3.1.1(kawakawa) 2006/7/23
      o 2.7.2ľäƤϤmaster/slave⡼ɤLISTEN/NOTIFY
      ʤХ(Tatsuo)

      Subject: [Pgpool-general] Problem with LISTEN/NOTIFY through pgpool again
      From: Michael Ulitskiy <mulitskiy@acedsl.com>
      To: pgpool-general@pgfoundry.org
      Date: Thu, 20 Jul 2006 14:13:09 -0400

3.1(kawakawa) 2006/7/1
      o ɥȤβѥå󶡤Mark Stosbergᡥ
      o ĥ䤤碌"kind is 0!"顼ȯΤ
        (Yoshiyuki)
      o ǥХå⡼ɤoffǤSQLʸ뤳Ȥǽˤ륪ץ
        "log_statement"ɲáѥå󶡤Thomas E Lackeyoᡥɥ
	Ȥȼ㴳νаˤ롥
      o ¸ߤʤǡ١³褦Ȥȥե륪С
      ޤ(Tatstuo)
      o ĥ䤤碌ǥǥåɥåȯǽäΤ
	synchronize() Ƥ֤Ȥˤɻ(Yoshiyuki)
      o connection_life_timeͭˤʤäƤȤˡchild_life_time
	ޤchild_max_connectionsνǥץޤǽ
	äХ(Tatsuo)

3.0.2(kamanu) 2006/5/17
      o pgpool.confƤְäƤȤ˽λƤʤäХ
	Хݡ by Taiki(Tatsuo)

      o health_check_user32ХȰʾΤȤbuffer overrun顼
	Х(Taiki)

      o replication⡼ɤĥɥХͭΤȤ˻Х
        ܺ٤ϥХȥå򻲾(Tatsuo)
	http://pgfoundry.org/tracker/index.php?func=detail&aid=1000628&group_id=1000055&atid=298

      o pool_send_error_message顼åNULLߥ͡
	ȤƤʤХ(Yoshiyuki)

      o SimpleForwardToFrontendΥХǡ"kind mismatch error"
	(Yoshiyuki)

      o BSD makeǤmakeǤ褦ˤ(Yoshiyuki)

      o pool_debug, pool_log, pool_error¹ϥʥޥ롥
        ʤȡʥϥɥǼ¹Ԥ줿pool_debugʤɤ
	򵯤(Tatsuo)

      o extend protocol¿ΥХ(Yoshiyuki)
        - ơ֥åʤɤǥǥåɥåȯ뤳Ȥ
	- error response֤äƤȤޤʤ

      o pool_process_query.cselect(2)θƤְäƤս
        (Yoshiyuki)

      o INSERT lockˤơʣԤˤ錄INSERTʸ顼Τ
	INSERTʸХ(Yoshiyuki)

      o ͥסѤݡstartup packetѤʤ
	client_encodingʤɤͤѤäƤǽΤ(Tatsuo)

      o client/pgpoolΥͥǤݤ˼ưŪDEALLOCATE
      ¹Ԥ(Yoshiyuki)

      o SimpleForwardToFrontend/SimpleForwardToBackendˤơѥ
      Ĺ0ξˤϥѥåȤեɤʤ褦ˤ(Tatsuo)

      o pool_process_queryˤơХåɤkind塤ե
      ȥɤѥåȤȡХåɤkind
	ƤޤХ(Tatsuo)

3.0.1(kamanu)	2006/02/14
      o 2.7.2master/slave⡼ɤưʤʤäƤХ(Tatsuo)
      
      o master/slave⡼ɤprepared queryưʤХ(Tatsuo)

3.0.0(kamanu)	2006/02/04
      o PgPool Global Development Group Release

2.7.2(kalekale) 2006/02/02

      o LISTENȤˡPQnotifies()Ǥ˥åʤ
        Х

      o master/slave modeNOTIFYåãȤpacket kind
        ʤ顼ˤʤäƤޤХ

      o pgpoolman pageɲ(contribution by Peter Eisentra)

