{"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\/no\/blog\/news\/vypusk-subd-sqlite-3-51","title":{"rendered":"Utgivelsen av SQLite DB 3.51","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Utgivelsen av SQLite 3.51 er publisert, en lettvekts DB som er tilgjengelig som en tilkoblingsbibliotek. Koden til SQLite distribueres som offentlig eiendom (public domain), dvs. den kan brukes uten begrensninger og gratis til enhver hensikt. Den finansielle st\u00f8tten til SQLite-utviklerne gis av et spesielt opprettet konsortium.     <\/p>\n<p>Hovedendringer:  <\/p>\n<ul>\n<li class=\"l\"> Nye JSON-funksjoner jsonb_each() og jsonb_tree() er lagt til, som skiller seg fra de tidligere tilgjengelige funksjonene json_each() og json_tree() ved at de returnerer JSONB-verdi for data med type array eller objekt.\n<li class=\"l\"> Utvidelseskoden carray og percentile er flyttet til den grunnleggende filen \u00absqlite3.c\u00bb med innebygd SQLite-kode. Som standard er disse tilleggene deaktivert og krever spesifikasjonen av parameterne \u00ab-DSQLITE_ENABLE_CARRAY\u00bb og \u00ab-DSQLITE_ENABLE_PERCENTILE\u00bb ved bygging.\n<li class=\"l\"> Grensesnittet for \u00e5 bruke SQLite i Tcl-skript er forbedret. Flagget \u00ab-asdict\u00bb er lagt til kommandoen \u00abeval\u00bb for \u00e5 returnere strenger ved hjelp av typen \u00abdict\u00bb i stedet for \u00abarray\u00bb. Muligheten for \u00e5 avbryte brukerdefinerte funksjoner for \u00e5 returnere verdien NULL er ogs\u00e5 lagt til.\n<li class=\"l\"> Endringer i kommandolinjegrensesnittet:\n<ul>\n<li class=\"l\"> N\u00f8yaktigheten til kommandoen \u00ab.timer\u00bb er \u00f8kt til mikrosekunder.\n<li class=\"l\"> I formatteringsmodusene \u00abbox\u00bb og \u00abcolumn\u00bb er det lagt til st\u00f8tte for tegn med dobbel bredde.\n<li class=\"l\"> Kommandoen \u00ab.imposter\u00bb kan n\u00e5 gi tilgang til imposter-tabeller i lesemodus (som gir tilgang til data i indeksen som en tabell), jobbe med VACUUM-operasjonen og krever ikke \u00e5 kj\u00f8re med flagget \u00ab--unsafe-testing\u00bb.\n<li class=\"l\"> Alternativet \u00ab--ifexists\u00bb er lagt til sqlite-verkt\u00f8yet og kommandoen \u00ab.open\u00bb.\n<li class=\"l\"> Den maksimale bredden av strengen som settes med kommandoen \u00ab.width\u00bb er begrenset til 30000 tegn.   <\/ul>\n<li class=\"l\"> Ytelsesoptimaliseringer er gjennomf\u00f8rt:\n<ul>\n<li class=\"l\"> Redusert CPU-belastning ved fiksering av transaksjoner begrenset til lesetilgang;\n<li class=\"l\"> Forbedret gjenkjenning av sammenf\u00f8yningsoperasjoner (JOIN) som ikke returnerer rader fordi en eller flere tabeller ikke inneholder rader;\n<li class=\"l\"> Utf\u00f8ringen av skalar underforesp\u00f8rsel som ikke p\u00e5virker resultatet er utelatt;\n<li class=\"l\"> Ytelsen til vindusfunksjoner i foresp\u00f8rslene med uttrykket \u00abBETWEEN \ud83d\ude21 FOLLOWING AND :y FOLLOWING\u00bb med veldig stor verdi for \u00ab:y\u00bb er akselerert.   <\/ul>\n<li class=\"l\"> Pragma \u00abPRAGMA wal_checkpoint=NOOP\u00bb og funksjonen API sqlite3_wal_checkpoint() er lagt til for \u00e5 fikse endringer i WAL-loggen.\n<li class=\"l\"> Det er lagt til API-funksjoner sqlite3_set_errmsg() og sqlite3_db_status64().\n<li class=\"l\"> I JavaScript\/WASM-versjonen av SQLite er st\u00f8tte for bygging til WebAssembly-visning med 64-bits pekere implementert.\n<li class=\"l\"> \u00d8kt motstand mot databasedefekter i applikasjoner som bruker POSIX-l\u00e5s ved \u00e5 kalle close().\n<li class=\"l\"> Forbedret st\u00f8tte for plattformen VxWorks.      <\/ul>\n<p>Kilde: <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 5.0.5 - 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