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Description:WhenSELECTingfromatimestampbasedrangepartitionwherethetablehasnopartitiontohandlevalueslessthanMAXVALUEandtheSELECTconditionreadsfromthelastpartitionorgreater,mysqldgetsasignal8.Repeatablewith5.5.23,5.5.24and5.5.25,NOTwith5.5.20,5.5.21,5.5.22Howtorepeat:[revin@forgemsb_5_5_24]$./usetestReadingtableinformationforcompletionoftableandcolumnnamesYoucanturnoffthisfeaturetogetaquickerstartupwith-AWelcometotheMySQLmonitor.Commandsendwith;or\g.YourMySQLconnectionidis1Serverversion:5.5.24MySQLCommunityServer(GPL)Copyright(c)2000,2011,Oracleand/oritsaffiliates.Allrightsreserved.OracleisaregisteredtrademarkofOracleCorporationand/oritsaffiliates.Othernamesmaybetrademarksoftheirrespectiveowners.Type'help;'or'\h'forhelp.Type'\c'toclearthecurrentinputstatement.mysql[localhost]{msandbox}(test)>showcreatetabletable_XXXXX\G***************************1.row***************************Table:table_XXXXXCreateTable:CREATETABLE`table_XXXXX`(`record_type`smallint(5)unsignedNOTNULL,`timestamp`int(10)unsignedNOTNULL,`meta_pos_id`smallint(5)unsignedNOTNULL,`value`mediumint(8)unsignedNOTNULL,KEY`ts_rtype`(`timestamp`,`record_type`))ENGINE=InnoDBDEFAULTCHARSET=latin1/*!50100PARTITIONBYRANGE(timestamp)(PARTITION2012y03mVALUESLESSTHAN(1333238400)ENGINE=InnoDB,PARTITION2012y04mVALUESLESSTHAN(1335830400)ENGINE=InnoDB,PARTITION2012y05mVALUESLESSTHAN(1338508800)ENGINE=InnoDB,PARTITION2012y06mVALUESLESSTHAN(1341100800)ENGINE=InnoDB)*/1rowinset(0.00sec)mysql[localhost]{msandbox}(test)>SELECTCOUNT(*)FROMtable_XXXXXWHERE`timestamp`>1338508800;+----------+|COUNT(*)|+----------+|0|+----------+1rowinset(0.00sec)mysql[localhost]{msandbox}(test)>SELECTCOUNT(*)FROMtable_XXXXXWHERE`timestamp`>1341100799;ERROR2013(HY000):LostconnectiontoMySQLserverduringquerySuggestedfix:NA,butaworkaroundistoaddapartitiontohandlevalueslessthanMAXVALUE.

Backtracefromcorefileduringoneofthecrashes.Attachment:23293-backtrace.txt(text/plain),13.89KiB.

Errorlogfromsandboxcreationtocrashthenrestart.Attachment:23293-error-log.txt(text/plain),9.63KiB.