2.7.1(kalekale) 2006/01/16

      o ignore_leading_white_spaceshow pool_statusɽʤХ
	

2.7(kalekale) 2006/01/03

      o child_max_connectionsץɲápgpoolҥץؤ
	³ͤĶȡλҥץλ롥
	child_life_timeconnection_life_timeʤ餤˻
	ФǡPostgreSQLХåɤ粽ΤɤΤͭ
	contributed by Pomarede Nicolas

      o ignore_leading_white_spaceץɲáSQLʸƬɲ
        줿ۥ磻ȥڡ̵뤹롥DBI/DBD:PgΥӥ͡
        Ͼ˹Ƭ˥ۥ磻ȥڡɲä̡ɥХ󥹤
        ʤʤ餷

      o V2ץȥǡcopyκreadEOF򸡽Фб
        ʤäΤ(stdincopyCTRL-CǶλ
        ɤ˵)

      o master/slave⡼ɻ˽౿ž륵Фmaster/slaveǵդ
        ʤäƤΤ

      o extended queryExecute¹Ի˥ޥɤδλԤ򤷤Ƥʤ
	˥ǥåɥåб(Flushå)
	ܺ٤[pgsql-jp: 36546]򻲾

2.6.5(kala) 2005/11/11

      o 2.6.4ХνV2 protocol/trust authentication/
	ǽ³ˡ³˼ԤƤޤ

      o DROP DATABASEȯԤȤˡΥǡ١Фpgpool
	³֤ˤʤäƤȼԤƤޤн补

2.6.4(kala) 2005/10/22

      o client_min_messageverboseˤʤäƤ硤³˼Ԥ
	Х

      o pool_config.cpool_config.lȰפƤʤäΤ
	(pool_cponfig.c)

2.6.3(kala) 2005/09/02

      o ⤷åǤʤʤ(Ȥ pgpool -f
	pgpool.conf foobar)ͿȡpgpoolΤεưϹԤ
	ΤΡpgpool.pidƤޤХ

      o show pool_statusǡbackend_portŪ˻ꤵƤʤ
	˥ꥵФ"unused"ơˤʤäƤޤХ

      o health_check()ǡΥ顼äƥޥΥ顼Ȥ
        Хʶ󤫤ΤŦ([pgsql-jp: 35914])

2.6.2(kala) 2005/7/30

      o 2.6.1Ǥޤäpool_close()file descriptor leak
        

2.6.1(kala) 2005/7/18

      o եȥɤȤΥåȤnon blockingˤ(LinuxǤϡ
	non blockingä)non blockingǤ
	ˤʤ褦ˤʤäƤϤ¬ηnon blockingȸ
	ǽ夬褦ʤȤϤʤä[pgsql-jp: 35721]ȡ

      o stdio饤֥non blockingåȤưʤȤλŦ
        fwrite/fflushλѤߤƼΥХåե󥰥롼
	֤

      o Хåɤread()EOFΤȤ˽/ե륪
	ФΤߤ᤿(ȿ)

      o pool_stream⥸塼ǡEINTR/EAGINΤȤ˥ȥ饤褦
	

2.6(kala) 2005/06/25

      o pool_error etc.ǡasprintfθfreeƤʤäΤ

      o main.cǡmallocΥäpool_config.num_init_children
	* sizeof(pool_config.num_init_children)ˤʤäƤΤ
	pool_config.num_init_children * sizeof(pid_t)˽

      o parameter statusͤפƤʤƤ⥨顼ˤʤʤ褦
        (USNZǥץꥱ󤷤Ƥ㤬ä)

      o pgpool stopǽλökill줿塤pgpool -m f stop
        դʤʤХ

      o ǥ쥯ƥinsert_lockɲátrueξ硤INSERT¹
	˼ưŪ˥ơ֥åԤˤꡤSERIALޤơ
	֥Ʊ뤳ȤǤ롥
	ʤ/*NO INSERT LOCK*/ȤդȡINSERTʸΤ
	ơ֥åԤʤ
	뤤insert_lockfalseǤ/*INSERT LOCK*/Ȥդ
	ȥơ֥åԤ

      o 2.5.2ɲä줿strict⡼ɤǤäƤ⡤SELECTäsecondaryδλԤ
	׻ͤᡥˡ/*NO STRICT*/Ȥɲá

      o show pool_status˿ɲáե륪о
        ʬ䤹ɽ褦ˤ
        server_status| master( on 5432) up secondary( on 5433) down| server status

