{"id":116050,"date":"2024-05-24T08:59:21","date_gmt":"2024-05-24T06:59:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-subd-sqlite-3-46"},"modified":"2024-05-24T08:59:21","modified_gmt":"2024-05-24T06:59:21","slug":"vypusk-subd-sqlite-3-46","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-subd-sqlite-3-46","title":{"rendered":"Lan\u00e7amento do SGBD SQLite 3.46","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi lan\u00e7ado o SQLite 3.46, um SGBD leve apresentado como uma biblioteca plug\u00e1vel. O c\u00f3digo do SQLite \u00e9 distribu\u00eddo como dom\u00ednio p\u00fablico, ou seja, pode ser utilizado sem restri\u00e7\u00f5es e gratuitamente para qualquer finalidade. O suporte financeiro aos desenvolvedores do SQLite \u00e9 fornecido por um cons\u00f3rcio criado especificamente.     <\/p>\n<p>Principais mudan\u00e7as:  <\/p>\n<ul>\n<li class=\"l\"> Foi possibilitado o uso do s\u00edmbolo de separa\u00e7\u00e3o \u2018_\u2019 em n\u00fameros para uma representa\u00e7\u00e3o mais clara de literais num\u00e9ricos (por exemplo, 1_234_567).\n<li class=\"l\"> Adicionada a fun\u00e7\u00e3o SQL json_pretty() para gerar uma sa\u00edda mais leg\u00edvel em formato JSON, formatada com blocos indentados.\n<li class=\"l\"> As funcionalidades da opera\u00e7\u00e3o \u2018PRAGMA optimize\u2019 foram expandidas, que otimiza o banco de dados e todos os esquemas de dados para alcan\u00e7ar o melhor desempenho nas consultas. Foi implementado um limite autom\u00e1tico para a dura\u00e7\u00e3o da an\u00e1lise do banco de dados, excluindo tempos de processamento excessivamente longos para grandes bancos de dados. Foi adicionada uma nova m\u00e1scara de bits \u2018PRAGMA optimize(0x10000)\u2019 para verifica\u00e7\u00e3o separada de atualiza\u00e7\u00f5es em todas as tabelas. Garantido o rean\u00e1lise autom\u00e1tica de tabelas que n\u00e3o possuem registros sqlite_stat1.\n<li class=\"l\"> Suporte adicionado para as substitui\u00e7\u00f5es %G, %g, %U e %V na fun\u00e7\u00e3o SQL strftime().\n<li class=\"l\"> Na fun\u00e7\u00e3o SQL para manipula\u00e7\u00e3o de datas e horas, novos modificadores ceiling e floor foram adicionados para controlar o tratamento de datas amb\u00edguas, que surgem em opera\u00e7\u00f5es de deslocamento de datas por um certo n\u00famero de meses ou anos. Implementado o ignore dos modificadores utc e localtime, se o SQLite souber que o tempo j\u00e1 est\u00e1 em representa\u00e7\u00e3o UTC ou localtime.\n<li class=\"l\"> Foram feitas otimiza\u00e7\u00f5es no planejador de consultas. Para express\u00f5es INSERT que cont\u00eam milhares de valores na se\u00e7\u00e3o VALUES, a otimiza\u00e7\u00e3o \u2018VALUES-as-coroutine\u2019 est\u00e1 habilitada por padr\u00e3o, permitindo que a an\u00e1lise de tais express\u00f5es seja aproximadamente duas vezes mais r\u00e1pida e reduzindo o consumo de mem\u00f3ria pela metade. Para consultas do tipo \u2018SELECT count(DISTINCT col) FROM ...\u2019 \u00e9 permitido o uso de \u00edndices, mesmo que o tamanho dos registros no \u00edndice n\u00e3o seja menor que o dos registros na tabela. A l\u00f3gica para determinar situa\u00e7\u00f5es onde constantes s\u00e3o passadas como argumentos nas fun\u00e7\u00f5es SQL foi aprimorada. Foi garantida a aplica\u00e7\u00e3o da otimiza\u00e7\u00e3o push-down para express\u00f5es WHERE que cont\u00eam subconsultas desconexas.\n<li class=\"l\"> A l\u00f3gica de tratamento de estouro de pilha foi alterada \u2014 ao detectar falta de mem\u00f3ria para a pilha, o parser agora tenta alocar mem\u00f3ria adicional da heap, em vez de gerar um erro \u2018parser stack overflow\u2019.\n<li class=\"l\"> Em JSON, \u00e9 permitido indicar caracteres de controle em literais de string JSON5. A l\u00f3gica de opera\u00e7\u00e3o dos operadores \u2018-&gt;\u2019 e \u2018-&gt;&gt;\u2019 foi alterada, de modo que, quando o operando da string \u00e0 direita cont\u00e9m apenas d\u00edgitos, esses operandos agora s\u00e3o tratados como strings, similar ao PostgreSQL.\n<li class=\"l\"> \u00c9 permitido especificar grandes literais hexadecimais no valor DEFAULT em colunas de tabelas.      <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61238\">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 3.46, \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: \u041f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u0447\u0438\u0441\u043b\u0430\u0445 \u0440\u0430\u0437\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f &#171;_&#187; \u0434\u043b\u044f \u0431\u043e\u043b\u0435\u0435 \u043d\u0430\u0433\u043b\u044f\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0447\u0438\u0441\u043b\u043e\u0432\u044b\u0445 \u043b\u0438\u0442\u0435\u0440\u0430\u043b\u043e\u0432 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, 1_234_567). \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 [&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-116050","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=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 SQLite 3.46, \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.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-subd-sqlite-3-46\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"pt_PT\" \/>\n\t\t<meta property=\"og:site_name\" content=\"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\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a \u0421\u0423\u0411\u0414 SQLite 3.46 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 SQLite 3.46, \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.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-subd-sqlite-3-46\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-05-24T06:59:21+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-05-24T06:59:21+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Lan\u00e7amento do SGBD SQLite 3.46 | ProHoster","description":"Foi lan\u00e7ado o SQLite 3.46, um SGBD leve, fornecido como uma biblioteca conect\u00e1vel. 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