{"id":111102,"date":"2023-10-26T15:10:14","date_gmt":"2023-10-26T13:10:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupna-subd-mysql-8-2-0"},"modified":"2023-10-26T15:10:14","modified_gmt":"2023-10-26T13:10:14","slug":"dostupna-subd-mysql-8-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/dostupna-subd-mysql-8-2-0","title":{"rendered":"Dostupn\u00e1 DBMS MySQL 8.2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Spole\u010dnost Oracle vytvo\u0159ila novou v\u011btev datab\u00e1zov\u00e9ho syst\u00e9mu MySQL 8.2 a zve\u0159ejnila opravy MySQL 8.0.35 a 5.7.44. Sestaven\u00ed MySQL Community Server 8.2.0 byla p\u0159ipravena pro v\u0161echny hlavn\u00ed distribuce Linuxu, FreeBSD, macOS a Windows.    <\/p>\n<p>MySQL 8.2.0 je druh\u00e1 verze, kter\u00e1 byla vytvo\u0159ena v r\u00e1mci nov\u00e9ho modelu vyd\u00e1v\u00e1n\u00ed verz\u00ed, zahrnuj\u00edc\u00edho dva typy v\u011btv\u00ed MySQL \u2013 \u201eInnovation\u201c a \u201eLTS\u201c. V\u011btve Innovation, mezi kter\u00e9 pat\u0159\u00ed MySQL 8.1 a 8.2, jsou doporu\u010dov\u00e1ny pro ty, kte\u0159\u00ed cht\u011bj\u00ed d\u0159\u00edve z\u00edskat p\u0159\u00edstup k nov\u00fdm funkc\u00edm. Tyto v\u011btve se publikuj\u00ed ka\u017ed\u00e9 3 m\u011bs\u00edce a jsou podporov\u00e1ny pouze do vyd\u00e1n\u00ed dal\u0161\u00edho v\u00fdznamn\u00e9ho releasu (nap\u0159\u00edklad podpora v\u011btve 8.1 byla ukon\u010dena po vyd\u00e1n\u00ed v\u011btve 8.2). V\u011btve LTS jsou doporu\u010deny pro nasazen\u00ed, kter\u00e1 pot\u0159ebuj\u00ed p\u0159edv\u00eddatelnost a dlouhodobou stabilitu chov\u00e1n\u00ed. V\u011btve LTS budou vyd\u00e1v\u00e1ny ka\u017ed\u00e9 dva roky a budou podporov\u00e1ny v b\u011b\u017en\u00e9m re\u017eimu po dobu 5 let, nav\u00edc bude mo\u017en\u00e9 z\u00edskat je\u0161t\u011b 3 roky roz\u0161\u00ed\u0159en\u00e9 podpory. Na ja\u0159e 2024 se o\u010dek\u00e1v\u00e1 vyd\u00e1n\u00ed LTS MySQL 8.4, po kter\u00e9m bude vytvo\u0159ena nov\u00e1 v\u011btve Innovation 9.0.      <\/p>\n<p>Hlavn\u00ed zm\u011bny v MySQL 8.2:  <\/p>\n<ul>\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora autentiza\u010dn\u00edho mechanismu na b\u00e1zi specifikace Webauthn (FIDO2), kter\u00fd umo\u017e\u0148uje pou\u017e\u00edvat v\u00edcefaktorovou autentizaci a potvrzovat p\u0159ipojen\u00ed k <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/dts-shicago\/\"   title=\"serveru\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2927\">serveru<\/a> MySQL bez hesel, pomoc\u00ed hardwarov\u00fdch token\u016f s podporou FIDO2 nebo biometrick\u00e9 autentizace. Plugin s podporou Webauthn je zat\u00edm dostupn\u00fd pouze pro MySQL Enterprise.\n<li class=\"l\"> Serverov\u00fd plugin mysql_native_password, kter\u00fd zaji\u0161\u0165uje autentizaci pomoc\u00ed hesel, byl p\u0159eveden do kategorie voliteln\u00fdch a m\u016f\u017ee b\u00fdt vypnut. M\u00edsto mysql_native_password se doporu\u010duje p\u0159ej\u00edt na pou\u017eit\u00ed pluginu caching_sha2_password, kter\u00fd pou\u017e\u00edv\u00e1 algoritmus SHA2 pro hashov\u00e1n\u00ed m\u00edsto SHA1. Pro p\u0159epnut\u00ed u\u017eivatel\u016f na plugin caching_sha2_password s n\u00e1hodn\u00fdm heslem lze pou\u017e\u00edt p\u0159\u00edkaz:       ALTER USER 'username'@'localhost'     IDENTIFIED WITH caching_sha2_password BY RANDOM PASSWORD     PASSWORD EXPIRE     FAILED_LOGIN_ATTEMPTS 3 PASSWORD_LOCK_TIME 2;\n<li class=\"l\"> Byla optimalizov\u00e1na hashovac\u00ed tabulka, co\u017e umo\u017enilo zrychlit prov\u00e1d\u011bn\u00ed operac\u00ed EXCEPT a INTERSECT.\n<li class=\"l\"> Byly roz\u0161\u00ed\u0159eny mo\u017enosti lad\u011bn\u00ed. V operac\u00edch SELECT, INSERT, REPLACE, UPDATE a DELETE byla p\u0159id\u00e1na podpora v\u00fdrazu \u201eEXPLAIN FORMAT=JSON\u201c pro generov\u00e1n\u00ed diagnostick\u00e9ho v\u00fdstupu ve form\u00e1tu JSON (nap\u0159\u00edklad \u201eEXPLAIN FORMAT=JSON INTO @var select_stmt;\u201c).\n<li class=\"l\"> Byl p\u0159id\u00e1n v\u00fdraz \u201eEXPLAIN FOR SCHEMA\u201c pro v\u00fdstup diagnostiky, kter\u00e1 se t\u00fdk\u00e1 pouze ur\u010dit\u00e9ho sch\u00e9matu dat.\n<li class=\"l\"> Do n\u00e1stroje mysqldump byla p\u0159id\u00e1na volba \u201e--output-as-version\u201c pro vytv\u00e1\u0159en\u00ed dump\u016f kompatibiln\u00edch s ur\u010ditou star\u0161\u00ed verz\u00ed MySQL (nap\u0159\u00edklad lze uv\u00e9st BEFORE_8_2_0 nebo BEFORE_8_0_23 pro vr\u00e1cen\u00ed nepoliticky korektn\u00ed terminologie master\/slave, kter\u00e1 byla ozna\u010dena za zastaralou ve verz\u00edch 8.2.0 a 8.0.23).\n<li class=\"l\"> Do klientsk\u00e9 C knihovny byla p\u0159id\u00e1na mo\u017enost pou\u017e\u00edv\u00e1n\u00ed pojmenovan\u00fdch atribut\u016f v parametrizovan\u00fdch dotazech (prepared statement), realizovan\u00fdch pomoc\u00ed nov\u00e9 funkce mysql_stmt_bind_named_param(), kter\u00e1 nahradila funkci mysql_stmt_bind_param().\n<li class=\"l\"> Bylo zjednodu\u0161en\u00e9 rozd\u011blen\u00ed SQL provozu v clusteru MySQL server\u016f. Byly poskytnuty mo\u017enosti pro organizaci transparentn\u00edch p\u0159ipojen\u00ed pro aplikace k sekund\u00e1rn\u00edm nebo prim\u00e1rn\u00edm server\u016fm.\n<li class=\"l\"> Byl p\u0159id\u00e1n nov\u00fd opr\u00e1vn\u011bn\u00ed SET_ANY_DEFINER, kter\u00e1 poskytuje pr\u00e1vo vytv\u00e1\u0159et objekty s v\u00fdrazem DEFINER, a tak\u00e9 opr\u00e1vn\u011bn\u00ed ALLOW_NONEXISTENT_DEFINER pro ochranu objekt\u016f s chyb\u011bj\u00edc\u00edm vlastn\u00edkem.\n<li class=\"l\"> Byly ozna\u010deny jako zastaral\u00e9: prom\u011bnn\u00e9 old a new, masky \u201e%\u201c a \u201e_\u201c v operac\u00edch poskytov\u00e1n\u00ed p\u0159\u00edstupu k datab\u00e1zi, volba \u201e--character-set-client-handshake\u201c, prom\u011bnn\u00e1 binlog_transaction_dependency_tracking a pr\u00e1vo SET_USER_ID.