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  1. MariaDB Server
  2. MDEV-29681

Server crashes when optimizing SQL with ORDER BY

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Critical
    • Resolution: Fixed
    • 10.6.7, 10.6.10, 10.3(EOL), 10.4(EOL), 10.5, 10.6, 10.7(EOL), 10.8(EOL), 10.9(EOL)
    • Optimizer, Server
    • CentOS Linux release 7.9.2009 (Core)
      Linux sql1 3.10.0-1160.76.1.el7.x86_64 #1 SMP Wed Aug 10 16:21:17 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

    Description

      Hello.

      MariaDB crashes with the following scenario:
      Default installation on centos7 from mariadb yum repo.

      CREATE DATABASE d;
      USE d;
      CREATE TABLE `vohgajoo` (
        `ohtighit` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
        `heipeeri` datetime DEFAULT NULL,
        `yingaexe` datetime DEFAULT NULL,
        `itahweit` varchar(32) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL,
        `ooghohva` varchar(12) DEFAULT NULL,
        `iedacoox` tinytext DEFAULT NULL,
        `meingeic` enum('m','f','t') DEFAULT NULL,
        `quauxeej` date DEFAULT NULL,
        `ahmaepao` varchar(16) DEFAULT NULL,
        `chiavahn` float DEFAULT NULL,
        `eebiavit` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL CHECK (json_valid(`eebiavit`)),
        `theibaej` bit(1) NOT NULL DEFAULT b'0',
        PRIMARY KEY (`ohtighit`),
        KEY `itahweit` (`itahweit`(12)),
        KEY `ooghohva` (`ooghohva`)
      ) ENGINE=InnoDB AUTO_INCREMENT=381603 DEFAULT CHARSET=utf8mb4;
      CREATE TABLE `imaewaey` (
        `angooyie` int(11) NOT NULL,
        `binaeshe` int(11) NOT NULL,
        `itizahra` varchar(5) NOT NULL DEFAULT 'en',
        `aithixis` int(11) NOT NULL,
        `yingaexe` datetime NOT NULL,
        PRIMARY KEY (`angooyie`,`binaeshe`,`itizahra`),
        KEY `hieghieg` (`angooyie`,`binaeshe`,`aithixis`)
      ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3;
       
      (SELECT bx.itahweit, v.aithixis/2 aithixis, 2 angooyie, JSON_UNQUOTE(JSON_EXTRACT(eebiavit, '$.claumexf')) claumexf FROM d.vohgajoo bx LEFT JOIN d.imaewaey v ON v.itizahra='en' AND v.angooyie=2 AND v.binaeshe=bx.ohtighit WHERE bx.ohtighit IN (4985) AND bx.theibaej=1 ORDER BY bx.meingeic IN ('f','t') DESC, JSON_EXTRACT(bx.eebiavit, '$.balmrusb') DESC LIMIT 1) ORDER BY angooyie=16, aithixis DESC;
      

      Attachments

        1. gdb.txt
          37 kB
        2. mariadb.log
          10 kB

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              oleg.smirnov Oleg Smirnov
              ykos Yevgeny Kosarzhevsky
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              Dates

                Created:
                Updated:
                Resolved:

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