¼¥ë¥É¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡© -PostgreSQL ¤Ï SERIAL ¥Ç¡¼¥¿·¿¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£Îó¾å¤ËÄÌÈ֤ȥ¤¥ó¥Ç¥Ã¥¯¥¹¤ò¼«Æ°ºî -À®¤·¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢ - CREATE TABLE person ( - id SERIAL, - name TEXT +PostgreSQL ¤Ï SERIAL ¥Ç¡¼¥¿·¿¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£Îó¾å¤ËÄÌÈ֤ȥ¤¥ó¥Ç¥Ã¥¯¥¹¤ò¼« +Æ°ºîÀ®¤·¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢ + + CREATE TABLE person ( + id SERIAL, + name TEXT ); + ¤Ï¼«Æ°Åª¤Ë¼¡¤Î¤è¤¦¤ËËÝÌõ¤µ¤ì¤Þ¤¹: + CREATE SEQUENCE person_id_seq; - CREATE TABLE person ( + CREATE TABLE person ( id INT4 NOT NULL DEFAULT nextval('person_id_seq'), - name TEXT + name TEXT ); CREATE UNIQUE INDEX person_id_key ON person ( id ); -ÄÌÈ֤ˤĤ¤¤Æ¤Î¤â¤Ã¤È¾Ü¤·¤¤¾ðÊó¤Ï¡¢¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç create_sequence ¤ò¤´Í÷ -²¼¤µ¤¤¡£ -¤Þ¤¿¡¢³Æ¹Ô¤ÎOID¥Õ¥£¡¼¥ë¥É¤ò°ì°ÕÃͤȤ·¤Æ»È¤¦¤³¤È¤â¤Ç¤­¤Þ¤¹¡£¤·¤«¤·¤Ê¤¬¤é¡¢¤â¤·¤â -¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò¥À¥ó¥×¤·¤Æ¤ê¥í¡¼¥É¤¹¤ëɬÍפ¬¤¢¤ë¾ì¹ç¤Ï¡¢OID¤ò²¹Â¸¤¹¤ë¤¿¤á¤Ë -pg_dump ¤Ç -o¥ª¥×¥·¥ç¥ó¤ò»È¤¦¤«¡¢¤Þ¤¿¤Ï¡¢COPY WITH OIDS¥ª¥×¥·¥ç¥ó¤ò»È¤¦É¬Íפ¬¤¢ -¤ê¤Þ¤¹¡£ Bruce Momjian ¤Î(http://www.PostgreSQL.org/docs/aw_pgsql_book)¤Î -Numbering Rows¤Î¾Ï¤Ë¤¢¤ê¤¢¤Þ¤¹¡£ +ÄÌÈ֤ˤĤ¤¤Æ¤Î¤â¤Ã¤È¾Ü¤·¤¤¾ðÊó¤Ï¡¢¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç create_sequence ¤ò +¤´Í÷²¼¤µ¤¤¡£ + +¤Þ¤¿¡¢³Æ¹Ô¤ÎOID¥Õ¥£¡¼¥ë¥É¤ò°ì°ÕÃͤȤ·¤Æ»È¤¦¤³¤È¤â¤Ç¤­¤Þ¤¹¡£¤·¤«¤·¤Ê¤¬¤é¡¢¤â +¤·¤â¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò¥À¥ó¥×¤·¤Æ¤ê¥í¡¼¥É¤¹¤ëɬÍפ¬¤¢¤ë¾ì¹ç¤Ï¡¢OID¤ò²¹Â¸¤¹¤ë¤¿¤á +¤Ëpg_dump ¤Ç -o¥ª¥×¥·¥ç¥ó¤ò»È¤¦¤«¡¢¤Þ¤¿¤Ï¡¢COPY WITH OIDS¥ª¥×¥·¥ç¥ó¤ò»È¤¦É¬ +Íפ¬¤¢¤ê¤Þ¤¹¡£ Bruce Momjian ¤Î +(http://www.PostgreSQL.org/docs/aw_pgsql_book)¤Î Numbering Rows¤Î¾Ï¤Ë¤¢¤ê¤¢ +¤Þ¤¹¡£ -4.16.2) SERIAL¥¤¥ó¥µ¡¼¥È¤ÎÃͤϤɤ¦¤¹¤ì¤ÐÆÀ¤é¤ì¤Þ¤¹¤«¡© +4.16.2) SERIAL¥Ç¡¼¥¿·¿¤ËÁÞÆþ¤µ¤ì¤ëÃͤϡ¢¤É¤¦¤¹¤ì¤ÐÆÀ¤é¤ì¤Þ¤¹¤«¡© + +¤Ò¤È¤Ä¤ÎÊýË¡¤Ï¡¢nextval() ´Ø¿ô¤ò»È¤Ã¤Æ¤½¤ÎÃͤòÁÞÆþ¤¹¤ëÁ°(before)¤Ë SEQUENCE +¥ª¥Ö¥¸¥§¥¯¥È¤«¤é¼¡¤Î SERIAL Ãͤò¼è¤ê½Ð¤·¡¢¤½¤ì¤«¤é¼ÂºÝ¤ËÁÞÆþ¤ò¤¹¤ë¤³¤È¤Ç¤¹¡£ +4.16.1 ¤ÎÎã¤Ç»È¤Ã¤¿¥Æ¡¼¥Ö¥ë¤ò»È¤¦¤È¤¹¤ë¤È¡¢¼¡¤Î¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ -¤Ò¤È¤Ä¤ÎÊýË¡¤Ï¡¢nextval() ´Ø¿ô¤ÇÁÞÆþ¤¹¤ëÁ°¤Ë(before) SEQUENCE¥ª¥Ö¥¸¥§¥¯¥È¤«¤é¼¡ -¤ÎSERIALÃͤò¼è¤ê½Ð¤·¡¢¤½¤ì¤«¤é¼ÂºÝ¤ËÁÞÆþ¤ò¤¹¤ë¤³¤È¤Ç¤·¤ç¤¦¡£ 4.16.1¤ÎÎã¤Ç»È¤Ã¤¿ -¥Æ¡¼¥Ö¥ë¤ò»È¤¦¤È¤¹¤ë¤È¡¢¼¡¤Î¤è¤¦¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£ $newSerialID = nextval('person_id_seq'); 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-PostgreSQL(¥Ý¥¹¥È¥°¥ì¥¹¡¦¥­¥å¡¼¡¦¥¨¥ë)¤Ë¤Ä¤¤¤Æ¤è¤¯¤¢¤ë¼ÁÌä(FAQ)

