{"id":161781,"date":"2026-02-19T11:11:59","date_gmt":"2026-02-19T09:11:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/stabilnyj-vypusk-subd-mariadb-12-2"},"modified":"2026-02-19T11:11:59","modified_gmt":"2026-02-19T09:11:59","slug":"stabilnyj-vypusk-subd-mariadb-12-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/stabilnyj-vypusk-subd-mariadb-12-2","title":{"rendered":"Stabiln\u00e1 verzia datab\u00e1zov\u00e9ho syst\u00e9mu MariaDB 12.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Vy\u0161lo vydanie datab\u00e1zov\u00e9ho syst\u00e9mu MariaDB 12.2.2, ktor\u00e9 je ozna\u010den\u00e9 ako prv\u00e9 stabiln\u00e9 vydanie vetvy 12.2. Vetva MariaDB 12.2 patr\u00ed medzi medzi vydania (rolling), pokra\u010duje v postupnom rozvoji funk\u010dnosti a nahr\u00e1dza vetvu MariaDB 12.1. S\u00fa\u010dasne bolo vydan\u00e9 MariaDB 12.3.1 s novou implement\u00e1ciou binlog, ktor\u00e1 m\u00e1 status kandid\u00e1ta na vydanie bud\u00facej LTS-vetvy. Vetva MariaDB 12.2 bude podporovan\u00e1 a\u017e do vydania 12.3.2.    <\/p>\n<p>Projekt MariaDB vyv\u00edja odno\u017e MySQL, ktor\u00e1 si zachov\u00e1va sp\u00e4tn\u00fa kompatibilitu a l\u00ed\u0161i sa integr\u00e1ciou dodato\u010dn\u00fdch \u00falo\u017en\u00fdch enginov a roz\u0161\u00edren\u00fdmi mo\u017enos\u0165ami. Rozvoj MariaDB koordinuje nez\u00e1visl\u00e1 organiz\u00e1cia MariaDB Foundation pod\u013ea otvoren\u00e9ho a transparentn\u00e9ho procesu v\u00fdvoja, nez\u00e1visl\u00e9ho od konkr\u00e9tnych v\u00fdrobcov. MariaDB sa dod\u00e1va namiesto MySQL v mnoh\u00fdch distrib\u00faci\u00e1ch Linuxu (RHEL, SUSE, Fedora, openSUSE, Slackware, OpenMandriva, ROSA, Arch Linux, Debian) a je implementovan\u00e1 v tak\u00fdch ve\u013ek\u00fdch projektoch, ako je Wikipedia, Google Cloud SQL a Nimbuzz.       <\/p>\n<p>Medzi zmenami vo vetve MariaDB 12.2:  <\/p>\n<ul>\n<li class=\"l\"> V re\u017eime kompatibility s datab\u00e1zov\u00fdm syst\u00e9mom Oracle s\u00fa implementovan\u00e9 funkcie TO_NUMBER (prevedenie re\u0165azca na \u010d\u00edslo) a TRUNC (skracovanie d\u00e1tumu, napr\u00edklad na hodinu, de\u0148, mesiac, rok).\n<li class=\"l\"> Pri vykon\u00e1van\u00ed oper\u00e1ci\u00ed zl\u00fa\u010denia tabuliek (JOIN) bola implementovan\u00e1 optimaliz\u00e1cia zoh\u013ead\u0148uj\u00faca jedine\u010dnos\u0165 riadkov v poddotazoch s expresiou &#171;GROUP BY&#187; pre presnej\u0161ie predpovedanie po\u010dtu v\u00fdsledn\u00fdch riadkov (out_rows) a spr\u00e1vne aplikovanie indexov.\n<li class=\"l\"> Boli pridan\u00e9 nov\u00e9 mo\u017enosti ovl\u00e1dania optimaliz\u00e1tora ROWID_FILTER\/NO_ROWID_FILTER a INDEX_MERGE\/NO_INDEX_MERGE, ako aj mo\u017enos\u0165 implicitn\u00e9ho uv\u00e1dzania n\u00e1zvov blokov v dopytoch (mo\u017eno bodovo aplikova\u0165 mo\u017enosti optimaliz\u00e1cie na \u010dasti dopytov, s odkazmi na ne pod\u013ea n\u00e1zvov &#171;select#N&#187;, kde N &#8212; poradov\u00e9 \u010d\u00edslo bloku). Napr\u00edklad: &#171;select \n\/*+ JOIN_ORDER(@&#187;select#2&#8243; twenty,ten) *&#8230;.&#187;.\n<li class=\"l\"> Bol zru\u0161en\u00fd limit na \u00farove\u0148 vnorenia \u0161trukt\u00far v funkci\u00e1ch na pr\u00e1cu s JSON (bol odstr\u00e1nen\u00fd limit JSON_DEPTH_LIMIT, ktor\u00fd predt\u00fdm prij\u00edmal hodnotu 32).