{"id":102412,"date":"2021-11-28T09:36:50","date_gmt":"2021-11-28T07:36:50","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-sqlite-3-37"},"modified":"2021-11-28T09:36:50","modified_gmt":"2021-11-28T07:36:50","slug":"vypusk-subd-sqlite-3-37","status":"publish","type":"post","link":"https:\/\/prohoster.info\/lv\/blog\/news\/vypusk-subd-sqlite-3-37","title":{"rendered":"Izlaista SQLite 3.37 datu b\u0101zu p\u0101rvald\u012bbas sist\u0113ma","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ir public\u0113ts SQLite 3.37, viegls datub\u0101zu p\u0101rvald\u012bbas sist\u0113mas (DBMS) atbr\u012bvojums, kas pieejams k\u0101 pievienojamu bibliot\u0113ku. SQLite kods tiek izplat\u012bts k\u0101 publiskais \u012bpa\u0161ums (public domain), t.i., to var izmantot bez ierobe\u017eojumiem un bez maksas jebkur\u0101m vajadz\u012bb\u0101m. SQLite izstr\u0101d\u0101t\u0101jus finans\u0113 speci\u0101li izveidota konsorcijs, kur\u0101 iek\u013cautas t\u0101das komp\u0101nijas k\u0101 Adobe, Oracle, Mozilla, Bentley un Bloomberg.     <\/p>\n<p>Galven\u0101s izmai\u0146as:  <\/p>\n<ul>\n<li class=\"l\"> Pievienota atbalsts tabulu izveido\u0161anai ar &#171;STRICT&#187; paz\u012bmi, kas prasa oblig\u0101tu tipu nor\u0101d\u012b\u0161anu kolonu deklar\u0113\u0161an\u0101 un veic stingru tipu datu atbilst\u012bbas p\u0101rbaudi, kas pievienoti kolonn\u0101m. Iestatot \u0161o karodzi\u0146u, SQLite izvad\u012bs k\u013c\u016bdu, ja nor\u0101d\u012btos datus nav iesp\u0113jams p\u0101rv\u0113rst kolonnas tip\u0101. Piem\u0113ram, ja kolonna ir izveidota k\u0101 &#171;INTEGER&#187;, tad virkn\u0113juma v\u0113rt\u012bba &#8216;123&#8217; tiks pievienota k\u0101 skaitlis 123, bet m\u0113\u0123in\u0101jums nor\u0101d\u012bt &#8216;xyz&#8217; beigsies ar k\u013c\u016bdu.\n<li class=\"l\"> Oper\u0101cij\u0101 &#171;ALTER TABLE ADD COLUMN&#187; pievienota nosac\u012bjumu p\u0101rbaude eso\u0161o rindu esam\u012bbai, pievienojot kolonnas ar &#171;CHECK&#187; izteiksm\u0113m vai &#171;NOT NULL&#187; nosac\u012bjumiem.\n<li class=\"l\"> Realiz\u0113ta izteiksme &#171;PRAGMA table_list&#187; tabulu un skatu inform\u0101cijas izvadei.\n<li class=\"l\"> Komandrindas saskarn\u0113 ieviesta komanda &#171;.connection&#187;, kas \u013cauj vienlaikus uztur\u0113t vair\u0101kas savienojumus ar datub\u0101zi.\n<li class=\"l\"> Pievienots parametrs &#171;&#8212;safe&#187;, kas atsp\u0113jo CLI komandas un SQL izteiksmes, kas \u013cauj veikt oper\u0101cijas ar datub\u0101zes failiem, kas at\u0161\u0137iras no nor\u0101d\u012bt\u0101s komandrind\u0101.\n<li class=\"l\"> CLI tika optimiz\u0113ta SQL izteiksmju las\u012b\u0161anas veiktsp\u0113ja, ja t\u0101s tiek sadal\u012btas vair\u0101k\u0101s rind\u0101s.\n<li class=\"l\"> Tika pievienotas funkcijas sqlite3_autovacuum_pages(), sqlite3_changes64() un sqlite3_total_changes64().\n<li class=\"l\"> Vaic\u0101jumu pl\u0101not\u0101j\u0101 nodro\u0161in\u0101ta &#171;ORDER BY&#187; izteiksmju ignor\u0113\u0161ana apak\u0161vaic\u0101jumos un skat\u012bjumu k\u013c\u016bdas gad\u012bjum\u0101, ja \u0161o izteiksmju iz\u0146em\u0161ana nemaina vaic\u0101juma semantiku.\n<li class=\"l\"> Main\u012bts izteiksmju generate_series(START,END,STEP) papla\u0161in\u0101jums, kuram pirmais parametrs (&#171;START&#187;) p\u0101rv\u0113rsts par oblig\u0101tu. Lai atjaunotu veco uzved\u012bbu, iesp\u0113jama p\u0101rkompil\u0113\u0161ana ar opciju &#171;-DZERO_ARGUMENT_GENERATE_SERIES&#187;.\n<li class=\"l\"> Samazin\u0101ta atmi\u0146as pat\u0113ri\u0146\u0161 datub\u0101zes sh\u0113mas glab\u0101\u0161anai.    <\/ul>\n<p>Avots: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56244\">opennet.lv<\/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 3.37, \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: \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0442\u0430\u0431\u043b\u0438\u0446 [&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-102412","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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