{"id":105659,"date":"2022-11-21T15:36:52","date_gmt":"2022-11-21T13:36:52","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-sqlite-3-40"},"modified":"2022-11-21T15:36:52","modified_gmt":"2022-11-21T13:36:52","slug":"vypusk-subd-sqlite-3-40","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-subd-sqlite-3-40","title":{"rendered":"Vydanie datab\u00e1zov\u00e9ho syst\u00e9mu SQLite 3.40","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bol vydan\u00fd release SQLite 3.40, \u013eahk\u00e9ho DBMS, ktor\u00fd je dod\u00e1van\u00fd ako pripojite\u013en\u00e1 kni\u017enica. K\u00f3d SQLite je k dispoz\u00edcii ako verejn\u00e9 vlastn\u00edctvo (public domain), t.j. m\u00f4\u017ee by\u0165 pou\u017e\u00edvan\u00fd bez obmedzen\u00ed a bezplatne na ak\u00e9ko\u013evek \u00fa\u010dely. Finan\u010dn\u00fa podporu pre v\u00fdvoj\u00e1rov SQLite poskytuje osobitne vytvoren\u00fd konzorcium, do ktor\u00e9ho patria tak\u00e9 spolo\u010dnosti ako Adobe, Oracle, Mozilla, Bentley a Bloomberg.     <\/p>\n<p>Hlavn\u00e9 zmeny:  <\/p>\n<ul>\n<li class=\"l\"> Implementovan\u00e1 experiment\u00e1lna mo\u017enos\u0165 kompil\u00e1cie SQLite do medzicorpov\u00e9ho k\u00f3du WebAssembly, schopn\u00e9ho be\u017ea\u0165 v webovom prehliada\u010di a vhodn\u00e9ho na pr\u00e1cu s datab\u00e1zami z webov\u00fdch aplik\u00e1ci\u00ed v jazyku JavaScript. Webov\u00fdm v\u00fdvoj\u00e1rom je poskytnut\u00fd vysoko\u00farov\u0148ov\u00fd objektovo-orientovan\u00fd rozhranie na pr\u00e1cu s \u00fadajmi v \u0161t\u00fdle sql.js alebo Node.js, obal nad n\u00edzko\u00farov\u0148ov\u00fdm C API a API zalo\u017een\u00e9 na mechanizme Web Worker, umo\u017e\u0148uj\u00face vytv\u00e1ra\u0165 asynchr\u00f3nne spracovate\u013eov, vykon\u00e1van\u00e9 v samostatn\u00fdch vl\u00e1knach. \u00dadaje, ktor\u00e9 webov\u00e9 aplik\u00e1cie ukladaj\u00fa vo WASM-verzii SQLite, m\u00f4\u017eu by\u0165 ulo\u017een\u00e9 na strane klienta pomocou OPFS (Origin-Private FileSystem) alebo API window.localStorage.\n<li class=\"l\"> Pridan\u00e9 roz\u0161\u00edrenie recovery, ur\u010den\u00e9 na obnovenie \u00fadajov z po\u0161koden\u00fdch s\u00faborov s datab\u00e1zou. V pr\u00edkazovom riadku na obnovenie sa pou\u017e\u00edva pr\u00edkaz &#171;.recover&#187;.\n<li class=\"l\"> Zlep\u0161en\u00e1 \u010dinnos\u0165 pl\u00e1nova\u010da dopytov. Odstr\u00e1nen\u00e9 obmedzenia pri pou\u017e\u00edvan\u00ed indexov s tabu\u013ekami, ktor\u00e9 maj\u00fa viac ako 63 st\u013apcov (predt\u00fdm pri oper\u00e1ci\u00e1ch so st\u013apcami, ktor\u00fdch poradov\u00e9 \u010d\u00edslo presahovalo 63, sa indexovanie neuplat\u0148ovalo). Zlep\u0161en\u00e9 indexovanie hodn\u00f4t pou\u017e\u00edvaj\u00facich sa vo v\u00fdrazoch. Zastaven\u00e9 na\u010d\u00edtanie z disku ve\u013ek\u00fdch re\u0165azcov a blobov pri spracovan\u00ed oper\u00e1torov NOT NULL a IS NULL. Vyl\u00fa\u010den\u00e1 materializ\u00e1cia poh\u013eadov, pre ktor\u00e9 sa pln\u00e9 skenovanie vykon\u00e1va len raz.\n<li class=\"l\"> V k\u00f3dovej b\u00e1ze namiesto typu &#171;char *&#187; na reprezent\u00e1ciu mien s\u00faborov bol pou\u017eit\u00fd samostatn\u00fd typ sqlite3_filename.\n<li class=\"l\"> Pridan\u00e1 vn\u00fatorn\u00e1 funkcia sqlite3_value_encoding().\n<li class=\"l\"> Pridan\u00fd re\u017eim SQLITE_DBCONFIG_DEFENSIVE, zakazuj\u00faci zmenu verzie sch\u00e9my ukladania \u00fadajov.\n<li class=\"l\"> Do implement\u00e1cie parametra &#171;PRAGMA integrity_check&#187; boli pridan\u00e9 \u010fal\u0161ie kontroly. Napr\u00edklad tabu\u013eky bez znaku STRICT by nemali obsahova\u0165 \u010d\u00edseln\u00e9 hodnoty v st\u013apcoch s typom TEXT a re\u0165azcov\u00e9 hodnoty s \u010d\u00edslami v st\u013apcoch s typom NUMERIC. Taktie\u017e bola pridan\u00e1 kontrola spr\u00e1vnosti poradia riadkov v tabu\u013ek\u00e1ch s ozna\u010den\u00edm &#171;WITHOUT ROWID&#187;.\n<li class=\"l\"> Vo v\u00fdraze &#171;VACUUM INTO&#187; boli zoh\u013eadnen\u00e9 nastavenia &#171;PRAGMA synchronous&#187;.