2.5.2(kaku) 2005/3/12(Sat)

      o 2.5.1Ǥenbughealth checkºݤˤϤƤʤ
	äΤ֥ȴʤɤ򥿥ॢȤǸФΤOK
	ľ˥顼ˤʤ륱򸡽ФǤƤʤä

      o strict⡼ɤǤäƤ⡤SELECTäsecondaryδλԤ
	ˤäƥѥեޥ󥹤夹롥

      o ѥե饰-D_GNU_SOURCEɲ(asprintfɬ)

2.5.1(kaku) 2005/2/20(Sun)

      o 2.5ɲä줿health checkǽΥХ

	- health checkԤĴ֤child_life_timeexpireSIGCHLD
	  ɤ夬health checkδֳ֤ʤʤ

	- health checkconnectԤˤʤäƤȤˤޤ
	  child_life_timeexireSIGCHLD夬ȥ顼ǧ
	  ƤޤfailoverƤޤ

      o smart shutdownfast/immediate shutdown requestä餽
	դ褦ˤ(ϥ֥åƤ)

      o ۤʤץΥϤäƤޤΤasprintfȤäƲ
	򤹤褦ˤ(Thanks to Jacques Caron)

      o strsep()ݡ֥strtok()֤

      o pgpoolưȤ˥Ф褦ˤ

      o ĤΥΥ٥logdebug˲

2.5(kaku) 2005/2/2(Tue)

      ʲεǽɲá
      - å(pgpool switchץ)
      - health check
      - pgpool.conf˰ʲɲ
	- print_time_stamp(ؤΥॹװǽ)
	- master_slave_mode(ץꥱʤˤȥ
	  󥶥SELECTΤȯ)
	- connection_cache(ͥ󥭥åon/off)
	- health_check_timeout(إ륹åΥॢ)
	- health_check_period(إ륹åδֳ)
	- health_check_user(إ륹åΥ桼̾)

      Х
      - child_life_timeΥ르ꥺθľ٤ι⤤ȤΤ
        child_life_time׻Ǥʤ꤬ꡤޤselect(2)θƤӽ
	ˤ

2.4(kahala) 2005/1/5(Thu)

      åνλȯԤSQLޥɤpgpool.confǽ
      (reset_query_listɲ)

      Copyright2005ǯбˡ

2.3.3(iheihe) 2004/12/14(Tue)

      ˴ؤsignal handlerƤݡ֥ʥǥ
      󥰤ˤˤSolarisǤꤷƽư褦ˤʤ
      (ܺ٤ϡ[pgsql-jp: 34346] pgpool 2.3.1 ǽ౿ž˼Ԥޤ
      Υåɤ򻲾)

      ѥåȤμ礬ȤˡºݤPostgreSQL
      Ƥ뤫ɤåhealth checkɲäˤꡤ
      ¤˥ХΤǤ褦ˤʤäȶˡץꥱ
      ̵̤retryǾ¤ˤ뤳ȤǤ롥

2.3.2(iheihe) 2004/12/8(Wed)

      ҥץåλ˽हȡҥץλ
      Х2.3ǡҥץSIGTERM줿Ȥ˥å
      󤬽λޤԤĤ褦ˤȤSIGQUIT褦ˤ
      н补

2.3.1(iheihe) 2004/11/12(Fri)

