{"id":147391,"date":"2025-11-05T17:11:54","date_gmt":"2025-11-05T15:11:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-sqlite-3-51"},"modified":"2025-11-05T17:11:54","modified_gmt":"2025-11-05T15:11:54","slug":"vypusk-subd-sqlite-3-51","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/vypusk-subd-sqlite-3-51","title":{"rendered":"SQLite andmebaasi 3.51 v\u00e4ljalaskmine","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ilmus SQLite 3.51 versioon, kergekaaluline andmebaasi haldamise s\u00fcsteem, mis on esitatud kui seotud teek. SQLite kood on avalik omand, st seda v\u00f5ib kasutada piiranguteta ja tasuta k\u00f5igil eesm\u00e4rkidel. SQLite arendajatele pakub finantsilist toetust spetsiaalselt loodud konsortsium.     <\/p>\n<p>Peamised muudatused:  <\/p>\n<ul>\n<li class=\"l\"> Lisatud on uued JSON-funktsioonid jsonb_each() ja jsonb_tree(), mis erinevad varasematest funktsioonidest json_each() ja json_tree(), kuna need tagastavad JSONB v\u00e4\u00e4rtuse massiivi- v\u00f5i objektiandmete jaoks.\n<li class=\"l\"> Carray ja percentile laienduste kood on viidud p\u00f5hifaili &#171;sqlite3.c&#187; koos SQLite integreeritud koodiga. Lisafunktsioonid on vaikimisi keelatud ning nende lubamiseks tuleb kompileerimisparameetrites n\u00e4idata &#171;-DSQLITE_ENABLE_CARRAY&#187; ja &#171;-DSQLITE_ENABLE_PERCENTILE&#187;.\n<li class=\"l\"> Tcl keeles skriptide jaoks on t\u00e4iustatud SQLite kasutajaliidest. Komandile &#171;eval&#187; on lisatud lipp &#171;-asdict&#187;, et tagastada read t\u00fc\u00fcbiga &#171;dict&#187; asemel &#171;array&#187;. Kasutaja funktsioonide katkestamise v\u00f5imalus tagastades v\u00e4\u00e4rtuse NULL on n\u00fc\u00fcd olemas.\n<li class=\"l\"> Muudatused k\u00e4surea liideses:\n<ul>\n<li class=\"l\"> K\u00e4sku &#171;.timer&#187; on t\u00e4iendatud mikroskeemi t\u00e4psusega.\n<li class=\"l\"> Formaatimismoodulites &#171;box&#187; ja &#171;column&#187; on n\u00fc\u00fcd toetatud ka topeltlaiuse s\u00fcmboleid.\n<li class=\"l\"> K\u00e4sku &#171;.imposter&#187; saab n\u00fc\u00fcd lugeda imposter-tabeleid ainult lugemisre\u017eiimis (mis v\u00f5imaldab juurdep\u00e4\u00e4su indeksis olevatele andmetele nagu tabelile), t\u00f6\u00f6tades VACUUM operatsiooniga ja ilma &#171;&#8212;unsafe-testing&#187; liputa.\n<li class=\"l\"> sqlite utiliiti ja k\u00e4sku &#171;.open&#187; on lisatud valik &#171;&#8212;ifexists&#187;.\n<li class=\"l\"> K\u00e4sk &#171;.width&#187; seadistab maksimaalse rea laiusena 30000 t\u00e4hem\u00e4rki.   <\/ul>\n<li class=\"l\"> Sooritusv\u00f5ime optimeerimised on sisse viidud:\n<ul>\n<li class=\"l\"> Rohkem CPU koormust on v\u00e4hendatud lugemis\u00f5igusega piiratud tehingute fikseerimisel;\n<li class=\"l\"> Parandatud on sulandumisoperatsioonide (JOIN) m\u00e4\u00e4ratlemist, mis ei tagasta ridasid, kuna \u00fcks v\u00f5i mitu tabelit ei sisalda ridu;\n<li class=\"l\"> Eemaldatud on skalaarsed alamp\u00e4ringud, mis ei m\u00f5juta tulemusi;\n<li class=\"l\"> Aknafunktsioonide t\u00f6\u00f6tlemine p\u00e4ringutes v\u00e4ljendiga &#171;BETWEEN \ud83d\ude21 FOLLOWING AND :y FOLLOWING&#187; m\u00f5ningate v\u00e4ga suurte v\u00e4\u00e4rtustega &#171;:y&#187; on kiirem.   <\/ul>\n<li class=\"l\"> Lisatud pragmad &#171;PRAGMA wal_checkpoint=NOOP&#187; ja funktsioon API sqlite3_wal_checkpoint() WAL-logi muudatuste fikseerimiseks.\n<li class=\"l\"> API-sse on lisatud funktsioonid sqlite3_set_errmsg() ja sqlite3_db_status64().\n<li class=\"l\"> JavaScript\/WASM versioonis SQLite on toetatud WebAssembly pealeehitamist 64-bitiste pointerite kasutamisega.\n<li class=\"l\"> Suurenenud andmebaasi kahjustuste resistentsus rakendustes, mis eemaldavad POSIX-takistusi close() kutse kaudu.\n<li class=\"l\"> Parandatud VxWorks platvormi toetust.      <\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64186\">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 3.51, \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. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u043d\u043e\u0432\u044b\u0435 JSON-\u0444\u0443\u043d\u043a\u0446\u0438\u0438 jsonb_each() \u0438 jsonb_tree(), \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043e\u0442\u043b\u0438\u0447\u0430\u044e\u0442\u0441\u044f \u043e\u0442 \u0440\u0430\u043d\u0435\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 json_each() \u0438 json_tree() \u0442\u0435\u043c, [&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-147391","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - 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