\n<li class=\"l\"> V r\u00e1mci \u00fapravy nepoli\u00adticky korektn\u00ed terminologie spojen\u00e9 s replikac\u00ed byly prohl\u00e1\u0161eny za zastaral\u00e9 v\u00fdrazy \u201eRESET MASTER\u201c, \u201eSHOW MASTER STATUS\u201c, \u201eSHOW MASTER LOGS\u201c a \u201ePURGE MASTER LOGS\u201c, m\u00edsto kter\u00fdch je t\u0159eba pou\u017e\u00edt v\u00fdrazy \u201eRESET BINARY LOGS AND GTIDS\u201c, \u201eSHOW BINARY LOG STATUS\u201c, \u201eSHOW BINARY LOGS\u201c a \u201ePURGE BINARY LOGS\u201c.\n<li class=\"l\"> Byly odstran\u011bny funkce, kter\u00e9 byly d\u0159\u00edve prohl\u00e1\u0161eny za zastaral\u00e9: funkce WAIT_UNTIL_SQL_THREAD_AFTER_GTIDS(), prom\u011bnn\u00e1 expire_logs_days, mo\u017enosti \u201e--abort-slave-event-count\u201c a \u201e--disconnect-slave-event-count\u201c.\n<li class=\"l\"> Bylo odstran\u011bno 26 zranitelnost\u00ed. Dv\u011b zranitelnosti spojen\u00e9 s pou\u017e\u00edv\u00e1n\u00edm bal\u00ed\u010dku Curl a knihovny OpenSSL mohou b\u00fdt zneu\u017eity na d\u00e1lku.      <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59995\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043b\u0430 \u043d\u043e\u0432\u0443\u044e \u0432\u0435\u0442\u043a\u0443 \u0421\u0423\u0411\u0414 MySQL 8.2 \u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f MySQL 8.0.35 \u0438 5.7.44. \u0421\u0431\u043e\u0440\u043a\u0438 MySQL Community Server 8.2.0 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u044b \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0445 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u043e\u0432 Linux, FreeBSD, macOS \u0438 Windows. MySQL 8.2.0 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432\u0442\u043e\u0440\u044b\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u043c, \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043d\u043e\u0432\u043e\u0439 \u043c\u043e\u0434\u0435\u043b\u0438 \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0435\u043b\u0438\u0437\u043e\u0432, \u043f\u0440\u0435\u0434\u0443\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u044e\u0449\u0435\u0439 \u043d\u0430\u043b\u0438\u0447\u0438\u0435 \u0434\u0432\u0443\u0445 \u0442\u0438\u043f\u043e\u0432 \u0432\u0435\u0442\u043e\u043a MySQL &#8212; &#171;Innovation&#187; \u0438 &#171;LTS&#187;. \u0412\u0435\u0442\u043a\u0438 Innovation, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-111102","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oracle \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043b\u0430 \u043d\u043e\u0432\u0443\u044e \u0432\u0435\u0442\u043a\u0443 \u0421\u0423\u0411\u0414 MySQL 8.2 \u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f MySQL 8.0.35 \u0438 5.7.44.\" \/>\n\t<meta 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