+PostgreSQL(¥Ý¥¹¥È¥°¥ì¥¹¡¦¥­¥å¡¼¡¦¥¨¥ë)¤Ë¤Ä¤¤¤Æ¤è¤¯¤¢¤ë¼ÁÌä¤È¤½¤Î²òÅú(FAQ)

-¸¶Ê¸ºÇ½ª¹¹¿·Æü: Mon Apr 9 15:27:47 EDT 2001 +¸¶Ê¸ºÇ½ª¹¹¿·Æü: Tue Jul 10 21:01:47 EDT 2001

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@@ -24,48 +24,15 @@ HREF="mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us)

+(°Ê²¼¡¢Ìõ¼Ô¤Ë¤è¤ëÃí¼á¤ò [ÌõÃí¡§ ¤È ] ¤È¤Ç°Ï¤ó¤Çµ­¤·¤Þ¤¹¡£)
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-	  http://www.PostgreSQL.org/ ¤Ë¥¢¥¯¥»¥¹¤¹¤ë¤È http://postgresql.nucba.ac.jp/
-¤Ë¥ê¥À¥¤¥ì¥¯¥È¤µ¤ì¡¢"Not Found" ¤Ë¤Ê¤Ã¤Æ¤·¤Þ¤¦¤³¤È¤¬¤¢¤ê¤Þ¤¹¡£¤½¤Î¾ì¹ç¤Ï¡¢
-		http://www.PostgreSQL.org/index.html
-	¤Ë¥¢¥¯¥»¥¹¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡£
+	ÆüËܸìÈǤΤ³¤Îʸ½ñ¤Ï "User's Lounge" ¤Î "Collection of FAQs" ¤Î
+	"Japanese" ¤È¤¤¤¦¸«½Ð¤·¤Î¤È¤³¤í¤Ë¤¢¤ê¤Þ¤¹¡£
+	(http://www.PostgreSQL.org/docs/faq-japanese.html)
 
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-  ºÇ½ª¹¹¿·Æü:	2001ǯ04·î15Æü
-  ËÝÌõ¼Ô:	·¬Â¼ ½á (Jun Kuwamura <juk@jp.postgresql.org>)
-
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-
-		ÅÄÃç Ì­(Minoru Tanaka <Tanaka.Minoru@keiken.co.jp>)
-		Àаæ ãÉ×(Tatsuo Ishii <t-ishii@sra.co.jp>)
-		óîÆ£ ÃοÍ(Tomohito Saitoh <tomos@elelab.nsc.co.jp>)
-		ÇÏ¾ì  È¥(Hajime Baba <baba@kusastro.kyoto-u.ac.jp>)
-		²¬ËÜ °ì¹¬(Kazuyuki Okamoto <kokamoto@itg.hitachi.co.jp>)
-		¾®¿û ¾¼°ì(Shoichi Kosuge <s-kosuge@str.hitachi.co.jp>)
-		»³²¼ µÁÇ·(Yoshiyuki Yamashita <dica@eurus.dti.ne.jp>)
-		¶­ ¿¿ÂÀϺ(Sintaro Sakai <s_sakai@mxn.mesh.ne.jp>)
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     LIKE ¤¢¤ë¤¤¤Ï ~ ¤Î¤è¤¦¤Ê¥ï¥¤¥ë¥É¥«¡¼¥É±é»»»Ò(wild-card  operators)¤ò»È¤¦¤È¤­¡¢¸¡º÷¤Î³«»Ï¤¬Ê¸»úÎó¤Î»Ï¤á¤ÎÉôʬ¤Ë¸ÇÄꤵ¤ì¤Æ¤¤¤ë¤È¤­¤Ë¤Î¤ß¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬»È¤ï¤ì¤Þ¤¹¡£
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@@ -962,13 +932,31 @@ Proc of the 1984 ACM SIGMOD Int'l Conf on Mgmt of Data, 45-57.
 
     GEQO ¥â¥¸¥å¡¼¥ë¤Ï¡¢Âô»³¤Î¥Æ¡¼¥Ö¥ë¤ò·ë¹ç¤¹¤ë¤È¤­¤Ë¡¢°äÅÁŪ¥¢¥ë¥´¥ê¥º¥à(GA)¤ÇÌä¹ç¤ï¤»¤ò¹â®²½¤·¤Þ¤¹¡£¤³¤ì¤Ë¤è¤ê¡¢¤·¤é¤ß¤Ä¤Ö¤·¤Ëõº÷¤ò¹Ô¤Ê¤ï¤Ê¤¯¤Æ¤â¡¢Â礭¤Ê·ë¹ç(join queries)¤ò°·¤¦¤³¤È¤¬¤Ç¤­¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£
 
 
    
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    4.13)	Àµµ¬É½¸½¤Ç¤Î¸¡º÷¤äÂçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤Àµµ¬É½¸½¸¡º÷¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«¡©
+
    4.13)	Àµµ¬É½¸½¤Ç¤Î¸¡º÷¤äÂçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤Àµµ¬É½¸½¸¡º÷¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«¡©Âçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤¸¡º÷¤Î¤¿¤á¤Î¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¤É¤Î¤è¤¦¤Ë»È¤¤¤Þ¤¹¤«¡©
 
    
 
 
    
 ~±é»»»Ò¤ÏÀµµ¬É½¸½¾È¹ç¤ò¹Ô¤Ê¤¤¡¢~* ¤ÏÂçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤(case-insensitive)Àµµ¬É½¸½¾È¹ç¤ò¹Ô¤¤¤Þ¤¹¡£ PostgreSQL 7.1 °Ê¹ß¤Ç¤Ï¡¢Âçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤ LIKE ±é»»»Ò¤ò ILIKE ¤È¤¤¤¤¤Þ¤¹¡£
 
 
+
    Âçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤ÅùÃÍÈæ³Ó¼¡¤Î¤è¤¦¤Ëɽ¸½¤Ç¤­¤ë¡§
+   
+    
    +    SELECT *
+    FROM tab
+    WHERE lower(col) = 'abc'
+    
    