Thankyouforthebugreport.Indeedrepeatablewith5.5.24butnotanymorewithcurrentsource:MicrosoftWindows[Version6.1.7601]Copyright(c)2009MicrosoftCorporation.Allrightsreserved.h:\dbs>55h:\dbs>h:\dbs\5.5\bin\mysql-uroot--port=3540--prompt="mysql5.5>"WelcometotheMySQLmonitor.Commandsendwith;or\g.YourMySQLconnectionidis1Serverversion:5.5.24SourcedistributionCopyright(c)2000,2011,Oracleand/oritsaffiliates.Allrightsreserved.OracleisaregisteredtrademarkofOracleCorporationand/oritsaffiliates.Othernamesmaybetrademarksoftheirrespectiveowners.Type'help;'or'\h'forhelp.Type'\c'toclearthecurrentinputstatement.mysql5.5>usetestDatabasechangedmysql5.5>CREATETABLE`table_XXXXX`(->`record_type`smallint(5)unsignedNOTNULL,->`timestamp`int(10)unsignedNOTNULL,->`meta_pos_id`smallint(5)unsignedNOTNULL,->`value`mediumint(8)unsignedNOTNULL,->KEY`ts_rtype`(`timestamp`,`record_type`)->)ENGINE=InnoDBDEFAULTCHARSET=latin1->/*!50100PARTITIONBYRANGE(timestamp)->(PARTITION2012y03mVALUESLESSTHAN(1333238400)ENGINE=InnoDB,->PARTITION2012y04mVALUESLESSTHAN(1335830400)ENGINE=InnoDB,->PARTITION2012y05mVALUESLESSTHAN(1338508800)ENGINE=InnoDB,->PARTITION2012y06mVALUESLESSTHAN(1341100800)ENGINE=InnoDB)*/;QueryOK,0rowsaffected(0.88sec)mysql5.5>SELECTCOUNT(*)FROMtable_XXXXXWHERE`timestamp`>1338508800;+----------+|COUNT(*)|+----------+|0|+----------+1rowinset(0.00sec)mysql5.5>SELECTCOUNT(*)FROMtable_XXXXXWHERE`timestamp`>1341100799;ERROR2013(HY000):LostconnectiontoMySQLserverduringquerymysql5.5>MicrosoftWindows[Version6.1.7601]Copyright(c)2009MicrosoftCorporation.Allrightsreserved.d:\dbs>55d:\dbs>d:\dbs\5.5\bin\mysql-uroot--port=3541--prompt="mysql5.5>"WelcometotheMySQLmonitor.Commandsendwith;or\g.YourMySQLconnectionidis1Serverversion:5.5.26SourcedistributionCopyright(c)2000,2011,Oracleand/oritsaffiliates.Allrightsreserved.OracleisaregisteredtrademarkofOracleCorporationand/oritsaffiliates.Othernamesmaybetrademarksoftheirrespectiveowners.Type'help;'or'\h'forhelp.Type'\c'toclearthecurrentinputstatement.mysql5.5>usetestDatabasechangedmysql5.5>CREATETABLE`table_XXXXX`(->`record_type`smallint(5)unsignedNOTNULL,->`timestamp`int(10)unsignedNOTNULL,->`meta_pos_id`smallint(5)unsignedNOTNULL,->`value`mediumint(8)unsignedNOTNULL,->KEY`ts_rtype`(`timestamp`,`record_type`)->)ENGINE=InnoDBDEFAULTCHARSET=latin1->/*!50100PARTITIONBYRANGE(timestamp)->(PARTITION2012y03mVALUESLESSTHAN(1333238400)ENGINE=InnoDB,->PARTITION2012y04mVALUESLESSTHAN(1335830400)ENGINE=InnoDB,->PARTITION2012y05mVALUESLESSTHAN(1338508800)ENGINE=InnoDB,->PARTITION2012y06mVALUESLESSTHAN(1341100800)ENGINE=InnoDB)*/;QueryOK,0rowsaffected(0.24sec)mysql5.5>SELECTCOUNT(*)FROMtable_XXXXXWHERE`timestamp`>1338508800;+----------+|COUNT(*)|+----------+|0|+----------+1rowinset(0.05sec)mysql5.5>SELECTCOUNT(*)FROMtable_XXXXXWHERE`timestamp`>1341100799;+----------+|COUNT(*)|+----------+|0|+----------+1rowinset(0.00sec)mysql5.5>

Miguel,haveyoutriedwith5.5.25officialOraclebinariesasIdid?

Notsurewhythisisstillmarkedascan'trepeat-haveyoutestedwithofficialOraclebinariesyet?