\n<li class=\"l\"> Do sch\u00e9my INFORMATION_SCHEMA bola pridan\u00e1 tabu\u013ea TRIGGERED_UPDATE_COLUMNS (INFORMATION_SCHEMA.TRIGGERED_UPDATE_COLUMNS), ktor\u00e1 zobrazuje st\u013apce, ktor\u00e9 sa menia pri aktiv\u00e1cii sp\u00fa\u0161\u0165a\u010da.\n<li class=\"l\"> V tabu\u013eke PARAMETERS v sch\u00e9me INFORMATION_SCHEMA bol implementovan\u00fd st\u013apec PARAMETER_DEFAULT, ktor\u00fd obsahuje predvolen\u00e9 hodnoty parametrov ulo\u017een\u00fdch proced\u00far.\n<li class=\"l\"> Bola implementovan\u00e1 experiment\u00e1lna podpora v\u00fdrazu &#171;CREATE GLOBAL TEMPORARY TABLE&#187; na vytv\u00e1ranie glob\u00e1lnych do\u010dasn\u00fdch tabuliek. Tak\u00e9to do\u010dasn\u00e9 tabulky sa odstra\u0148uj\u00fa po ukon\u010den\u00ed rel\u00e1cie a s\u00fa vidite\u013en\u00e9 pre v\u0161etk\u00fdch pou\u017e\u00edvate\u013eov, ale obsahuj\u00fa \u00fadaje individu\u00e1lne pre ka\u017ed\u00e9ho pou\u017e\u00edvate\u013ea.\n<li class=\"l\"> V testovacom re\u017eime bola navrhnut\u00e1 vylep\u0161en\u00e1 podpora replik\u00e1cie medzi tabu\u013ekami s r\u00f4znou \u0161trukt\u00farou.    <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64826\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0421\u0423\u0411\u0414 MariaDB 12.2.2, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0442\u043c\u0435\u0447\u0435\u043d \u043a\u0430\u043a \u043f\u0435\u0440\u0432\u044b\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 \u0432\u0435\u0442\u043a\u0438 12.2. \u0412\u0435\u0442\u043a\u0430 MariaDB 12.2 \u043e\u0442\u043d\u0435\u0441\u0435\u043d\u0430 \u043a \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u044b\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u043c (rolling), \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442 \u043f\u043e\u0441\u0442\u0435\u043f\u0435\u043d\u043d\u043e\u0435 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0438 \u043f\u0440\u0438\u0448\u043b\u0430 \u043d\u0430 \u0441\u043c\u0435\u043d\u0443 \u0432\u0435\u0442\u043a\u0435 MariaDB 12.1. \u041e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a MariaDB 12.3.1 \u0441 \u043d\u043e\u0432\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 binlog, \u0438\u043c\u0435\u044e\u0449\u0438\u0439 \u0441\u0442\u0430\u0442\u0443\u0441 \u043a\u0430\u043d\u0434\u0438\u0434\u0430\u0442\u0430 \u0432 \u0440\u0435\u043b\u0438\u0437\u044b \u0431\u0443\u0434\u0443\u0449\u0435\u0439 LTS-\u0432\u0435\u0442\u043a\u0438. \u0412\u0435\u0442\u043a\u0430 MariaDB 12.2 \u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0430\u0442\u044c\u0441\u044f \u0434\u043e \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-161781","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0421\u0423\u0411\u0414 MariaDB 12.2.2, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0442\u043c\u0435\u0447\u0435\u043d \u043a\u0430\u043a \u043f\u0435\u0440\u0432\u044b\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 \u0432\u0435\u0442\u043a\u0438 12.2.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta 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