java – 来自Avro的字段警告消息的默认值无效?
发布时间:2020-12-15 04:24:43 所属栏目:Java 来源:网络整理
导读:我有一个像这样的avro架构,其中我将is_userid_present decalred为boolean,我想将默认值设为false,因此我提出了以下avro架构. { "type":"record","name":"hello","fields":[ { "name":"u","type":[ "string","null" ] },{ "name":"p","type":"string" },{ "na
我有一个像这样的avro架构,其中我将is_userid_present decalred为boolean,我想将默认值设为false,因此我提出了以下avro架构.
{ "type":"record","name":"hello","fields":[ { "name":"u","type":[ "string","null" ] },{ "name":"p","type":"string" },{ "name":"bu","type":"boolean" },{ "name":"is_userid_present","type":"boolean","default":"false" } ] } 但是从Avro代码中,我看到了这条警告信息 – [WARNING] Avro: Invalid default for field is_userid_present: "false" not a "boolean" 我不确定我在这里做错了什么?如果我有这样的avro架构,那么编写和读取数据会有什么问题吗? 解决方法
根据
Avro Docs,如果你指定一个默认的布尔值,你不能像你拥有它那样做一个字符串.
试试这个… { "name": "is_userid_present","type": "boolean","default": false } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |