{"id":597,"date":"2022-05-26T15:09:46","date_gmt":"2022-05-26T15:09:46","guid":{"rendered":"https:\/\/www.josejavierfm.es\/blog\/?p=597"},"modified":"2022-05-26T15:09:46","modified_gmt":"2022-05-26T15:09:46","slug":"actualizar-campo-tabla-mysql-por-orden-de-otra-columna","status":"publish","type":"post","link":"https:\/\/www.josejavierfm.es\/blog\/2022\/05\/26\/actualizar-campo-tabla-mysql-por-orden-de-otra-columna\/","title":{"rendered":"actualizar campo tabla mysql por orden de otra columna"},"content":{"rendered":"<p>Si despues de tener una tabla queremos a\u00f1adir una columna para indicar un orden, podemos actualizarla tabla usando update con inner join<\/p>\n<blockquote><p>UPDATE<br \/>\ntabla YT<br \/>\nINNER JOIN<br \/>\n(SELECT<br \/>\nid,<br \/>\n@rowNumber := @rowNumber + 1 AS rn<br \/>\nFROM tabla , (SELECT @rowNumber := 0) var<br \/>\nwhere campofiltro=4<br \/>\nORDER BY id ASC<br \/>\n) AS t<br \/>\nON YT.id = t.id<br \/>\nSET YT.nuevacolumna = t.rn where campofiltro=4<\/p><\/blockquote>\n\n<div class=\"twitter-share\"><a href=\"https:\/\/twitter.com\/intent\/tweet?via=josejavierfm\" class=\"twitter-share-button\">Twittear<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Si despues de tener una tabla queremos a\u00f1adir una columna para indicar un orden, podemos actualizarla tabla usando update con inner join UPDATE tabla YT INNER JOIN (SELECT id, @rowNumber := @rowNumber + 1 AS rn FROM tabla , (SELECT @rowNumber := 0) var where campofiltro=4 ORDER BY id ASC ) AS t ON YT.id [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[],"_links":{"self":[{"href":"https:\/\/www.josejavierfm.es\/blog\/wp-json\/wp\/v2\/posts\/597"}],"collection":[{"href":"https:\/\/www.josejavierfm.es\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.josejavierfm.es\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.josejavierfm.es\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.josejavierfm.es\/blog\/wp-json\/wp\/v2\/comments?post=597"}],"version-history":[{"count":1,"href":"https:\/\/www.josejavierfm.es\/blog\/wp-json\/wp\/v2\/posts\/597\/revisions"}],"predecessor-version":[{"id":598,"href":"https:\/\/www.josejavierfm.es\/blog\/wp-json\/wp\/v2\/posts\/597\/revisions\/598"}],"wp:attachment":[{"href":"https:\/\/www.josejavierfm.es\/blog\/wp-json\/wp\/v2\/media?parent=597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.josejavierfm.es\/blog\/wp-json\/wp\/v2\/categories?post=597"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.josejavierfm.es\/blog\/wp-json\/wp\/v2\/tags?post=597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}