      ޥƽ౿žȤˡöե륪Ф뤳Ȥʤ
      ľ˥˽Ǥ褦ˤʤä

      mastersecondaryζ̤SIGUSR1SIGUSR2ǹԤ夿ޤ
      ³դʤʤХ

      child_life_timeexpireȤ˥˽λѥåȤ
      ƤʤäХ

      ҥץνλơ0ʳλΤ߻ҥץƵư
      褦ˤˤättydetach˱ѤƤü
      killäȤwait()롼פǿƥץԤ³Х
      

2.3(iheihe) 2004/11/05(Fri)

      startup packetΥ꡼꡼

      child_life_time

      pgpool {[-m {s[mart]|f[ast]|i[mmediate]}] stop]ե
      ɤ³λԤäưߤǤ褦ˤʤä

2.2.1(hilu) 2004/10/28(Thu)

      Хå1Υͥס⡼ɤˤơХå
      ƵưȤpgpoolΤȤ򸡽ФǤġΥͥ
      ˤǽ䤤碌ǥ顼ˤʤäƤޤ򤹤뤿
      ˡ륳ͥǥ顼򸡽Ф顤pgpoolλҥץ
      Ƶư褦ˤ

      [pgsql-jp: 34117]ǤΥХŦбselect()Ϥॢȥ
      ᡼ߥ

      [pgsql-jp: 34157]ǤΥХŦб2.2Ǥ<[pgsql-jp:
      34005]ǤΥХŦб>ˤ륨ХMASTERSECONDARYƱ
      뤿̵SECONDARYΥǡselect()Ԥä
      Τϴְ㤤readХåե˥ǡĤäƤ뤫ɤ˥
      ٤ä2.1̵pool_read()ƤΤOKä

      [pgsql-jp: 34161]ХŦбselect()Ϥॢȥ
      ᡼select()return塤ꥢΤ˺Ƥ

      pgpool.conf.sampleΥȤδְ㤤

2.2(hilu) 2004/09/30(Thu)

      [pgsql-jp: 34005]ǤΥХŦб
      ޥ꤬åȥpgpoolnotice messageꤲ
      pgpoolϤȤäΤǡ꤫notice message
      ΤȻפäԤ³

      TCP/IPμդɥ쥹Ǥ褦ˤ(listen_address
      ɲ)(Peter Eisentrautᤫι׸)

2.1(hebe) 2004/09/13(Mon)

      ɥХ󥹻˥ޥȥ˽Ťߤդ뤿Υѥ᡼
      weight_masterweight_secondaryɲ

      autoconf 2.59automake 1.9Ѥ褦ˤ

2.0.9(heemauli) 2004/09/02(Thu)

      ٻб뤿ˡread()non block⡼ɤDzƯ
      ˤ

      SolarisǤΥѥ˥(getpid()intǤʤprintf()ե
      ߥ꡼ʸ)б

2.0.8(heemauli) 2004/08/18(Wed)

      ץꥱ⡼ɤDzƯ˥ͥסΥޡƯ
      Х

2.0.7(heemauli) 2004/08/13(Fri)

      PowerPcƥǤΥѥ˥󥰤

      ѥlex/flexפˤȤflex.cƱ
      ƤΤflexפʤϤautomakeΥޥ
      (AM_PROG_LEX)ХäƤΤǽΥСǤϤʤäƤ
      ޤäƤȤꤢconfigureǽн补

      -nդǵưݤˡSIGINTƤ⽪λʤȤХ
      

      FreeBSD 5.2.1+AMD64ǤΥѥ˥󥰤seg fault
      main.cstring.hincludeƤʤФstrerror()ʥ
      ɥ쥹֤Ƥ͡

2.0.6(heemauli) 2004/07/22(Thu)

      (ХΤ)6.5libpqȤä³Ȥ̵¥롼פ
      

      pool_read2ѹȤ˥ХäΤ(enbug)

2.0.5(heemauli) 2004/07/19(Mon)