+
+ɸ½à¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤Ï»È¤ï¤ì¤º¡¢¤·¤«¤·¤Ê¤¬¤é¡¢¤â¤·´Ø¿ô¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò
+ºî¤Ã¤¿¤Ê¤é¤½¤ì¤¬»È¤ï¤ì¤ë¤Ç¤·¤ç¤¦¡£
+
+   
    +   CREATE INDEX tabindex on tab (lower(col));
+   
    
+
+
+
+
 
     	WHERE lower(textfield) LIKE lower(pattern)
 
    
@@ -1026,18 +1014,16 @@ BYTEA           bytea           
  Bruce Momjian ¤Î(http://www.PostgreSQL.org/docs/aw_pgsql_book)¤Î Numbering Rows¤Î¾Ï¤Ë¤¢¤ê¤¢¤Þ¤¹¡£
 
 
-
    4.16.2)	SERIAL¥¤¥ó¥µ¡¼¥È¤ÎÃͤϤɤ¦¤¹¤ì¤ÐÆÀ¤é¤ì¤Þ¤¹¤«¡©
+
    4.16.2)	SERIAL¥Ç¡¼¥¿·¿¤ËÁÞÆþ¤µ¤ì¤ëÃͤϡ¢¤É¤¦¤¹¤ì¤ÐÆÀ¤é¤ì¤Þ¤¹¤«¡©
 
    
-
- ¤Ò¤È¤Ä¤ÎÊýË¡¤Ï¡¢nextval() ´Ø¿ô¤ÇÁÞÆþ¤¹¤ëÁ°¤Ë(before) SEQUENCE¥ª¥Ö¥¸¥§¥¯¥È¤«¤é¼¡¤ÎSERIALÃͤò¼è¤ê½Ð¤·¡¢¤½¤ì¤«¤é¼ÂºÝ¤ËÁÞÆþ¤ò¤¹¤ë¤³¤È¤Ç¤·¤ç¤¦¡£
-4.16.1¤ÎÎã¤Ç»È¤Ã¤¿¥Æ¡¼¥Ö¥ë¤ò»È¤¦¤È¤¹¤ë¤È¡¢¼¡¤Î¤è¤¦¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£
+  ¤Ò¤È¤Ä¤ÎÊýË¡¤Ï¡¢nextval() ´Ø¿ô¤ò»È¤Ã¤Æ¤½¤ÎÃͤòÁÞÆþ¤¹¤ëÁ°(before)¤Ë SEQUENCE ¥ª¥Ö¥¸¥§¥¯¥È¤«¤é¼¡¤Î SERIAL Ãͤò¼è¤ê½Ð¤·¡¢¤½¤ì¤«¤é¼ÂºÝ¤ËÁÞÆþ¤ò¤¹¤ë¤³¤È¤Ç¤¹¡£ 4.16.1 ¤ÎÎã¤Ç»È¤Ã¤¿¥Æ¡¼¥Ö¥ë¤ò»È¤¦¤È¤¹¤ë¤È¡¢¼¡¤Î¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£
 
 
     	$newSerialID = nextval('person_id_seq');
 	INSERT INTO person (id, name) VALUES ($newSerialID, 'Blaise Pascal');
 
    
 
-¤½¤¦¤·¤Æ¡¢$newSerialID ¤ËÊݸ¤·¤¿¿·¤·¤¤Ãͤò¾¤ÎÌ䤤¹ç¤ï¤»¤Ë(¤¿¤È¤¨¤Ð¡¢person ¥Æ¡¼¥Ö¥ë¤ËÂФ¹¤ë³°Éô¸°(foreign key)¤Î¤è¤¦¤Ë)»È¤¦¤È¤è¤¤¤Ç¤·¤ç¤¦¡£¼«Æ°Åª¤Ëºî¤é¤ì¤¿SEQUENCE¥ª¥Ö¥¸¥§¥¯¥È¤Î̾Á°¤Ï¡¢<table>_<serialcolumn>_seq ¤Î¤è¤¦¤Ë¤Ê¤ê¡¢¤³¤Î¤¦¤Á¡¢table ¤È serialcolumn ¤Ï¤½¤ì¤¾¤ì¥Æ¡¼¥Ö¥ë¤Î̾Á°¤ÈSERIALÎó¤Î̾Á°¤Ç¤¹¡£
+¤½¤¦¤·¤Æ¡¢$newSerialID ¤ËÊݸ¤·¤¿¿·¤·¤¤Ãͤò¾¤ÎÌ䤤¹ç¤ï¤»¤Ë(¤¿¤È¤¨¤Ð¡¢person ¥Æ¡¼¥Ö¥ë¤ËÂФ¹¤ë³°Éô¥­¡¼(foreign key)¤Î¤è¤¦¤Ë)»È¤¦¤È¤è¤¤¤Ç¤·¤ç¤¦¡£¼«Æ°Åª¤Ëºî¤é¤ì¤¿SEQUENCE¥ª¥Ö¥¸¥§¥¯¥È¤Î̾Á°¤Ï¡¢<table>_<serialcolumn>_seq ¤Î¤è¤¦¤Ë¤Ê¤ê¡¢¤³¤Î¤¦¤Á¡¢table ¤È serialcolumn ¤Ï¤½¤ì¤¾¤ì¥Æ¡¼¥Ö¥ë¤Î̾Á°¤ÈSERIALÎó¤Î̾Á°¤Ç¤¹¡£
 
    
 