Theproblemstillexistson5.5.25a,notsurewhythisisstillcan'trepeat?[revin@forgemysql]$sb5525WelcometotheMySQLmonitor.Commandsendwith;or\g.YourMySQLconnectionidis2Serverversion:5.5.25aMySQLCommunityServer(GPL)Copyright(c)2000,2011,Oracleand/oritsaffiliates.Allrightsreserved.OracleisaregisteredtrademarkofOracleCorporationand/oritsaffiliates.Othernamesmaybetrademarksoftheirrespectiveowners.Type'help;'or'\h'forhelp.Type'\c'toclearthecurrentinputstatement.mysql[localhost]{msandbox}((none))>usetest;Databasechangedmysql[localhost]{msandbox}(test)>CREATETABLE`table_XXXXX`(->`record_type`smallint(5)unsignedNOTNULL,->`timestamp`int(10)unsignedNOTNULL,->`meta_pos_id`smallint(5)unsignedNOTNULL,->`value`mediumint(8)unsignedNOTNULL,->KEY`ts_rtype`(`timestamp`,`record_type`)->)ENGINE=InnoDBDEFAULTCHARSET=latin1->/*!50100PARTITIONBYRANGE(timestamp)->(PARTITION2012y03mVALUESLESSTHAN(1333238400)ENGINE=InnoDB,->PARTITION2012y04mVALUESLESSTHAN(1335830400)ENGINE=InnoDB,->PARTITION2012y05mVALUESLESSTHAN(1338508800)ENGINE=InnoDB,->PARTITION2012y06mVALUESLESSTHAN(1341100800)ENGINE=InnoDB)*/->;QueryOK,0rowsaffected(0.01sec)mysql[localhost]{msandbox}(test)>SELECTCOUNT(*)FROMtable_XXXXXWHERE`timestamp`>1338508800;+----------+|COUNT(*)|+----------+|0|+----------+1rowinset(0.00sec)mysql[localhost]{msandbox}(test)>SELECTCOUNT(*)FROMtable_XXXXXWHERE`timestamp`>1341100799;ERROR2013(HY000):LostconnectiontoMySQLserverduringquerymysql[localhost]{msandbox}(test)>

Thisisaknowbugthatisfixedincurrentcode:macbook-pro:5.5openxs$bin/mysql-uroottestReadingtableinformationforcompletionoftableandcolumnnamesYoucanturnoffthisfeaturetogetaquickerstartupwith-AWelcometotheMySQLmonitor.Commandsendwith;or\g.YourMySQLconnectionidis1Serverversion:5.5.28-debugSourcedistributionCopyright(c)2000,2011,Oracleand/oritsaffiliates.Allrightsreserved.OracleisaregisteredtrademarkofOracleCorporationand/oritsaffiliates.Othernamesmaybetrademarksoftheirrespectiveowners.Type'help;'or'\h'forhelp.Type'\c'toclearthecurrentinputstatement.mysql>CREATETABLE`table_XXXXX`(->`record_type`smallint(5)unsignedNOTNULL,->`timestamp`int(10)unsignedNOTNULL,->`meta_pos_id`smallint(5)unsignedNOTNULL,->`value`mediumint(8)unsignedNOTNULL,->KEY`ts_rtype`(`timestamp`,`record_type`)->)ENGINE=InnoDBDEFAULTCHARSET=latin1->/*!50100PARTITIONBYRANGE(timestamp)->(PARTITION2012y03mVALUESLESSTHAN(1333238400)ENGINE=InnoDB,->PARTITION2012y04mVALUESLESSTHAN(1335830400)ENGINE=InnoDB,->PARTITION2012y05mVALUESLESSTHAN(1338508800)ENGINE=InnoDB,->PARTITION2012y06mVALUESLESSTHAN(1341100800)ENGINE=InnoDB)*/;QueryOK,0rowsaffected(0.07sec)mysql>SELECTCOUNT(*)FROMtable_XXXXXWHERE`timestamp`>1338508800;+----------+|COUNT(*)|+----------+|0|+----------+1rowinset(0.00sec)mysql>SELECTCOUNT(*)FROMtable_XXXXXWHERE`timestamp`>1341100799;+----------+|COUNT(*)|+----------+|0|+----------+1rowinset(0.00sec)So,please,waitfortheofficialreleaseof5.5.27withthefix.

Valeriy,Thanks-lookslikeMigueltestedwith5.5.26-isthiscomingto.26or.27asyoumentioned?

Ahh,nvm,foundmyanswer:)http://dev.mysql.com/doc/refman/5.5/en/news-5-5-26.html

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