\n<li class=\"l\"> Pridan\u00e1 mo\u017enos\u0165 skladania SQLITE_MAX_ALLOCATION_SIZE, ktor\u00e1 umo\u017e\u0148uje obmedzi\u0165 ve\u013ekos\u0165 blokov pri distrib\u00facii pam\u00e4te.\n<li class=\"l\"> Vstavan\u00fd algoritmus generovania pseudon\u00e1hodn\u00fdch \u010d\u00edsel v SQLite bol prebiehnut\u00fd z pou\u017e\u00edvania pr\u00fadov\u00e9ho \u0161ifrovacieho algoritmu RC4 na Chacha20.\n<li class=\"l\"> Bola povolen\u00e1 pou\u017eitie indexov s rovnak\u00fdmi menami v r\u00f4znych sch\u00e9mach \u00fadajov.\n<li class=\"l\"> Boli implementovan\u00e9 optimaliz\u00e1cie v\u00fdkonnosti, ktor\u00e9 zn\u00ed\u017eili z\u00e1\u0165a\u017e procesora pribli\u017ene o 1% pri typickej aktivite.      <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58162\">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 \u0440\u0435\u043b\u0438\u0437 SQLite 3.40, \u043b\u0435\u0433\u043a\u043e\u0432\u0435\u0441\u043d\u043e\u0439 \u0421\u0423\u0411\u0414, \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0439 \u0432 \u0432\u0438\u0434\u0435 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u043c\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438. \u041a\u043e\u0434 SQLite \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0435 \u0434\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 (public domain), \u0442.\u0435. \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0431\u0435\u0437 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0439 \u0438 \u0431\u0435\u0437\u0432\u043e\u0437\u043c\u0435\u0437\u0434\u043d\u043e \u0432 \u043b\u044e\u0431\u044b\u0445 \u0446\u0435\u043b\u044f\u0445. \u0424\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u0443\u044e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 SQLite \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0439 \u043a\u043e\u043d\u0441\u043e\u0440\u0446\u0438\u0443\u043c, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u0445\u043e\u0434\u044f\u0442 \u0442\u0430\u043a\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438, \u043a\u0430\u043a Adobe, Oracle, Mozilla, Bentley \u0438 Bloomberg. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0420\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u0430\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438 [&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-105659","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - 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K\u00f3d SQLite sa \u0161\u00edri ako verejn\u00e9 vlastn\u00edctvo (public domain), t.j.","canonical_url":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-subd-sqlite-3-40","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sk_SK","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a \u0421\u0423\u0411\u0414 SQLite 3.40 | ProHoster","og:description":"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 SQLite 3.40, \u043b\u0435\u0433\u043a\u043e\u0432\u0435\u0441\u043d\u043e\u0439 \u0421\u0423\u0411\u0414, \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0439 \u0432 \u0432\u0438\u0434\u0435 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u043c\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438. \u041a\u043e\u0434 SQLite \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0435 \u0434\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 (public domain), \u0442.\u0435.","og:url":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-subd-sqlite-3-40","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2022-11-21T13:36:52+00:00","article:modified_time":"2022-11-21T13:36:52+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/posts\/105659","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/comments?post=105659"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/posts\/105659\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/media?parent=105659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/categories?post=105659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/tags?post=105659"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}