 ¤¢¤ë¤¤¤Ï¡¢Í¿¤¨¤é¤ì¤¿SERIALÃͤò¡¢¤½¤ì¤¬´ûÄêÃͤȤ·¤ÆÁÞÆþ¤µ¤ì¤¿¸å¤Ç(after)¡¢ currval() ´Ø¿ô¤ò»È¤Ã¤Æ¼è¤ê½Ð¤¹¤³¤È¤â¤Ç¤­¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢
@@ -1047,27 +1033,29 @@ BYTEA           bytea           
 	$newID = currval('person_id_seq');
    -ºÇ¸å¤Ë¡¢INSERTʸ¤«¤éÊÖ¤ëOID¤ò»È¤Ã¤Æ¡¢´ûÄêÃͤò¤ß¤Ä¤±¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¤¬¡¢¤·¤«¤·¡¢¤³¤ì¤ÏºÇ¤â°Ü¿¢À­¤ÎÄ㤤¤ä¤êÊý¤Ç¤·¤ç¤¦¡£Perl¤ÎDBI¤Ç Edmund Mergl ¤Î DBD::Pg ¥â¥¸¥å¡¼¥ë¤ò»È¤¨¤Ð¡¢$sth->execute() ¤Î¸å¤Ë $sth->{pg_oid_status} ¤ò·Ðͳ¤·¤Æ¤½¤Î OID Ãͤò»È¤¨¤ë¤è¤¦¤Ë¤¹¤ë¤³¤È¤Ï¤Ç¤­¤Þ¤¹¡£ +ºÇ¸å¤Ë¡¢INSERTʸ¤«¤éÊÖ¤ëOID¤ò»È¤Ã¤Æ¡¢´ûÄêÃͤò¤ß¤Ä¤±¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¤¬¡¢¤·¤«¤·¡¢¤³¤ì¤ÏºÇ¤â°Ü¿¢À­¤ÎÄ㤤¤ä¤êÊý¤Ç¤·¤ç¤¦¡£Perl¤ÎDBI¤Ç Edmund Mergl ¤Îºî¤Ã¤¿ DBD::Pg ¥â¥¸¥å¡¼¥ë¤ò»È¤¨¤Ð¡¢$sth->execute() ¤Î¸å¤Ë $sth->{pg_oid_status} ¤ò·Ðͳ¤·¤Æ¤½¤Î OID Ãͤò»È¤¨¤ë¤è¤¦¤Ë¤¹¤ë¤³¤È¤Ï¤Ç¤­¤Þ¤¹¡£

    4.16.3) ¾¤Î¥æ¡¼¥¶¤È¤Î¶¥¹ç¾õÂÖ¤òÈò¤±¤ë¤¿¤á¤Ë¤Ï¡¢currval() ¤È nextval() ¤Ï»È¤ï¤Ê¤¤¤Û¤¦¤¬¤è¤¤¤Î¤Ç¤·¤ç¤¦¤«¡©

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    4.17) OID ¤È¤Ï²¿¤Ç¤¹¤«¡© TID ¤È¤Ï²¿¤Ç¤¹¤«¡©

    -

    OID ¤È¤Ï°ì°Õ¤Î¹Ô ID ¤ËÂФ¹¤ë PostgreSQL ¤ÎÅú¤¨¤Ç¤¹¡£PostgreSQL ¤ÎÃæ¤Ç¤Ä¤¯¤é¤ì¤ë¤¹¤Ù¤Æ¤Î¹Ô¤Ï°ì°Õ¤Î OID ¤òÆÀ¤Þ¤¹¡£initdb ¤Ç(backend/access/transam.h ¤«¤é)ȯÀ¸¤µ¤ì¤ë OID ¤Ï¤¹¤Ù¤Æ 16384¤è¤ê¾®¤µ¤ÊÃͤǤ¹¡£initdb ¸å¤Î¤¹¤Ù¤Æ¤Î OID (¥æ¡¼¥¶ºîÀ®)¤Ï¤½¤ì°Ê¾å¤ÎÃͤˤʤê¤Þ¤¹¡£´ûÄê¤Ç¤Ï¡¢¤³¤ì¤é¤¹¤Ù¤Æ¤Î OID ¤Ï¥Æ¡¼¥Ö¥ëÆâ¤ä¥Ç¡¼¥¿¥Ù¡¼¥¹Æâ¤Ëα¤Þ¤é¤º¡¢PostgreSQL ¤Î¤½¤Î¥¤¥ó¥¹¥È¥ì¡¼¥·¥ç¥óÁ´ÂÎÆâ¤Ç°ì°Õ¤Ç¤¢¤ê¤Þ¤¹¡£ +

    OID ¤È¤Ï°ì°Õ¤Î¹Ô ID ¤ËÂФ¹¤ë PostgreSQL ¤ÎÅú¤¨¤Ç¤¹¡£PostgreSQL ¤ÎÃæ¤Ç¤Ä¤¯¤é¤ì¤ë¤¹¤Ù¤Æ¤Î¹Ô¤Ï°ì°Õ¤Î OID ¤òÆÀ¤Þ¤¹¡£initdb ¤ÇȯÀ¸¤µ¤ì¤ë OID ¤Ï¤¹¤Ù¤Æ 16384 (backend/access/transam.h ¤«¤é)¤è¤ê¾®¤µ¤ÊÃͤǤ¹¡£initdb ¸å¤Î¤¹¤Ù¤Æ¤Î OID (¥æ¡¼¥¶ºîÀ®)¤Ï¤½¤ì°Ê¾å¤ÎÃͤˤʤê¤Þ¤¹¡£ +´ûÄê¤Ç¤Ï¡¢¤³¤ì¤é¤¹¤Ù¤Æ¤Î OID¤Ï°ì¤Ä¤Î¥Ç¡¼¥Ö¥ë¤ä¥Ç¡¼¥¿¥Ù¡¼¥¹Æâ¤Ëα¤Þ¤é¤º¡¢PostgreSQL ¥¤¥ó¥¹¥È¥ì¡¼¥·¥ç¥óÁ´ÂΤÎÃæ¤Ç°ì°Õ¤Ç¤¹¡£

    PostgreSQL ¤Ï¥Æ¡¼¥Ö¥ë´Ö¤Î¹Ô¤ò·ë¤Ó¤Ä¤±¤ë¤¿¤á¤Ë¡¢¤½¤Î¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ëÆâ¤Ë OID ¤ò»È¤¤¤Þ¤¹¡£¤³¤Î OID ¤ÏÆÃÄê¤Î¥æ¡¼¥¶¤Î¹Ô¤ò¼±Ê̤¹¤ë¤¿¤á¤ä·ë¹ç¤ÎÃæ¤Ç»È¤ï¤ì¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£OID ¤ÎÃͤòÊݸ¤¹¤ë¤¿¤á¤Ë¤Ï OID ·¿¤òÎó¤Ë»È¤¦¤³¤È¤ò¾©¤á¤Þ¤¹¡£¤è¤ê®¤¯¥¢¥¯¥»¥¹¤¹¤ë¤¿¤á¤Ë OID ¥Õ¥£¡¼¥ë¥É¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤òºî¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ -

    OID ¤Ï¡¢Á´¤Æ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤«¤é»È¤ï¤ì¤ëÃæ±ûÎΰ褫¤é¡¢Á´¤Æ¤Î¿·¤·¤¤¹Ô¤Ë³ä¤êÅö¤Æ¤é¤ì¤Þ¤¹¡£OID ¤ò¾¤Î²¿¤«¤ËÊѤ¨¤¿¤¤¡¢¤â¤·¤¯¤Ï¸µ¤Î OID ¤Ç¥Æ¡¼¥Ö¥ë¤ò¥³¥Ô¡¼¤·¤¿¤¤¤Î¤Ê¤é¡¢¤½¤¦¤Ç¤­¤Ê¤¤Íýͳ¤Ï¤¢¤ê¤Þ¤»¤ó¡£ + OID ¤Ï¡¢Á´¤Æ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤Ç»È¤ï¤ì¤ëÃæ±ûÎΰ褫¤é¡¢Á´¤Æ¤Î¿·¤·¤¤¹Ô¤Ë³ä¤êÅö¤Æ¤é¤ì¤Þ¤¹¡£OID ¤ò¾¤Î²¿¤«¤ËÊѤ¨¤¿¤¤¡¢¤¢¤ë¤¤¤Ï¸µ¤Î OID ¤â¥Æ¡¼¥Ö¥ë¤È°ì½ï¤Ë¥³¥Ô¡¼¤·¤¿¤¤¤Î¤Ê¤é¡¢¤Ç¤­¤Ê¤¯¤Ï¤¢¤ê¤Þ¤»¤ó¡£ + 

    -        CREATE TABLE new_table(old_oid oid, mycol int);
+        CREATE TABLE new (old_oid oid, mycol int);
         SELECT old_oid, mycol INTO new FROM old;
         COPY new TO '/tmp/pgtable';
         DELETE FROM new;
@@ -1108,9 +1096,9 @@ http://www.comptechnews.com/~reaster/dbdesign.html
 
    4.19) ¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸ "ERROR: Memory exhausted in AllocSetAlloc()"¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©
 
    
 
    
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-¥«¡¼¥Í¥ë¤¬¤¢¤ë¥ê¥½¡¼¥¹¤Ë¤Ä¤¤¤ÆÄ㤤À©¸ÂÃͤò»ý¤Ã¤Æ¤¤¤ë²ÄǽÀ­¤¬¤¢¤ê¤Þ¤¹¡£
-postmaster ¤ò³«»Ï¤¹¤ëÁ°¤Ë¤³¤ì¤ò»î¤·¤Æ¤ß¤Æ²¼¤µ¤¤¡§
+¤â¤·¡¢7.1 ¤è¤ê¤â¸Å¤¤¥Ð¡¼¥¸¥ç¥ó¤ò¤ª»È¤¤¤Î¾ì¹ç¤Ï¡¢¥¢¥Ã¥×¥Ç¡¼¥È¤Ë¤è¤Ã¤Æ¤³¤ÎÌäÂê¤ò
+²ò·è¤Ç¤­¤ë¤Ç¤·¤ç¤¦¡£¤½¤ì¤È¡¢¥·¥¹¥Æ¥à¤Î²¾ÁÛ¥á¥â¥ê¡¼¤òÁ´¤Æ»È¤¤²Ì¤¿¤·¤Æ¤·¤Þ¤Ã¤Æ¤¤¤ë²ÄǽÀ­¤¬¤¢¤ë¤«¡¢¥«¡¼¥Í¥ë¤¬¤¢¤ë¥ê¥½¡¼¥¹¤Ë¤Ä¤¤¤Æ¤â¤ÄÀ©¸ÂÃͤ¬Ä㤹¤®¤ë²ÄǽÀ­¤¬¤¢¤ê¤Þ¤¹¡£
+postmaster ¤ò»ÏÆ°¤¹¤ëÁ°¤Ë¤³¤ì¤ò»î¤·¤Æ¤ß¤Æ²¼¤µ¤¤¡§
 
 
     	ulimit -d 262144
@@ -1202,11 +1190,11 @@ PostgreSQL 7.1 
 
    5.1)	¼«Ê¬¤Ç½ñ¤¤¤¿¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤ò psql ¤ÎÃæ¤Ç¼Â¹Ô¤¹¤ë¤È¥³¥¢¡¦¥À¥ó¥×¤·¤Æ¤·¤Þ¤¦¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©
 
    
 
-
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+
     ÌäÂê¤Ï¿§¡¹¤È¹Í¤¨¤é¤ì¤Þ¤¹¤¬¡¢¤Þ¤ººÇ½é¤Ë¡¢ºîÀ®¤·¤¿¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤òñÆȤΥƥ¹¥È¥×¥í¥°¥é¥à¤Ë¤·¤Æ»î¤·¤Æ¤ß¤Æ²¼¤µ¤¤¡£
 
 
 
    
-
    5.2)	PostgreSQL ÍѤ˽ñ¤¤¤¿¿è¤Ê¿·¤·¤¤·¿¤ä´Ø¿ô¤Ï¡¢¤É¤¦¤¹¤ì¤Ð´ó£¤Ç¤­¤Þ¤¹¤«¡©
+
    5.2)	PostgreSQL ÍѤ˽ñ¤¤¤¿¤Á¤ç¤Ã¤ÈÁÇŨ¤Ê¿·¤·¤¤·¿¤ä´Ø¿ô¤òÄ󶡤·¤Æ¥×¥í¥¸¥§¥¯¥È¤Ë¹×¸¥¤·¤¿¤¤¤Î¤Ç¤¹¤¬¡©
 
    
 
 
     ³§¤µ¤ó¤Î¹Ô¤Ê¤Ã¤¿³ÈÄ¥¤ò¡¢pgsql-hackers ¥á¡¼¥ê¥ó¥°¡¦¥ê¥¹¥È¤ËÁ÷¤Ã¤Æ¤¯¤À¤µ¤¤¡£¤½¤·¤Æ¡¢¤æ¤¯¤æ¤¯¤Ï¤½¤¦¤·¤¿³ÈÄ¥¤¬ contrib/ ¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¤ÎÃæ¤ËÆþ¤ë¤³¤È¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£
@@ -1227,6 +1215,39 @@ PostgreSQL 7.1 
 