      ץꥱ⡼ɤǤʤȤˤNULLMAPΥå򤷤Ƥ
      Х
      
      ѥΥ顼å򸷤˥󥰤ä

      ̵̤pool_readȤäƤȤpool_read2ѹ

      BinaryRowǥޥȥNULLMAPäƤƤפʤ褦ˤ

2.0.4(heemauli) 2004/07/17(Sat)

      ͥ󥹥åȤդˤʤäȤ(max_poolãȤ)
      ָŤͥΤƤơͥ褦ˤ
      

      ޥȥNULLMAPäƤƤפʤ褦ˤ

2.0.3(heemauli) 2004/07/12(Mon)

      ͥѤ褦ȤȤˡץ
      (2.0.2Ǥenbugν)

      pgpool.conf.samplereplication_stop_on_mismatchΥڥߥ
      

      V3ץȥ뤫replicationͭλflat file password
      authenticationưʤ

2.0.2(heemauli) 2004/07/04(Sun)

      եȥɤХåɤ۾ｪλȤΥ顼򶯲

      åID"log""LOG"ѹ

2.0.1(heemauli) 2004/07/01(Thu)

      backend_host_name''ΤȤsecondary_host_nameޤ''ȸʤ
      ƤޤХ

      ޥȥƱơ֥ιԤ¤ӤʪŪ˰ۤʤäƤ⥨
      顼ˤʤʤ褦ˤʤʬåŤʤäƤ뤬
      ʤ

2.0(heemauli) 2004/06/22(Tue)

      V3ץȥnativeб
      ʬ(load balance)Ǥ褦ˤʤä
      ǡ԰׻˶౿ž뤫ɤǤ褦ˤʤä

1.2.3((hapuupuu) 2004/05/16(Sun)

      顼֥ȡΤˤFunctionCallˤΥץꥱư
      ˥ХäΤ

1.2.2(hapuupuu) 2004/05/12(Wed)

      饤ȤTCP³Ȥˡpgbench -C٤
      н补

	- pool_read()ǡɬREADBUSZХɤ߹ࡥ;äڥǥ
	  ǡˤ

        - CursorResponse, RowDescription, AsciiRow, BinaryRow,
	  CompleteCommandResponseflush()ߤ롥
	  ReadyForQueryޤǰϢΥåȤƥХåɤή
	  ƤΤǡflush()ɬפʤ

      POOL_CONNECTION¤ΤɬפʥФ

      pool_close()2closeäΤ

1.2.1(hapuupuu) 2004/05/08(Sat)

      pool_read_string()礭ʸɤȤΥХ

      AsciiRow()BinaryRow()ɬפpool_write_and_flush()
      pool_write()֤

1.2(hapuupuu) 2004/05/06(Thu)

      1.1λˡƥץlisten fdְäcloseƤΤ
      ᤷ

      ѥɥѥåȤȤˡѥɤĹå
      ƤʤäΤ

      ͥѤݤˡǧڤԤ褦ˤ
      ʤǧڤʤǥͥѤǤƤޤ

      ХåɤȤ³ڤȤˡʤcloseΤǤϤʤ
      λѥå("X")褦ˤ

1.1(hahalalu) 2004/04/29(Thu)

      connection_life_time0ʳΤȤ˥ޡƻ롼
      segfaultХ

      clear text password/crypt/md5ǧڤclear text
      passwordǧڰʳϥץꥱ⡼ɤǤưޤ󡥤
      salt˥ХåɤեȥɤʤФʤ
      ץȥΤ˵ΤǤ

1.0(ehu) official release 2004/4/23(Fri)

      ɥΤߤν

1.0(ehu) beta4 2004/4/21(Wed)

      pidեλijĤäƤƤⵯưǤ褦˽

1.0(ehu) beta3 2004/4/18(Sun)

      strict⡼ɻˤؤ餺ॢȤͭˤʤäƤޤХ
      ޤϤˤĤƤstrict⡼ɤǤ⤽ǤʤƤ⤵ۤ
      ǽѤʤȤ狼äΤǡstrict⡼ɤǥեȤˤ
      

1.0(ehu) beta2 2004/4/17(Sat)

