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{"id":522,"date":"2011-08-19T16:45:00","date_gmt":"2011-08-19T19:45:00","guid":{"rendered":"https:\/\/devtools.com.br\/blog\/funcao-para-formatar-datas-no-mysql\/"},"modified":"2022-08-01T08:01:44","modified_gmt":"2022-08-01T11:01:44","slug":"funcao-para-formatar-datas-no-mysql","status":"publish","type":"post","link":"https:\/\/devtools.com.br\/blog\/funcao-para-formatar-datas-no-mysql\/","title":{"rendered":"Fun\u00e7\u00e3o para Formatar Datas no MySQL"},"content":{"rendered":"\n<p>Como \u00e9 de conhecimento de todos, o MySQL salva as informa\u00e7\u00f5es do tipo Data no formato YYYY-MM-DD (Ano, M\u00eas e Dia).<\/p>\n\n\n\n<p>Eu considero apresentar datas neste formato uma coisa bem polu\u00edda, e sempre dou prefer\u00eancia de converte-la antes da apresenta\u00e7\u00e3o em tela.<\/p>\n\n\n\n<p>Para fazer a convers\u00e3o podemos utilizar a fun\u00e7\u00e3o <a href=\"http:\/\/dev.mysql.com\/doc\/refman\/5.5\/en\/date-and-time-functions.html#function_date-format\">date_format<\/a> do MySQL, por\u00e9m a todo momento escrever a fun\u00e7\u00e3o \u00e9 um tanto quanto chato.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div id=\"denakop-ad-horizontal-1\">\n<script type=\"9efebc54af0f6d4ea3792570-text\/javascript\">\n     denakop.cmd.push(function () {\n        denakop.displayAd({\n           divId: \"denakop-ad-horizontal-1\",\n           name: \"horizontal\",\n           refresh: 30,\n        });\n     });\n   <\/script>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>Para resolver isto usamos&nbsp;o conceito de <a href=\"http:\/\/pt.wikipedia.org\/wiki\/Orienta%C3%A7%C3%A3o_a_objetos\">Orienta\u00e7\u00e3o a Objeto,<\/a> desenvolvendo uma fun\u00e7\u00e3o que ir\u00e1 fazer a convers\u00e3o, e sempre que necess\u00e1rio, ao inv\u00e9s de escrever o c\u00f3digo, chamamos a fun\u00e7\u00e3o.<\/p>\n\n\n\n<p>Vamos ao exemplo:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code> Delimiter $  \n Drop Function If Exists 'fun_conv_data'$  \n Create Function 'fun_conv_data'(p_data timestamp) Returns varchar(20) Charset utf8  \n    Begin  \n      Declare l_ret varchar(20);  \n         Set l_ret = (Select date_format(p_data, '%d\/%m\/%y %k:%i:%s'));  \n      Return l_ret;  \n End$  \n<\/code><\/pre>\n\n\n\n<p>Ap\u00f3s criada, somente realizamos a chamada.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code> Select fun_conv_data(now());  <\/code><\/pre>\n\n\n\n<p>Podemos realizar v\u00e1rias deriva\u00e7\u00f5es desta fun\u00e7\u00e3o, apresentado por exemplo a data por extenso.<\/p>\n\n\n\n<p>Abra\u00e7os e at\u00e9 a pr\u00f3xima.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Como \u00e9 de conhecimento de todos, o MySQL salva as informa\u00e7\u00f5es do tipo Data no formato YYYY-MM-DD (Ano, M\u00eas e Dia). Eu considero apresentar datas neste formato uma coisa bem polu\u00edda, e sempre dou prefer\u00eancia de converte-la antes da apresenta\u00e7\u00e3o em tela. Para fazer a convers\u00e3o podemos utilizar a fun\u00e7\u00e3o date_format do MySQL, por\u00e9m a &#8230; <a title=\"Fun\u00e7\u00e3o para Formatar Datas no MySQL\" class=\"read-more\" href=\"https:\/\/devtools.com.br\/blog\/funcao-para-formatar-datas-no-mysql\/\" aria-label=\"More on Fun\u00e7\u00e3o para Formatar Datas no MySQL\">Ler mais<\/a><\/p>\n","protected":false},"author":1,"featured_media":849,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[272,49],"tags":[],"class_list":["post-522","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-banco-de-dados","category-mysql"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fun\u00e7\u00e3o para Formatar Datas no MySQL<\/title>\n<meta name=\"description\" content=\"Crie sua pr\u00f3pria fun\u00e7\u00e3o para formatar as datas do seu banco de dados MySQL, deixando-as no formato brasileiro.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/devtools.com.br\/blog\/funcao-para-formatar-datas-no-mysql\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fun\u00e7\u00e3o para Formatar Datas no MySQL\" \/>\n<meta property=\"og:description\" content=\"Crie sua pr\u00f3pria fun\u00e7\u00e3o para formatar as datas do seu banco de dados MySQL, deixando-as no formato brasileiro.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/devtools.com.br\/blog\/funcao-para-formatar-datas-no-mysql\/\" \/>\n<meta property=\"og:site_name\" content=\"Devtools\" \/>\n<meta property=\"article:published_time\" content=\"2011-08-19T19:45:00+00:00\" \/>\n<meta property=\"article:modified_time\" 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