 
     [ÌõÃí¡§
+  ÆüËܸìÈǤÎÀ½ºî¤Ë¤Ä¤¤¤Æ¤Ï°Ê²¼¤ÎÄ̤ê¤Ç¤¹¡£
+
+  ºÇ½ª¹¹¿·Æü:	2001ǯ07·î05Æü
+  ËÝÌõ¼Ô:	·¬Â¼ ½á (Jun Kuwamura <juk@jp.postgresql.org>)
+
+  ¤³¤ÎFAQ¤ÎÏÂÌõ¤ÎºîÀ®¤Ë¤¢¤¿¤ê¶¨ÎϤò¤·¤Æ¤¯¤À¤µ¤Ã¤¿Êý¡¹(·É¾Î¤Ïά¤µ¤»¤Æ¤¤¤¿¤À¤­¤Þ¤¹):
+
+		ÅÄÃç Ì­(Minoru Tanaka <Tanaka.Minoru@keiken.co.jp>)
+		Àаæ ãÉ×(Tatsuo Ishii <t-ishii@sra.co.jp>)
+		óîÆ£ ÃοÍ(Tomohito Saitoh <tomos@elelab.nsc.co.jp>)
+		ÇÏ¾ì  È¥(Hajime Baba <baba@kusastro.kyoto-u.ac.jp>)
+		²¬ËÜ °ì¹¬(Kazuyuki Okamoto <kokamoto@itg.hitachi.co.jp>)
+		¾®¿û ¾¼°ì(Shoichi Kosuge <s-kosuge@str.hitachi.co.jp>)
+		»³²¼ µÁÇ·(Yoshiyuki Yamashita <dica@eurus.dti.ne.jp>)
+		¶­ ¿¿ÂÀϺ(Sintaro Sakai <s_sakai@mxn.mesh.ne.jp>)
+		À¸±Û ¾»¸Ê(Masami Ogoshi <ogochan@zetabits.com>)
+		ÀÐÀî ½Ó¹Ô(Toshiyuki Ishikawa <tosiyuki@gol.com>)
+		ËÜÅÄ Ìй­(Shigehiro Honda <fwif0083@mb.infoweb.ne.jp>)
+		¤»¤» ¤¸¤å¤ó(Jun Sese <sesejun@linet.gr.jp>)
+		¿Àë ±Ñ¹§(Hidetaka Kamiya <hkamiya@catvmics.ne.jp>)
+
+  ¤ò¤Ï¤¸¤á¡¢¥Ý¥¹¥È¥°¥ì¥¹¤Ë´Ø¤¹¤ëÏÃÂêË­ÉÙ¤ÊÆüËܸì¥Ý¥¹¥È¥°¥ì¥¹¡¦¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¡¢
+  ÏÂÌõ¤Î¤­¤Ã¤«¤±¤òºî¤Ã¤Æ¤¯¤ì¤¿ JF(Linux Japanese FAQ Mailing List)¥×¥í¥¸¥§¥¯¥È¡¢¤½¤Î¾¡¢
+  ľÀܤ¢¤ë¤¤¤Ï´ÖÀÜŪ¤Ë¤«¤«¤ï¤Ã¤Æ¤¤¤ë¤¹¤Ù¤Æ¤Î¥ª¡¼¥×¥ó¥½¡¼¥¹¥³¥ß¥å¥Ë¥Æ¥£¡¼¤Î
+  ³§¤µ¤ó¤Ë´¶¼Õ¤·¤Þ¤¹¡£
+
+
+  ÆüËܸìÈǤΤ³¤Îʸ½ñ¤Ï¡¢°Ê²¼¤«¤é¤â¤¿¤É¤ì¤Þ¤¹¡£
+	http://www.rccm.co.jp/~juk/pgsql/(FAQÏÂÌõ PostgreSQL ¤Ë¤Ä¤¤¤Æ¤è¤¯¤¢¤ë¼ÁÌä)
+	http://www.linux.or.jp/JF/(PostgreSQL-FAQ.j)
+	http://www.sra.co.jp/people/t-ishii/PostgreSQL/doc-jp/
+
+  ¤Ê¤ª¡¢¤³¤ÎÏÂÌõ¤Ë´Ø¤¹¤ë¤´°Õ¸«¤Ï(juk@jp.postgresql.org)¤Þ¤Ç¤ª´ó¤»²¼¤µ¤¤¡£
 ]
 
    
 
diff --git a/src/backend/libpq/auth.c b/src/backend/libpq/auth.c
index 42078e2983..682eede37b 100644
--- a/src/backend/libpq/auth.c
+++ b/src/backend/libpq/auth.c
@@ -8,17 +8,22 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/libpq/auth.c,v 1.62 2001/08/17 15:44:17 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/libpq/auth.c,v 1.63 2001/08/21 00:33:27 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
 
 #include "postgres.h"
 
-#include 			/* needed by in.h on Ultrix */
+#include 
+#include 			/* for SCM_CREDS */
+#ifdef SCM_CREDS
+#include 			/* for struct iovec */
+#include 
+#include 
+#endif
 #include 
 #include 
-
 #include "libpq/auth.h"
 #include "libpq/crypt.h"
 #include "libpq/hba.h"
@@ -28,12 +33,10 @@
 #include "miscadmin.h"
 
 static void sendAuthRequest(Port *port, AuthRequest areq);
-
 static int	checkPassword(Port *port, char *user, char *password);
 static int	old_be_recvauth(Port *port);
 static int	map_old_to_new(Port *port, UserAuth old, int status);
 static void auth_failed(Port *port);
-
 static int	recv_and_check_password_packet(Port *port);
 static int	recv_and_check_passwordv0(Port *port);
 
@@ -493,6 +496,26 @@ ClientAuthentication(Port *port)
 			break;
 
 		case uaIdent:
+#if !defined(SO_PEERCRED) && defined(SCM_CREDS)
+			/*
+			 *	If we are doing ident on unix-domain sockets,
+			 *	use SCM_CREDS only if it is defined and SO_PEERCRED isn't.
+			 */
+#ifdef fc_uid
+			/* Receive credentials on next message receipt, BSD/OS */
+			{
+				int on = 1;
+				if (setsockopt(port->sock, 0, LOCAL_CREDS, &on, sizeof(on)) < 0)
+				{
+					elog(FATAL,
+						 "pg_local_sendauth: can't do setsockopt: %s\n", strerror(errno));
+					return;
+				}
+			}
+#endif
+			if (port->raddr.sa.sa_family ==	AF_UNIX)
+				sendAuthRequest(port, AUTH_REQ_SCM_CREDS);
+#endif
 			status = authident(port);
 			break;
 