      AsciiRow()ؿǡ꤫ɤߥХȿntoh򤫤ޤΤ
      ˺Ƥ˥ޥȥνƱ졤顼ˤʤ
      ƾ˥ե륪ФƤޤХ

1.0(ehu) beta1 2004/4/13(Tue)

      show pool_statusˤɽǽɲá
      htnos/htnolλȤְäƤȤäΤSolaris
      ǤޤưʤȤȴط뤫Τʤ

1.0(ehu) alpha 1 2004/3/29(Mon)

      ץꥱեС꡼ʸ0.2
      ϥᥤƥʥ󥹥꡼ΤߤȤ롥

0.2.2(auku) 2004/3/25(Thu)

      0.2.1λenbugV3ץȥؤбǤʤʤäƤΤ
      

0.2.1(aulepe) 2004/3/24(Wed)

      copyright notice򹹿
      cancel request

0.2.0(au) 2004/2/28(Sat)

      ܤbackendѤUnix domain socketΥǥ쥯ȥѥ
      "backend_socket_dir"ɲáǥեȤ/tmpDebin
      /var/run/postgresqlǤ뤳ȤؤкŪ

      ʻơ"socket_dir"꤬ޤäƤʤХ

0.1.9 (aawa) 2004/2/27(Fri)

      V3ץȥǥեȥɤ³׵򤷤Ƥ顤V2fallback
      ꥯȤ褦ˤǰ7.4ʹߤΥեȥɤǤ
      ³Ǥ褦ˤʤäϤ

      ܤUnix domain socketΥǥ쥯ȥѥǤ"socket_dir"
      ɲáǥեȤ/tmpDebinǤ/var/run/postgresqlǤ뤳
      ؤкŪ

0.1.8 (palia) 2004/2/5(Wed)

      AsciiRowץȥǡǡ0ΤȤνȴƤ
      ܺ٤[pgcluster: 78]򻲾ȡ

0.1.7 (omao) 2004/1/21(Wed)
      䤤碌Ϥ줿Ȥ˥顼λХ(thanks
      to tanida@sra.co.jp)
      README(Ѹ)README.euc_jp(ܸ)

0.1.6 (nene) 2003/11/28(Fri)

      礭ʥ䤤碌Ϥ줿Ȥˡʸϥȥ꡼
      塼segmentation fault򵯤Хޤ

0.1.5 (io) 2003/8/28(Thu)

      SSLбΥեȥɤĤʤʤб
      tietew@tietew.net󡤥ѥå򤢤꤬Ȥޤ

0.1.4 (iiwi) 2003/8/9(Sat)

      ʸϥȥ꡼⥸塼ΥХmitani@sraw.co.jp
      ꤬Ȥޤ

0.1.3 (elepaio) 2003/7/20(Sun)

      postgresΥإåե뤬ʤƤ⥳ѥǤ褦ˤ

      Solaris libsocket, libnsl󥯤ƤʤΤǥ顼ˤʤ
      (configure.inAC_CHECK_LIBɲ)

      FreeBSD, SolarisǤϡLinuxȰäaccept()fdnon blockˤʤ
      Ƥ硤accept()֤fdnon blockˤʤäƤޤaccept()
      ֤fdnone block flagꥻåȤ뤳Ȥˤꤳн补

      connection_life_time

      åpidդ褦ˤ

      max_poolۤ³Ȥ˥ץexitƤޤХ
      Ȥ"Sorry, too many clients already"֤褦
      

0.1.2 (apapane) 2003/7/5(Sat)

      do_child()ǡեȥɤλݤ˥եȥɤؤΥͥ
      򥯥Ƥʤ롼ȤäΤ

      pool_get_cp()ǡåȤõå˥ХäΤ

      READMEregression test, ٥ޡƥȤˡ򵭽

0.1.1 (amakihi) 2003/6/28(Sat)

      do_accept()accept()ΰƤʤХ
	
0.1 (akohekohe) 2003/6/27(Fri)
	
	initial release

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