{"id":1411,"date":"2021-03-27T23:08:59","date_gmt":"2021-03-27T15:08:59","guid":{"rendered":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=1411"},"modified":"2021-03-27T23:08:59","modified_gmt":"2021-03-27T15:08:59","slug":"mysql8-max-key-length-is-767-bytes","status":"publish","type":"post","link":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=1411","title":{"rendered":"mysql8 max key length is 767 bytes"},"content":{"rendered":"\n<p>\u7531\u4e8emysql8\u5220\u9664\u4e86innodb_large_prefix<\/p>\n\n\n\n<p>\u6240\u4ee5\u9700\u8981\u4f7f\u7528\u65b0\u7684\u65b9\u6cd5\u5904\u7406<\/p>\n\n\n\n<p>ALTER TABLE xxx ROW_FORMAT=DYNAMIC default charset utf8mb4;<\/p>\n\n\n\n<p>\u53e6\u5916\u9644\u4e0a\u4e00\u8d77\u4fee\u6539\u591a\u4e2a\u8868\u7684\u65b9\u6cd5<\/p>\n\n\n\n<p>SELECT CONCAT( &#8216;ALTER TABLE &#8216;, TABLE_NAME, &#8216; ROW_FORMAT=DYNAMIC default charset utf8mb4;&#8217; )<br>FROM information_schema.tables<br>WHERE table_schema = &#8216;xxx&#8217;<br>LIMIT 0 , 10000;<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u65b0\u5efa\u7684\u8bdd\u4f7f\u7528\u5982\u4e0b\u8bed\u53e5\uff1a\ncreate table xxl_job_registry\n (\n     id             int auto_increment\n         primary key,\n     registry_group varchar(50)  not null,\n     registry_key   varchar(255) not null,\n     registry_value varchar(255) not null,\n     update_time    datetime     null\n )ENGINE = InnoDB AUTO_INCREMENT = 1 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = DYNAMIC;\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u7531\u4e8emysql8\u5220\u9664\u4e86innodb_large_prefix \u6240\u4ee5\u9700\u8981\u4f7f\u7528\u65b0\u7684\u65b9\u6cd5\u5904\u7406 ALTER TABLE [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,12],"tags":[99,62],"_links":{"self":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1411"}],"collection":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1411"}],"version-history":[{"count":4,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1411\/revisions"}],"predecessor-version":[{"id":1415,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/1411\/revisions\/1415"}],"wp:attachment":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1411"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1411"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1411"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}