@@ -676,3 +699,4 @@ map_old_to_new(Port *port, UserAuth old, int status)
 
 	return status;
 }
+
diff --git a/src/backend/libpq/hba.c b/src/backend/libpq/hba.c
index cfafa712e1..26a56e567c 100644
--- a/src/backend/libpq/hba.c
+++ b/src/backend/libpq/hba.c
@@ -10,7 +10,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/libpq/hba.c,v 1.64 2001/08/16 16:24:15 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/libpq/hba.c,v 1.65 2001/08/21 00:33:27 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -18,9 +18,13 @@
 
 #include 
 #include 
-#include 
 #include 
-#include 
+#include 
+#include 			/* for SCM_CREDS */
+#ifdef SCM_CREDS
+#include 			/* for struct iovec */
+#include 
+#endif
 #include 
 #include 
 #include 
@@ -876,39 +880,103 @@ ident_unix(int sock, char *ident_user)
 	{
 		/* We didn't get a valid credentials struct. */
 		snprintf(PQerrormsg, PQERRORMSG_LENGTH,
-				 "Could not get valid credentials from the UNIX socket: %s\n",
+				 "ident_unix: error receiving credentials: %s\n",
 				 strerror(errno));
 		fputs(PQerrormsg, stderr);
 		pqdebug("%s", PQerrormsg);
 		return false;
 	}
 
-	/* Convert UID to user login name */
 	pass = getpwuid(peercred.uid);
 
 	if (pass == NULL)
 	{
-		/* Error - no username with the given uid */
 		snprintf(PQerrormsg, PQERRORMSG_LENGTH,
-				 "There is no entry in /etc/passwd with the socket's uid\n");
+			 "ident_unix: unknown local user with uid %d\n",
 		fputs(PQerrormsg, stderr);
 		pqdebug("%s", PQerrormsg);
 		return false;
 	}
 
-	StrNCpy(ident_user, pass->pw_name, IDENT_USERNAME_MAX);
+	StrNCpy(ident_user, pass->pw_name, IDENT_USERNAME_MAX+1);
 
 	return true;
 
-#else /* not SO_PEERCRED */
+#elif defined(SCM_CREDS)
+	struct msghdr msg;
+
+/* Credentials structure */
+#ifndef fc_uid
+	typedef struct cmsgcred Cred;
+#define cruid cmcred_uid
+#else
+	typedef struct fcred Cred;
+#define cruid fc_uid
+#endif
+	Cred *cred;
+
+	/* Compute size without padding */
+	char cmsgmem[sizeof(struct cmsghdr) + sizeof(Cred)];
+	/* Point to start of first structure */
+	struct cmsghdr *cmsg = (struct cmsghdr *)cmsgmem;
+
+	struct iovec iov;
+	char buf;
+	struct passwd *pw;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.msg_iov = &iov;
+	msg.msg_iovlen = 1;
+	msg.msg_control = (char *)cmsg;
+	msg.msg_controllen = sizeof(cmsgmem);
+	memset(cmsg, 0, sizeof(cmsgmem));
+
+	/*
+	 * The one character which is received here is not meaningful;
+	 * its purposes is only to make sure that recvmsg() blocks
+	 * long enough for the other side to send its credentials.
+	 */
+	iov.iov_base = &buf;
+	iov.iov_len = 1;
+
+	if (recvmsg(sock, &msg, 0) < 0 ||
+		cmsg->cmsg_len < sizeof(cmsgmem) ||
+		cmsg->cmsg_type != SCM_CREDS)
+	{
+		snprintf(PQerrormsg, PQERRORMSG_LENGTH,
+				 "ident_unix: error receiving credentials: %s\n",
+				 strerror(errno));
+		fputs(PQerrormsg, stderr);
+		pqdebug("%s", PQerrormsg);
+		return false;
+	}
+
+	cred = (Cred *)CMSG_DATA(cmsg);
 
+	pw = getpwuid(cred->fc_uid);
+	if (pw == NULL)
+	{
+		snprintf(PQerrormsg, PQERRORMSG_LENGTH,
+			 "ident_unix: unknown local user with uid %d\n",
+			 cred->fc_uid);
+		fputs(PQerrormsg, stderr);
+		pqdebug("%s", PQerrormsg);
+		return false;
+	}
+
+	StrNCpy(ident_user, pw->pw_name, IDENT_USERNAME_MAX+1);
+
+	return true;
+
+#else
 	snprintf(PQerrormsg, PQERRORMSG_LENGTH,
-			 "IDENT auth is not supported on local connections on this platform\n");
+			 "'ident' auth is not supported on local connections on this platform\n");
 	fputs(PQerrormsg, stderr);
 	pqdebug("%s", PQerrormsg);
+
 	return false;
 
-#endif /* SO_PEERCRED */
+#endif
 }
 
 /*
diff --git a/src/backend/libpq/pg_hba.conf.sample b/src/backend/libpq/pg_hba.conf.sample
index d7498717b5..9605dfb3e8 100644
--- a/src/backend/libpq/pg_hba.conf.sample
+++ b/src/backend/libpq/pg_hba.conf.sample
@@ -127,12 +127,12 @@
 #   ident:	For TCP/IP connections, authentication is done by contacting
 #		the ident server on the client host.  (CAUTION: this is only
 #		as secure as the client machine!)  On machines that support
-#		SO_PEERCRED socket requests, this method also works for
-#		local Unix-domain connections.  AUTH_ARGUMENT is required:
-#		it determines how to map remote user names to Postgres user
-#		names.  The AUTH_ARGUMENT is a map name found in the
-#		$PGDATA/pg_ident.conf file. The connection is accepted if
-#		that file contains an entry for this map name with the
+#		SO_PEERCRED or SCM_CREDS socket requests, this method also
+#		works for local Unix-domain connections.  AUTH_ARGUMENT is 
+#		required: it determines how to map remote user names to
+#		Postgres user names.  The AUTH_ARGUMENT is a map name found
+#		in the $PGDATA/pg_ident.conf file. The connection is accepted
+#		if that file contains an entry for this map name with the
 #		ident-supplied username and the requested Postgres username.
 #		The special map name "sameuser" indicates an implied map
 #		(not in pg_ident.conf) that maps each ident username to the
diff --git a/src/include/libpq/pqcomm.h b/src/include/libpq/pqcomm.h
index 57a7e79696..48e304d975 100644
--- a/src/include/libpq/pqcomm.h
+++ b/src/include/libpq/pqcomm.h
@@ -9,7 +9,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: pqcomm.h,v 1.57 2001/08/16 04:27:18 momjian Exp $
+ * $Id: pqcomm.h,v 1.58 2001/08/21 00:33:27 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -133,6 +133,7 @@ typedef struct StartupPacket
 #define AUTH_REQ_PASSWORD	3	/* Password */
 #define AUTH_REQ_CRYPT		4	/* crypt password */
 #define AUTH_REQ_MD5		5	/* md5 password */
+#define AUTH_REQ_SCM_CREDS	6	/* transfer SCM credentials */
 
 typedef uint32 AuthRequest;
 
diff --git a/src/interfaces/libpq/fe-auth.c b/src/interfaces/libpq/fe-auth.c
index e26a9c271b..72c37bd120 100644
--- a/src/interfaces/libpq/fe-auth.c
+++ b/src/interfaces/libpq/fe-auth.c
@@ -10,7 +10,7 @@
  * exceed INITIAL_EXPBUFFER_SIZE (currently 256 bytes).
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-auth.c,v 1.55 2001/08/17 15:40:07 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-auth.c,v 1.56 2001/08/21 00:33:27 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -30,6 +30,7 @@
 
 #include "postgres_fe.h"
 
+/* XXX is there a reason these appear before the system defines? */
 #include "libpq-fe.h"
 #include "libpq-int.h"
 #include "fe-auth.h"
@@ -40,6 +41,13 @@
 #else
 #include 
 #include 
+#include 
+#include 
+#include 			/* for SCM_CREDS */
+#ifdef SCM_CREDS
+#include 			/* for struct iovec */
+#include 
+#endif
 #include 			/* for MAXHOSTNAMELEN on most */
 #ifndef  MAXHOSTNAMELEN
 #include 				/* for MAXHOSTNAMELEN on some */
@@ -428,6 +436,53 @@ pg_krb5_sendauth(char *PQerrormsg, int sock,
 
 #endif	 /* KRB5 */
 
+#ifdef SCM_CREDS
+static int
+pg_local_sendauth(char *PQerrormsg, PGconn *conn)
+{
+	char buf;
+	struct iovec iov;
+	struct msghdr msg;
+#ifndef fc_uid
+	/* Prevent padding */
+	char cmsgmem[sizeof(struct cmsghdr) + sizeof(struct cmsgcred)];
+	/* Point to start of first structure */
+    struct cmsghdr *cmsg = (struct cmsghdr *)cmsgmem;
+#endif
+
+	/*
+	 * The backend doesn't care what we send here, but it wants
+	 * exactly one character to force recvmsg() to block and wait
+	 * for us.
+	 */
+	buf = '\0';
+	iov.iov_base = &buf;
+	iov.iov_len = 1;
+
+	memset(&msg, 0, sizeof(msg));
+	msg.msg_iov = &iov;
+	msg.msg_iovlen = 1;
+
+#ifndef fc_uid
+	/* Create control header, FreeBSD */
+	msg.msg_control = cmsg;
+	msg.msg_controllen = sizeof(cmsgmem);
+	memset(cmsg, 0, sizeof(cmsgmem));
+	cmsg.hdr.cmsg_len = sizeof(cmsgmem);
+	cmsg.hdr.cmsg_level = SOL_SOCKET;
+	cmsg.hdr.cmsg_type = SCM_CREDS;
+#endif
+
+	if (sendmsg(conn->sock, &msg, 0) == -1)
+	{
+		snprintf(PQerrormsg, PQERRORMSG_LENGTH,
+			 "pg_local_sendauth: sendmsg: %s\n", strerror(errno));
+		return STATUS_ERROR;
+	}
+	return STATUS_OK;
+}
+#endif
+
 static int
 pg_password_sendauth(PGconn *conn, const char *password, AuthRequest areq)
 {
@@ -473,12 +528,13 @@ pg_password_sendauth(PGconn *conn, const char *password, AuthRequest areq)
 			crypt_pwd = crypt(password, salt);
 			break;
 		}
-		default:
+		case AUTH_REQ_PASSWORD:
 			/* discard const so we can assign it */
 			crypt_pwd = (char *)password;
 			break;
+		default:
+			return STATUS_ERROR;
 	}
-
 	ret = pqPacketSend(conn, crypt_pwd, strlen(crypt_pwd) + 1);
 	if (areq == AUTH_REQ_MD5)
 		free(crypt_pwd);
@@ -551,6 +607,18 @@ fe_sendauth(AuthRequest areq, PGconn *conn, const char *hostname,
 				return STATUS_ERROR;
 			}
 			break;
+
+		case AUTH_REQ_SCM_CREDS:
+#ifdef SCM_CREDS
+			if (pg_local_sendauth(PQerrormsg, conn) != STATUS_OK)
+				return STATUS_ERROR;
+#else
+			snprintf(PQerrormsg, PQERRORMSG_LENGTH,
+					 libpq_gettext("SCM_CRED authentication method not supported\n"));
+			return STATUS_ERROR;
+#endif
+			break;
+
 		default:
 			snprintf(PQerrormsg, PQERRORMSG_LENGTH,
 					 libpq_gettext("authentication method %u not supported\n"), areq);
diff --git a/src/interfaces/odbc/connection.c b/src/interfaces/odbc/connection.c
index 1e6167098e..54e448892b 100644
--- a/src/interfaces/odbc/connection.c
+++ b/src/interfaces/odbc/connection.c
@@ -726,6 +726,11 @@ CC_connect(ConnectionClass *self, char do_password)
 							self->errornumber = CONN_AUTH_TYPE_UNSUPPORTED;
 							return 0;
 
+						case AUTH_REQ_SCM_CREDS:
+							self->errormsg = "Unix socket credential authentication not supported";
+							self->errornumber = CONN_AUTH_TYPE_UNSUPPORTED;
+							return 0;
+
 						default:
 							self->errormsg = "Unknown authentication type";
 							self->errornumber = CONN_AUTH_TYPE_UNSUPPORTED;
diff --git a/src/interfaces/odbc/connection.h b/src/interfaces/odbc/connection.h
index 67fb38dcaa..11379e4f2f 100644
--- a/src/interfaces/odbc/connection.h
+++ b/src/interfaces/odbc/connection.h
@@ -94,6 +94,7 @@ typedef enum
 #define AUTH_REQ_PASSWORD							3
 #define AUTH_REQ_CRYPT								4
 #define AUTH_REQ_MD5								5
+#define AUTH_REQ_SCM_CREDS							6
 
 /*	Startup Packet sizes */
 #define SM_DATABASE									64
-- 
2.11.0